./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:05:10,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:05:10,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:05:10,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:05:10,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:05:10,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:05:10,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:05:10,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:05:10,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:05:10,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:05:10,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:05:10,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:05:10,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:05:10,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:05:10,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:05:10,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:05:10,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:05:10,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:05:10,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:05:10,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:05:10,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:05:10,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:05:10,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:05:10,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:05:10,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:05:10,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:05:10,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:05:10,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:05:10,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:05:10,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:05:10,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:05:10,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:05:10,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:05:10,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:05:10,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:05:10,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:05:10,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:05:10,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:05:10,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:05:10,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:05:10,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:05:10,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:05:11,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:05:11,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:05:11,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:05:11,009 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:05:11,010 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:05:11,010 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:05:11,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:05:11,010 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:05:11,011 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:05:11,011 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:05:11,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:05:11,013 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:05:11,013 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:05:11,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:05:11,013 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:05:11,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:05:11,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:05:11,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:05:11,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:05:11,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:05:11,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:05:11,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:05:11,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:05:11,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:05:11,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:05:11,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:05:11,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:05:11,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:05:11,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:05:11,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:05:11,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:05:11,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:05:11,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:05:11,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:05:11,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:05:11,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:05:11,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:05:11,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:05:11,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:05:11,021 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 [2021-11-07 01:05:11,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:05:11,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:05:11,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:05:11,436 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:05:11,437 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:05:11,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-11-07 01:05:11,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/a0235c432/eddfc629b2784f688db60751cc50a505/FLAG2d46ccb2a [2021-11-07 01:05:12,098 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:05:12,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-11-07 01:05:12,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/a0235c432/eddfc629b2784f688db60751cc50a505/FLAG2d46ccb2a [2021-11-07 01:05:12,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/a0235c432/eddfc629b2784f688db60751cc50a505 [2021-11-07 01:05:12,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:05:12,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:05:12,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:12,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:05:12,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:05:12,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:12" (1/1) ... [2021-11-07 01:05:12,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cf2e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:12, skipping insertion in model container [2021-11-07 01:05:12,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:12" (1/1) ... [2021-11-07 01:05:12,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:05:12,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:05:12,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2021-11-07 01:05:12,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:12,808 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) [2021-11-07 01:05:12,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75815d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:12, skipping insertion in model container [2021-11-07 01:05:12,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:12,809 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:05:12,812 INFO L168 Benchmark]: Toolchain (without parser) took 430.28 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 75.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:12,812 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 58.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:05:12,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.38 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 75.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:12,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 58.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.38 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 75.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 518]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:05:15,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:05:15,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:05:15,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:05:15,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:05:15,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:05:15,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:05:15,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:05:15,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:05:15,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:05:15,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:05:15,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:05:15,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:05:15,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:05:15,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:05:15,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:05:15,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:05:15,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:05:15,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:05:15,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:05:15,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:05:15,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:05:15,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:05:15,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:05:15,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:05:15,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:05:15,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:05:15,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:05:15,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:05:15,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:05:15,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:05:15,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:05:15,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:05:15,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:05:15,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:05:15,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:05:15,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:05:15,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:05:15,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:05:15,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:05:15,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:05:15,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:05:15,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:05:15,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:05:15,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:05:15,675 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:05:15,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:05:15,675 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:05:15,675 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:05:15,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:05:15,676 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:05:15,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:05:15,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:05:15,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:05:15,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:05:15,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:05:15,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:05:15,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:05:15,678 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:05:15,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:05:15,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:05:15,679 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:05:15,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:05:15,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:05:15,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:05:15,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:05:15,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:05:15,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:05:15,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:05:15,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:05:15,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:05:15,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:05:15,686 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:05:15,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:05:15,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:05:15,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:05:15,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:05:15,688 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2232848f38516f4fb4022953e113fa5008bf5804c5e85e87585cfa28da0689 [2021-11-07 01:05:16,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:05:16,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:05:16,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:05:16,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:05:16,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:05:16,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-11-07 01:05:16,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/319c42b74/bf80d9f698504e559174d8b7bef38756/FLAG987680d61 [2021-11-07 01:05:16,960 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:05:16,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-11-07 01:05:16,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/319c42b74/bf80d9f698504e559174d8b7bef38756/FLAG987680d61 [2021-11-07 01:05:17,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/data/319c42b74/bf80d9f698504e559174d8b7bef38756 [2021-11-07 01:05:17,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:05:17,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:05:17,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:17,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:05:17,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:05:17,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:17" (1/1) ... [2021-11-07 01:05:17,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65acd6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:17, skipping insertion in model container [2021-11-07 01:05:17,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:05:17" (1/1) ... [2021-11-07 01:05:17,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:05:17,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:05:17,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2021-11-07 01:05:17,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:17,793 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:05:17,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:05:17,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2021-11-07 01:05:17,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:17,931 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:05:18,022 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18533,18546] [2021-11-07 01:05:18,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:05:18,070 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:05:18,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18 WrapperNode [2021-11-07 01:05:18,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:05:18,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:05:18,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:05:18,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:05:18,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:05:18,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:05:18,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:05:18,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:05:18,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:05:18,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:05:18,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:05:18,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:05:18,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (1/1) ... [2021-11-07 01:05:18,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:05:18,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:05:18,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:05:18,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:05:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:05:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:05:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:05:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:05:21,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:05:21,377 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-11-07 01:05:21,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:05:21 BoogieIcfgContainer [2021-11-07 01:05:21,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:05:21,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:05:21,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:05:21,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:05:21,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:05:17" (1/3) ... [2021-11-07 01:05:21,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2366f3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:05:21, skipping insertion in model container [2021-11-07 01:05:21,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:05:18" (2/3) ... [2021-11-07 01:05:21,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2366f3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:05:21, skipping insertion in model container [2021-11-07 01:05:21,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:05:21" (3/3) ... [2021-11-07 01:05:21,393 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2021-11-07 01:05:21,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:05:21,400 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:05:21,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:05:21,481 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:05:21,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:05:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:05:21,531 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:21,532 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:05:21,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:21,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2021-11-07 01:05:21,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:21,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818122555] [2021-11-07 01:05:21,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:21,561 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:21,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:21,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:21,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:05:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:21,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:05:21,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:21,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:22,024 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:22,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818122555] [2021-11-07 01:05:22,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818122555] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:22,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:22,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:05:22,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971566128] [2021-11-07 01:05:22,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:05:22,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:22,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:05:22,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:05:22,061 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:22,134 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-11-07 01:05:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:05:22,136 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:05:22,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:22,156 INFO L225 Difference]: With dead ends: 372 [2021-11-07 01:05:22,156 INFO L226 Difference]: Without dead ends: 185 [2021-11-07 01:05:22,161 INFO L786 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 [2021-11-07 01:05:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-07 01:05:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-11-07 01:05:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-11-07 01:05:22,250 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-11-07 01:05:22,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:22,250 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-11-07 01:05:22,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-11-07 01:05:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:05:22,254 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:22,254 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:05:22,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:05:22,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:22,468 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:22,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2021-11-07 01:05:22,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:22,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458569839] [2021-11-07 01:05:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:22,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:22,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:22,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:22,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:05:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:22,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:05:22,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:22,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:22,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:22,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458569839] [2021-11-07 01:05:22,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458569839] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:22,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:22,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:05:22,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102470702] [2021-11-07 01:05:22,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:05:22,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:22,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:05:22,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:05:22,842 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:22,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:22,878 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-11-07 01:05:22,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:05:22,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:05:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:22,882 INFO L225 Difference]: With dead ends: 185 [2021-11-07 01:05:22,882 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:05:22,886 INFO L786 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 [2021-11-07 01:05:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:05:22,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:05:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-11-07 01:05:22,896 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-11-07 01:05:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:22,897 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-11-07 01:05:22,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-11-07 01:05:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:05:22,900 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:22,906 INFO L513 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] [2021-11-07 01:05:22,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:23,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:23,108 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:23,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:23,108 INFO L85 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2021-11-07 01:05:23,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:23,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867639815] [2021-11-07 01:05:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:23,110 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:23,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:23,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:23,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:05:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:23,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:05:23,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:23,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:23,537 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:23,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867639815] [2021-11-07 01:05:23,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867639815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:23,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:23,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:05:23,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43253963] [2021-11-07 01:05:23,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:05:23,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:23,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:05:23,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:05:23,543 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:23,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:23,589 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-11-07 01:05:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:05:23,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:05:23,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:23,591 INFO L225 Difference]: With dead ends: 136 [2021-11-07 01:05:23,592 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:05:23,592 INFO L786 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 [2021-11-07 01:05:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:05:23,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:05:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-11-07 01:05:23,604 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-11-07 01:05:23,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:23,605 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-11-07 01:05:23,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-11-07 01:05:23,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:05:23,610 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:23,610 INFO L513 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] [2021-11-07 01:05:23,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:23,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:23,827 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:23,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:23,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2021-11-07 01:05:23,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:23,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636378918] [2021-11-07 01:05:23,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:23,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:23,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:23,833 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:05:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:24,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:05:24,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:24,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:24,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:24,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636378918] [2021-11-07 01:05:24,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636378918] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:24,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:24,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:05:24,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974415823] [2021-11-07 01:05:24,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:05:24,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:24,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:05:24,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:05:24,225 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:24,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:24,292 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-11-07 01:05:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:05:24,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:05:24,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:24,293 INFO L225 Difference]: With dead ends: 145 [2021-11-07 01:05:24,294 INFO L226 Difference]: Without dead ends: 80 [2021-11-07 01:05:24,294 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:05:24,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-07 01:05:24,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-11-07 01:05:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-11-07 01:05:24,302 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-11-07 01:05:24,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:24,302 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-11-07 01:05:24,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-11-07 01:05:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:05:24,304 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:24,304 INFO L513 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] [2021-11-07 01:05:24,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:24,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:24,517 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:24,517 INFO L85 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2021-11-07 01:05:24,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:24,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875239537] [2021-11-07 01:05:24,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:24,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:24,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:24,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:24,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:05:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:24,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:05:24,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:24,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:24,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:24,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875239537] [2021-11-07 01:05:24,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875239537] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:24,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:24,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:05:24,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67031941] [2021-11-07 01:05:24,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:05:24,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:24,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:05:24,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:05:24,990 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:25,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:25,092 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-11-07 01:05:25,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:05:25,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:05:25,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:25,094 INFO L225 Difference]: With dead ends: 204 [2021-11-07 01:05:25,094 INFO L226 Difference]: Without dead ends: 132 [2021-11-07 01:05:25,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:05:25,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-07 01:05:25,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-11-07 01:05:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-11-07 01:05:25,107 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-11-07 01:05:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:25,107 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-11-07 01:05:25,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-11-07 01:05:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:05:25,109 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:25,109 INFO L513 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] [2021-11-07 01:05:25,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:25,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:25,335 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2021-11-07 01:05:25,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:25,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967065504] [2021-11-07 01:05:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:25,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:25,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:25,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:25,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:05:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:25,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:05:25,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:25,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:05:25,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:25,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967065504] [2021-11-07 01:05:25,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967065504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:25,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:25,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:05:25,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801432875] [2021-11-07 01:05:25,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:05:25,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:05:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:05:25,981 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:26,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:26,413 INFO L93 Difference]: Finished difference Result 673 states and 940 transitions. [2021-11-07 01:05:26,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:05:26,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:05:26,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:26,419 INFO L225 Difference]: With dead ends: 673 [2021-11-07 01:05:26,419 INFO L226 Difference]: Without dead ends: 592 [2021-11-07 01:05:26,420 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:05:26,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-11-07 01:05:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-11-07 01:05:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-11-07 01:05:26,452 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2021-11-07 01:05:26,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:26,453 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-11-07 01:05:26,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-11-07 01:05:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:05:26,456 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:26,456 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-07 01:05:26,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:26,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:26,672 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:26,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:26,672 INFO L85 PathProgramCache]: Analyzing trace with hash -165583408, now seen corresponding path program 1 times [2021-11-07 01:05:26,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:26,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227654360] [2021-11-07 01:05:26,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:26,674 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:26,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:26,675 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:26,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:05:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:27,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:05:27,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:05:27,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:05:27,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:27,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227654360] [2021-11-07 01:05:27,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227654360] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:27,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:27,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:05:27,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645460730] [2021-11-07 01:05:27,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:05:27,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:27,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:05:27,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:05:27,332 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:27,423 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2021-11-07 01:05:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:05:27,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 01:05:27,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:27,426 INFO L225 Difference]: With dead ends: 476 [2021-11-07 01:05:27,427 INFO L226 Difference]: Without dead ends: 278 [2021-11-07 01:05:27,427 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:05:27,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-11-07 01:05:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2021-11-07 01:05:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 181 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2021-11-07 01:05:27,451 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2021-11-07 01:05:27,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:27,451 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2021-11-07 01:05:27,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2021-11-07 01:05:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:05:27,454 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:27,454 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-07 01:05:27,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:27,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:27,673 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:27,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:27,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2021-11-07 01:05:27,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:27,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325851346] [2021-11-07 01:05:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:27,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:27,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:27,676 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:27,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:05:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:27,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:05:27,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:05:28,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:05:28,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:28,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325851346] [2021-11-07 01:05:28,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325851346] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:28,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:28,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:05:28,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333182491] [2021-11-07 01:05:28,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:05:28,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:28,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:05:28,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:05:28,418 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:28,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:28,629 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2021-11-07 01:05:28,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:05:28,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 01:05:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:28,634 INFO L225 Difference]: With dead ends: 872 [2021-11-07 01:05:28,634 INFO L226 Difference]: Without dead ends: 696 [2021-11-07 01:05:28,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:05:28,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-11-07 01:05:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2021-11-07 01:05:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3126760563380282) internal successors, (466), 355 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2021-11-07 01:05:28,678 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2021-11-07 01:05:28,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:28,679 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2021-11-07 01:05:28,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2021-11-07 01:05:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:05:28,680 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:28,681 INFO L513 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] [2021-11-07 01:05:28,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:28,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:28,894 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:28,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:28,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2021-11-07 01:05:28,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:28,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786546508] [2021-11-07 01:05:28,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:28,895 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:28,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:28,896 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:28,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:05:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:29,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:05:29,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:29,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:29,788 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:29,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786546508] [2021-11-07 01:05:29,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786546508] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:05:29,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1732252572] [2021-11-07 01:05:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:29,788 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:05:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:05:29,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:05:29,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:05:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:30,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:05:30,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:05:30,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:05:30,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1732252572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:30,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:05:30,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-11-07 01:05:30,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454003117] [2021-11-07 01:05:30,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:05:30,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:30,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:05:30,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:05:30,469 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:30,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:30,811 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2021-11-07 01:05:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:05:30,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 01:05:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:30,819 INFO L225 Difference]: With dead ends: 962 [2021-11-07 01:05:30,820 INFO L226 Difference]: Without dead ends: 960 [2021-11-07 01:05:30,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:05:30,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-11-07 01:05:30,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2021-11-07 01:05:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3070422535211268) internal successors, (464), 355 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2021-11-07 01:05:30,872 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2021-11-07 01:05:30,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:30,873 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2021-11-07 01:05:30,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2021-11-07 01:05:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:05:30,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:30,875 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-07 01:05:30,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:31,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:31,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:05:31,288 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:31,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2021-11-07 01:05:31,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:31,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988126216] [2021-11-07 01:05:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:31,290 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:31,291 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:31,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:05:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:31,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:05:31,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:31,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:32,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:32,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988126216] [2021-11-07 01:05:32,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988126216] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:05:32,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [991642357] [2021-11-07 01:05:32,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:32,216 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:05:32,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:05:32,220 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:05:32,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:05:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:32,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:05:32,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:33,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:33,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [991642357] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:05:33,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978111099] [2021-11-07 01:05:33,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:33,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:05:33,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:05:33,317 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:05:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:05:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:33,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:05:33,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:34,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:05:34,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978111099] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:05:34,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:05:34,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-11-07 01:05:34,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101171742] [2021-11-07 01:05:34,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:05:34,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:34,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:05:34,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:05:34,258 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:41,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:41,053 INFO L93 Difference]: Finished difference Result 4555 states and 5988 transitions. [2021-11-07 01:05:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-07 01:05:41,054 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 01:05:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:41,089 INFO L225 Difference]: With dead ends: 4555 [2021-11-07 01:05:41,089 INFO L226 Difference]: Without dead ends: 4255 [2021-11-07 01:05:41,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-11-07 01:05:41,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2021-11-07 01:05:41,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 640. [2021-11-07 01:05:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 639 states have (on average 1.3176838810641627) internal successors, (842), 639 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 842 transitions. [2021-11-07 01:05:41,287 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 842 transitions. Word has length 57 [2021-11-07 01:05:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:41,288 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 842 transitions. [2021-11-07 01:05:41,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 842 transitions. [2021-11-07 01:05:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 01:05:41,290 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:05:41,290 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2021-11-07 01:05:41,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:41,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-11-07 01:05:41,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:41,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:05:41,907 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:05:41,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:05:41,907 INFO L85 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2021-11-07 01:05:41,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:05:41,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037764060] [2021-11-07 01:05:41,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:05:41,908 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:05:41,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:05:41,909 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:05:41,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:05:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:05:42,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:05:42,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:05:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:05:42,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:05:42,773 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:05:42,774 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:05:42,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037764060] [2021-11-07 01:05:42,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037764060] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:05:42,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:05:42,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:05:42,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762977232] [2021-11-07 01:05:42,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:05:42,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:05:42,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:05:42,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:05:42,776 INFO L87 Difference]: Start difference. First operand 640 states and 842 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:42,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:05:42,917 INFO L93 Difference]: Finished difference Result 1030 states and 1326 transitions. [2021-11-07 01:05:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:05:42,918 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-07 01:05:42,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:05:42,918 INFO L225 Difference]: With dead ends: 1030 [2021-11-07 01:05:42,919 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:05:42,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:05:42,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:05:42,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:05:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:05:42,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-11-07 01:05:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:05:42,922 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:05:42,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:05:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:05:42,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:05:42,926 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:05:42,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:05:42,927 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:05:42,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:05:43,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:05:43,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:05:43,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:43,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:44,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:45,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:46,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:05:56,690 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-11-07 01:05:56,690 INFO L853 garLoopResultBuilder]: At program point L267(lines 260 270) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:05:56,690 INFO L853 garLoopResultBuilder]: At program point L267-1(lines 260 270) the Hoare annotation is: false [2021-11-07 01:05:56,691 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2021-11-07 01:05:56,691 INFO L853 garLoopResultBuilder]: At program point L267-2(lines 260 270) the Hoare annotation is: false [2021-11-07 01:05:56,691 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 201 209) no Hoare annotation was computed. [2021-11-07 01:05:56,691 INFO L857 garLoopResultBuilder]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2021-11-07 01:05:56,691 INFO L857 garLoopResultBuilder]: For program point L201-3(lines 201 209) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L857 garLoopResultBuilder]: For program point L201-4(lines 201 209) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L857 garLoopResultBuilder]: For program point L201-5(lines 201 209) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L857 garLoopResultBuilder]: For program point L862-3(lines 862 866) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L857 garLoopResultBuilder]: For program point L862-6(lines 862 866) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-11-07 01:05:56,692 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 139 145) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse5) (and .cse0 .cse4 .cse1 .cse5 .cse3))) [2021-11-07 01:05:56,693 INFO L857 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2021-11-07 01:05:56,694 INFO L857 garLoopResultBuilder]: For program point L963-1(line 963) no Hoare annotation was computed. [2021-11-07 01:05:56,694 INFO L857 garLoopResultBuilder]: For program point L963-2(line 963) no Hoare annotation was computed. [2021-11-07 01:05:56,694 INFO L853 garLoopResultBuilder]: At program point L402-2(lines 402 416) the Hoare annotation is: false [2021-11-07 01:05:56,694 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,694 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,695 INFO L857 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,695 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,695 INFO L857 garLoopResultBuilder]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,695 INFO L857 garLoopResultBuilder]: For program point L171-5(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,695 INFO L857 garLoopResultBuilder]: For program point L171-6(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,695 INFO L857 garLoopResultBuilder]: For program point L171-7(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,696 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 01:05:56,696 INFO L857 garLoopResultBuilder]: For program point L171-8(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,696 INFO L853 garLoopResultBuilder]: At program point L931-1(lines 926 934) the Hoare annotation is: false [2021-11-07 01:05:56,696 INFO L857 garLoopResultBuilder]: For program point L171-9(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,696 INFO L857 garLoopResultBuilder]: For program point L171-10(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,697 INFO L853 garLoopResultBuilder]: At program point L931-2(lines 926 934) the Hoare annotation is: false [2021-11-07 01:05:56,697 INFO L857 garLoopResultBuilder]: For program point L171-11(lines 171 188) no Hoare annotation was computed. [2021-11-07 01:05:56,697 INFO L857 garLoopResultBuilder]: For program point L403(line 403) no Hoare annotation was computed. [2021-11-07 01:05:56,697 INFO L853 garLoopResultBuilder]: At program point L139(lines 138 157) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse3 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse3))) [2021-11-07 01:05:56,697 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2021-11-07 01:05:56,697 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2021-11-07 01:05:56,698 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2021-11-07 01:05:56,698 INFO L853 garLoopResultBuilder]: At program point L998(lines 993 1001) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:05:56,698 INFO L853 garLoopResultBuilder]: At program point L899(lines 894 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:05:56,698 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 894 902) the Hoare annotation is: false [2021-11-07 01:05:56,698 INFO L853 garLoopResultBuilder]: At program point L899-2(lines 894 902) the Hoare annotation is: false [2021-11-07 01:05:56,699 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:05:56,699 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse5) (and .cse0 .cse4 .cse6 .cse1 .cse5 .cse3) (and .cse0 .cse6 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3))) [2021-11-07 01:05:56,699 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-11-07 01:05:56,699 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2021-11-07 01:05:56,700 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 386) no Hoare annotation was computed. [2021-11-07 01:05:56,700 INFO L857 garLoopResultBuilder]: For program point L406-1(lines 139 145) no Hoare annotation was computed. [2021-11-07 01:05:56,700 INFO L853 garLoopResultBuilder]: At program point L373-1(lines 1 1001) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3))) [2021-11-07 01:05:56,700 INFO L857 garLoopResultBuilder]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2021-11-07 01:05:56,700 INFO L853 garLoopResultBuilder]: At program point L373-3(lines 1 1001) the Hoare annotation is: false [2021-11-07 01:05:56,701 INFO L857 garLoopResultBuilder]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2021-11-07 01:05:56,701 INFO L853 garLoopResultBuilder]: At program point L373-5(lines 1 1001) the Hoare annotation is: false [2021-11-07 01:05:56,701 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,701 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,701 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,702 INFO L857 garLoopResultBuilder]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,702 INFO L857 garLoopResultBuilder]: For program point L175-4(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,702 INFO L857 garLoopResultBuilder]: For program point L175-5(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,702 INFO L857 garLoopResultBuilder]: For program point L175-6(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,702 INFO L857 garLoopResultBuilder]: For program point L175-7(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,703 INFO L857 garLoopResultBuilder]: For program point L175-8(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,703 INFO L857 garLoopResultBuilder]: For program point L175-9(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,703 INFO L857 garLoopResultBuilder]: For program point L175-10(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,703 INFO L857 garLoopResultBuilder]: For program point L175-11(lines 175 183) no Hoare annotation was computed. [2021-11-07 01:05:56,703 INFO L853 garLoopResultBuilder]: At program point L276(lines 271 279) the Hoare annotation is: false [2021-11-07 01:05:56,703 INFO L853 garLoopResultBuilder]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2021-11-07 01:05:56,704 INFO L853 garLoopResultBuilder]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2021-11-07 01:05:56,704 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 483) no Hoare annotation was computed. [2021-11-07 01:05:56,704 INFO L860 garLoopResultBuilder]: At program point L476-1(lines 476 483) the Hoare annotation is: true [2021-11-07 01:05:56,704 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 383) no Hoare annotation was computed. [2021-11-07 01:05:56,704 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,705 INFO L857 garLoopResultBuilder]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2021-11-07 01:05:56,705 INFO L857 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,705 INFO L857 garLoopResultBuilder]: For program point L344-3(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,705 INFO L857 garLoopResultBuilder]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2021-11-07 01:05:56,705 INFO L857 garLoopResultBuilder]: For program point L344-5(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,706 INFO L853 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse2 .cse3))) [2021-11-07 01:05:56,706 INFO L857 garLoopResultBuilder]: For program point L344-6(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,706 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-11-07 01:05:56,706 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2021-11-07 01:05:56,706 INFO L857 garLoopResultBuilder]: For program point L344-8(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,707 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2021-11-07 01:05:56,707 INFO L857 garLoopResultBuilder]: For program point L344-9(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,707 INFO L857 garLoopResultBuilder]: For program point L344-11(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,707 INFO L857 garLoopResultBuilder]: For program point L344-12(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,707 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,708 INFO L857 garLoopResultBuilder]: For program point L939-1(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,708 INFO L857 garLoopResultBuilder]: For program point L344-14(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,708 INFO L857 garLoopResultBuilder]: For program point L939-2(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,708 INFO L857 garLoopResultBuilder]: For program point L344-15(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,708 INFO L857 garLoopResultBuilder]: For program point L939-3(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,708 INFO L857 garLoopResultBuilder]: For program point L939-4(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,709 INFO L857 garLoopResultBuilder]: For program point L344-17(lines 344 348) no Hoare annotation was computed. [2021-11-07 01:05:56,709 INFO L857 garLoopResultBuilder]: For program point L939-5(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,709 INFO L857 garLoopResultBuilder]: For program point L939-6(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,709 INFO L857 garLoopResultBuilder]: For program point L939-7(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,709 INFO L857 garLoopResultBuilder]: For program point L939-8(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,710 INFO L857 garLoopResultBuilder]: For program point L939-9(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,710 INFO L857 garLoopResultBuilder]: For program point L939-10(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,710 INFO L857 garLoopResultBuilder]: For program point L939-11(lines 939 945) no Hoare annotation was computed. [2021-11-07 01:05:56,710 INFO L857 garLoopResultBuilder]: For program point L874(lines 874 878) no Hoare annotation was computed. [2021-11-07 01:05:56,710 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-07 01:05:56,711 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse5) (and .cse0 .cse4 .cse1 .cse5 .cse3))) [2021-11-07 01:05:56,711 INFO L853 garLoopResultBuilder]: At program point L944(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,711 INFO L853 garLoopResultBuilder]: At program point L944-1(lines 935 948) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:05:56,711 INFO L853 garLoopResultBuilder]: At program point L944-2(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,712 INFO L853 garLoopResultBuilder]: At program point L944-3(lines 935 948) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse4 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse4 .cse2))) [2021-11-07 01:05:56,712 INFO L853 garLoopResultBuilder]: At program point L944-4(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,712 INFO L853 garLoopResultBuilder]: At program point L944-5(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,712 INFO L853 garLoopResultBuilder]: At program point L944-6(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,712 INFO L853 garLoopResultBuilder]: At program point L944-7(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,713 INFO L853 garLoopResultBuilder]: At program point L944-8(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,713 INFO L853 garLoopResultBuilder]: At program point L944-9(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,713 INFO L853 garLoopResultBuilder]: At program point L944-10(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,713 INFO L853 garLoopResultBuilder]: At program point L944-11(lines 935 948) the Hoare annotation is: false [2021-11-07 01:05:56,713 INFO L853 garLoopResultBuilder]: At program point L350(lines 335 353) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-11-07 01:05:56,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:05:56,714 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 335 353) the Hoare annotation is: false [2021-11-07 01:05:56,714 INFO L853 garLoopResultBuilder]: At program point L350-2(lines 335 353) the Hoare annotation is: false [2021-11-07 01:05:56,714 INFO L853 garLoopResultBuilder]: At program point L350-3(lines 335 353) the Hoare annotation is: false [2021-11-07 01:05:56,714 INFO L853 garLoopResultBuilder]: At program point L350-4(lines 335 353) the Hoare annotation is: false [2021-11-07 01:05:56,715 INFO L853 garLoopResultBuilder]: At program point L350-5(lines 335 353) the Hoare annotation is: false [2021-11-07 01:05:56,715 INFO L853 garLoopResultBuilder]: At program point L450(lines 446 452) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:05:56,715 INFO L860 garLoopResultBuilder]: At program point L485(lines 466 488) the Hoare annotation is: true [2021-11-07 01:05:56,715 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:05:56,715 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2021-11-07 01:05:56,716 INFO L857 garLoopResultBuilder]: For program point L223-1(lines 223 240) no Hoare annotation was computed. [2021-11-07 01:05:56,716 INFO L857 garLoopResultBuilder]: For program point L223-2(lines 223 240) no Hoare annotation was computed. [2021-11-07 01:05:56,716 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 890) no Hoare annotation was computed. [2021-11-07 01:05:56,716 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,716 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,716 INFO L857 garLoopResultBuilder]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,717 INFO L857 garLoopResultBuilder]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,717 INFO L857 garLoopResultBuilder]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,717 INFO L857 garLoopResultBuilder]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,717 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:05:56,717 INFO L857 garLoopResultBuilder]: For program point L325-9(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,717 INFO L857 garLoopResultBuilder]: For program point L325-11(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,718 INFO L857 garLoopResultBuilder]: For program point L325-12(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,718 INFO L857 garLoopResultBuilder]: For program point L325-14(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,718 INFO L857 garLoopResultBuilder]: For program point L325-15(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,718 INFO L857 garLoopResultBuilder]: For program point L325-17(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,718 INFO L857 garLoopResultBuilder]: For program point L325-18(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,718 INFO L857 garLoopResultBuilder]: For program point L325-20(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,719 INFO L857 garLoopResultBuilder]: For program point L325-21(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,719 INFO L857 garLoopResultBuilder]: For program point L325-23(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,719 INFO L857 garLoopResultBuilder]: For program point L325-24(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,719 INFO L857 garLoopResultBuilder]: For program point L325-26(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,719 INFO L857 garLoopResultBuilder]: For program point L325-27(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,719 INFO L857 garLoopResultBuilder]: For program point L325-29(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,720 INFO L857 garLoopResultBuilder]: For program point L325-30(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,720 INFO L857 garLoopResultBuilder]: For program point L325-32(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,720 INFO L857 garLoopResultBuilder]: For program point L325-33(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,720 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2021-11-07 01:05:56,720 INFO L857 garLoopResultBuilder]: For program point L227-1(lines 227 235) no Hoare annotation was computed. [2021-11-07 01:05:56,720 INFO L857 garLoopResultBuilder]: For program point L325-35(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:05:56,721 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 235) no Hoare annotation was computed. [2021-11-07 01:05:56,721 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-11-07 01:05:56,721 INFO L853 garLoopResultBuilder]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:05:56,721 INFO L853 garLoopResultBuilder]: At program point L954-1(lines 949 957) the Hoare annotation is: false [2021-11-07 01:05:56,721 INFO L853 garLoopResultBuilder]: At program point L954-2(lines 949 957) the Hoare annotation is: false [2021-11-07 01:05:56,722 INFO L853 garLoopResultBuilder]: At program point L954-3(lines 949 957) the Hoare annotation is: false [2021-11-07 01:05:56,722 INFO L853 garLoopResultBuilder]: At program point L954-4(lines 949 957) the Hoare annotation is: false [2021-11-07 01:05:56,722 INFO L853 garLoopResultBuilder]: At program point L954-5(lines 949 957) the Hoare annotation is: false [2021-11-07 01:05:56,722 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2021-11-07 01:05:56,722 INFO L857 garLoopResultBuilder]: For program point L197-1(lines 197 214) no Hoare annotation was computed. [2021-11-07 01:05:56,723 INFO L857 garLoopResultBuilder]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2021-11-07 01:05:56,723 INFO L857 garLoopResultBuilder]: For program point L197-3(lines 197 214) no Hoare annotation was computed. [2021-11-07 01:05:56,723 INFO L857 garLoopResultBuilder]: For program point L197-4(lines 197 214) no Hoare annotation was computed. [2021-11-07 01:05:56,723 INFO L857 garLoopResultBuilder]: For program point L197-5(lines 197 214) no Hoare annotation was computed. [2021-11-07 01:05:56,723 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:05:56,723 INFO L853 garLoopResultBuilder]: At program point L990(lines 1 1001) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:05:56,724 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-11-07 01:05:56,724 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-11-07 01:05:56,724 INFO L853 garLoopResultBuilder]: At program point L331(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,724 INFO L853 garLoopResultBuilder]: At program point L331-1(lines 316 334) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:05:56,724 INFO L853 garLoopResultBuilder]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,725 INFO L853 garLoopResultBuilder]: At program point L331-3(lines 316 334) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse4 .cse1 .cse5 .cse6 .cse7 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse4 .cse1 .cse5 .cse6 .cse7 .cse2))) [2021-11-07 01:05:56,725 INFO L853 garLoopResultBuilder]: At program point L331-4(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,725 INFO L853 garLoopResultBuilder]: At program point L331-5(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,725 INFO L853 garLoopResultBuilder]: At program point L331-6(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,725 INFO L853 garLoopResultBuilder]: At program point L331-7(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,726 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-11-07 01:05:56,726 INFO L853 garLoopResultBuilder]: At program point L331-8(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,726 INFO L853 garLoopResultBuilder]: At program point L331-9(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,726 INFO L853 garLoopResultBuilder]: At program point L331-10(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,726 INFO L853 garLoopResultBuilder]: At program point L331-11(lines 316 334) the Hoare annotation is: false [2021-11-07 01:05:56,730 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:05:56,732 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:05:56,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:05:56 BoogieIcfgContainer [2021-11-07 01:05:56,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:05:56,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:05:56,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:05:56,762 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:05:56,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:05:21" (3/4) ... [2021-11-07 01:05:56,766 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:05:56,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:05:56,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:05:56,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:05:56,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:05:56,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:05:56,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:05:56,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:05:56,840 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:05:56,840 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:05:56,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,842 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) [2021-11-07 01:05:56,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-11-07 01:05:56,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-11-07 01:05:56,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:05:56,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32 [2021-11-07 01:05:56,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:05:56,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-11-07 01:05:56,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:05:56,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:05:56,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:05:56,970 INFO L168 Benchmark]: Toolchain (without parser) took 39783.91 ms. Allocated memory was 73.4 MB in the beginning and 262.1 MB in the end (delta: 188.7 MB). Free memory was 50.2 MB in the beginning and 89.2 MB in the end (delta: -39.0 MB). Peak memory consumption was 149.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,970 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:05:56,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.89 ms. Allocated memory is still 73.4 MB. Free memory was 50.0 MB in the beginning and 41.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.94 ms. Allocated memory is still 73.4 MB. Free memory was 41.3 MB in the beginning and 36.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,972 INFO L168 Benchmark]: Boogie Preprocessor took 70.08 ms. Allocated memory is still 73.4 MB. Free memory was 36.6 MB in the beginning and 32.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,972 INFO L168 Benchmark]: RCFGBuilder took 3130.14 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 32.9 MB in the beginning and 68.4 MB in the end (delta: -35.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,973 INFO L168 Benchmark]: TraceAbstraction took 35375.66 ms. Allocated memory was 102.8 MB in the beginning and 262.1 MB in the end (delta: 159.4 MB). Free memory was 67.8 MB in the beginning and 103.9 MB in the end (delta: -36.1 MB). Peak memory consumption was 141.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,973 INFO L168 Benchmark]: Witness Printer took 206.49 ms. Allocated memory is still 262.1 MB. Free memory was 103.9 MB in the beginning and 89.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:05:56,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 882.89 ms. Allocated memory is still 73.4 MB. Free memory was 50.0 MB in the beginning and 41.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.94 ms. Allocated memory is still 73.4 MB. Free memory was 41.3 MB in the beginning and 36.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.08 ms. Allocated memory is still 73.4 MB. Free memory was 36.6 MB in the beginning and 32.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3130.14 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 32.9 MB in the beginning and 68.4 MB in the end (delta: -35.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35375.66 ms. Allocated memory was 102.8 MB in the beginning and 262.1 MB in the end (delta: 159.4 MB). Free memory was 67.8 MB in the beginning and 103.9 MB in the end (delta: -36.1 MB). Peak memory consumption was 141.4 MB. Max. memory is 16.1 GB. * Witness Printer took 206.49 ms. Allocated memory is still 262.1 MB. Free memory was 103.9 MB in the beginning and 89.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35.2s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1642 SDtfs, 5198 SDslu, 4430 SDs, 0 SdLazy, 860 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1260 GetRequests, 1122 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2301 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=10, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5090 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 215 NumberOfFragments, 803 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1426532 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 340961 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 2559 SizeOfPredicates, 36 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 236/302 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 993]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:05:57,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c86130d-679b-4c71-b3bc-0f2d6ec8b157/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE