./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 426d9f957077f660214567f7d0d5aaa1a30c29c0 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 426d9f957077f660214567f7d0d5aaa1a30c29c0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:43:15,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:43:15,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:43:15,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:43:15,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:43:15,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:43:15,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:43:15,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:43:15,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:43:15,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:43:15,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:43:15,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:43:15,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:43:15,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:43:15,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:43:15,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:43:15,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:43:15,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:43:15,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:43:15,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:43:15,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:43:15,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:43:15,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:43:15,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:43:15,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:43:15,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:43:15,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:43:15,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:43:15,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:43:15,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:43:15,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:43:15,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:43:15,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:43:15,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:43:15,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:43:15,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:43:15,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:43:15,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:43:15,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:43:15,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:43:15,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:43:15,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:43:15,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:43:15,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:43:15,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:43:15,524 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:43:15,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:43:15,524 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:43:15,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:43:15,524 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:43:15,524 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:43:15,524 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:43:15,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:43:15,525 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:43:15,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:43:15,525 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:43:15,525 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:43:15,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:43:15,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:43:15,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:43:15,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:43:15,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:43:15,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:43:15,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:43:15,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:43:15,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:43:15,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:43:15,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:43:15,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:43:15,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:43:15,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:43:15,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:43:15,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:43:15,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:43:15,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:43:15,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:43:15,529 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2019-12-07 10:43:15,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:43:15,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:43:15,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:43:15,642 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:43:15,642 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:43:15,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-12-07 10:43:15,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/bda91249a/e4c1d9255b8746eea86dd69951b9e6be/FLAG8bce87959 [2019-12-07 10:43:16,125 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:43:16,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-12-07 10:43:16,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/bda91249a/e4c1d9255b8746eea86dd69951b9e6be/FLAG8bce87959 [2019-12-07 10:43:16,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/bda91249a/e4c1d9255b8746eea86dd69951b9e6be [2019-12-07 10:43:16,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:43:16,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:43:16,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:43:16,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:43:16,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:43:16,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:43:16" (1/1) ... [2019-12-07 10:43:16,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@881d7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:16, skipping insertion in model container [2019-12-07 10:43:16,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:43:16" (1/1) ... [2019-12-07 10:43:16,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:43:16,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:43:16,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:43:16,409 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:43:16,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@717ae005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:16, skipping insertion in model container [2019-12-07 10:43:16,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:43:16,410 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:43:16,412 INFO L168 Benchmark]: Toolchain (without parser) took 266.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:16,412 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:43:16,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:16,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:43:17,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:43:17,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:43:17,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:43:17,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:43:17,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:43:17,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:43:17,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:43:17,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:43:17,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:43:17,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:43:17,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:43:17,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:43:17,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:43:17,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:43:17,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:43:17,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:43:17,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:43:17,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:43:17,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:43:17,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:43:17,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:43:17,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:43:17,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:43:17,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:43:17,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:43:17,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:43:17,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:43:17,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:43:17,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:43:17,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:43:17,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:43:17,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:43:17,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:43:17,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:43:17,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:43:17,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:43:17,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:43:17,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:43:17,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:43:17,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:43:17,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:43:17,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:43:17,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:43:17,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:43:17,613 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:43:17,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:43:17,613 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:43:17,613 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:43:17,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:43:17,614 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:43:17,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:43:17,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:43:17,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:43:17,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:43:17,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:43:17,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:43:17,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:43:17,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:43:17,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:43:17,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:43:17,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:43:17,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:43:17,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:43:17,617 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 426d9f957077f660214567f7d0d5aaa1a30c29c0 [2019-12-07 10:43:17,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:43:17,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:43:17,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:43:17,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:43:17,804 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:43:17,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-12-07 10:43:17,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/b98c36439/b991ec8a6fdd457f839348a6d0256a7c/FLAG3136539b6 [2019-12-07 10:43:18,345 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:43:18,346 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2019-12-07 10:43:18,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/b98c36439/b991ec8a6fdd457f839348a6d0256a7c/FLAG3136539b6 [2019-12-07 10:43:18,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/data/b98c36439/b991ec8a6fdd457f839348a6d0256a7c [2019-12-07 10:43:18,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:43:18,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:43:18,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:43:18,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:43:18,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:43:18,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be30ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18, skipping insertion in model container [2019-12-07 10:43:18,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:43:18,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:43:18,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:43:18,624 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:43:18,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:43:18,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:43:18,676 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:43:18,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:43:18,739 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:43:18,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18 WrapperNode [2019-12-07 10:43:18,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:43:18,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:43:18,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:43:18,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:43:18,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:43:18,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:43:18,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:43:18,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:43:18,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... [2019-12-07 10:43:18,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:43:18,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:43:18,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:43:18,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:43:18,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:43:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:43:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:43:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:43:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:43:19,305 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:43:19,306 INFO L287 CfgBuilder]: Removed 114 assume(true) statements. [2019-12-07 10:43:19,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:43:19 BoogieIcfgContainer [2019-12-07 10:43:19,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:43:19,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:43:19,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:43:19,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:43:19,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:43:18" (1/3) ... [2019-12-07 10:43:19,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1cb758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:43:19, skipping insertion in model container [2019-12-07 10:43:19,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:43:18" (2/3) ... [2019-12-07 10:43:19,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1cb758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:43:19, skipping insertion in model container [2019-12-07 10:43:19,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:43:19" (3/3) ... [2019-12-07 10:43:19,312 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2019-12-07 10:43:19,319 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:43:19,324 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:43:19,332 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:43:19,349 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:43:19,349 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:43:19,349 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:43:19,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:43:19,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:43:19,350 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:43:19,350 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:43:19,350 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:43:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-12-07 10:43:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:43:19,366 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:19,366 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:19,367 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:19,371 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2019-12-07 10:43:19,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:19,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595205587] [2019-12-07 10:43:19,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:19,520 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:43:19,526 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:19,538 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:19,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595205587] [2019-12-07 10:43:19,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:19,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:43:19,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876689504] [2019-12-07 10:43:19,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:43:19,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:19,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:43:19,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:43:19,558 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-12-07 10:43:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:19,581 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-12-07 10:43:19,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:43:19,583 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 10:43:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:19,591 INFO L225 Difference]: With dead ends: 171 [2019-12-07 10:43:19,591 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 10:43:19,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:43:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 10:43:19,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 10:43:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 10:43:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-12-07 10:43:19,625 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-12-07 10:43:19,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:19,625 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-12-07 10:43:19,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:43:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-12-07 10:43:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 10:43:19,626 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:19,626 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:19,827 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:43:19,828 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:19,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:19,829 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2019-12-07 10:43:19,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:19,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986982968] [2019-12-07 10:43:19,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:19,990 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:43:19,991 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:20,008 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:20,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986982968] [2019-12-07 10:43:20,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:20,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:43:20,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167121517] [2019-12-07 10:43:20,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:43:20,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:20,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:43:20,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:43:20,021 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 4 states. [2019-12-07 10:43:20,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:20,035 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-12-07 10:43:20,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:43:20,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 10:43:20,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:20,036 INFO L225 Difference]: With dead ends: 85 [2019-12-07 10:43:20,036 INFO L226 Difference]: Without dead ends: 40 [2019-12-07 10:43:20,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:43:20,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-12-07 10:43:20,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-12-07 10:43:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 10:43:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-12-07 10:43:20,043 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-12-07 10:43:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:20,043 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-12-07 10:43:20,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:43:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-12-07 10:43:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:43:20,045 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:20,045 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:20,245 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:43:20,245 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:20,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:20,246 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2019-12-07 10:43:20,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:20,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935388132] [2019-12-07 10:43:20,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:20,345 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:43:20,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:20,355 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:20,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935388132] [2019-12-07 10:43:20,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:20,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:43:20,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717943069] [2019-12-07 10:43:20,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:43:20,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:20,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:43:20,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:43:20,365 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 4 states. [2019-12-07 10:43:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:20,386 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2019-12-07 10:43:20,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:43:20,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 10:43:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:20,387 INFO L225 Difference]: With dead ends: 132 [2019-12-07 10:43:20,388 INFO L226 Difference]: Without dead ends: 99 [2019-12-07 10:43:20,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:43:20,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-12-07 10:43:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2019-12-07 10:43:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-12-07 10:43:20,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2019-12-07 10:43:20,399 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2019-12-07 10:43:20,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:20,399 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2019-12-07 10:43:20,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:43:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-12-07 10:43:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 10:43:20,401 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:20,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:20,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:43:20,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:20,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2019-12-07 10:43:20,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:20,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521884621] [2019-12-07 10:43:20,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:20,746 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:43:20,747 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:20,754 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:20,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521884621] [2019-12-07 10:43:20,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:20,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:43:20,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957295026] [2019-12-07 10:43:20,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:43:20,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:43:20,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:43:20,759 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand 3 states. [2019-12-07 10:43:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:20,807 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2019-12-07 10:43:20,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:43:20,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 10:43:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:20,808 INFO L225 Difference]: With dead ends: 141 [2019-12-07 10:43:20,809 INFO L226 Difference]: Without dead ends: 86 [2019-12-07 10:43:20,809 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:43:20,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-12-07 10:43:20,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2019-12-07 10:43:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-12-07 10:43:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2019-12-07 10:43:20,819 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2019-12-07 10:43:20,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:20,819 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2019-12-07 10:43:20,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:43:20,819 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2019-12-07 10:43:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 10:43:20,821 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:20,821 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:21,021 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:43:21,022 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:21,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:21,022 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2019-12-07 10:43:21,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:21,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182960647] [2019-12-07 10:43:21,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:21,126 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:43:21,128 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:21,141 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:21,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182960647] [2019-12-07 10:43:21,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:21,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:43:21,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146016325] [2019-12-07 10:43:21,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:43:21,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:21,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:43:21,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:43:21,147 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 5 states. [2019-12-07 10:43:21,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:21,251 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2019-12-07 10:43:21,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:43:21,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 10:43:21,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:21,253 INFO L225 Difference]: With dead ends: 273 [2019-12-07 10:43:21,253 INFO L226 Difference]: Without dead ends: 196 [2019-12-07 10:43:21,254 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:43:21,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-12-07 10:43:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2019-12-07 10:43:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 10:43:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2019-12-07 10:43:21,264 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2019-12-07 10:43:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:21,264 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2019-12-07 10:43:21,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:43:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2019-12-07 10:43:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:43:21,265 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:21,266 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:21,466 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:43:21,467 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:21,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:21,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2019-12-07 10:43:21,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:21,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457746538] [2019-12-07 10:43:21,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:21,601 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:43:21,603 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:21,619 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:21,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457746538] [2019-12-07 10:43:21,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:21,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:43:21,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141909247] [2019-12-07 10:43:21,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:43:21,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:21,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:43:21,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:43:21,625 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand 5 states. [2019-12-07 10:43:21,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:21,671 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2019-12-07 10:43:21,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:43:21,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 10:43:21,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:21,672 INFO L225 Difference]: With dead ends: 240 [2019-12-07 10:43:21,672 INFO L226 Difference]: Without dead ends: 165 [2019-12-07 10:43:21,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:43:21,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-12-07 10:43:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2019-12-07 10:43:21,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 10:43:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2019-12-07 10:43:21,682 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2019-12-07 10:43:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:21,682 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2019-12-07 10:43:21,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:43:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2019-12-07 10:43:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:43:21,683 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:21,684 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:21,884 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:43:21,885 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:21,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2019-12-07 10:43:21,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:21,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176452100] [2019-12-07 10:43:21,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:22,153 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:43:22,155 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:22,163 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:22,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176452100] [2019-12-07 10:43:22,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:22,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 10:43:22,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588815464] [2019-12-07 10:43:22,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:43:22,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:22,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:43:22,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:43:22,175 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand 6 states. [2019-12-07 10:43:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:22,204 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2019-12-07 10:43:22,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:43:22,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 10:43:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:22,205 INFO L225 Difference]: With dead ends: 254 [2019-12-07 10:43:22,206 INFO L226 Difference]: Without dead ends: 176 [2019-12-07 10:43:22,206 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:43:22,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-12-07 10:43:22,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2019-12-07 10:43:22,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 10:43:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2019-12-07 10:43:22,215 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2019-12-07 10:43:22,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:22,215 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2019-12-07 10:43:22,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:43:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2019-12-07 10:43:22,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:43:22,216 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:22,216 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:22,416 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:43:22,417 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:22,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:22,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2019-12-07 10:43:22,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:22,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733623673] [2019-12-07 10:43:22,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:22,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:43:22,547 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:22,554 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:22,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733623673] [2019-12-07 10:43:22,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:22,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:43:22,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596371685] [2019-12-07 10:43:22,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:43:22,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:22,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:43:22,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:43:22,563 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand 4 states. [2019-12-07 10:43:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:22,598 INFO L93 Difference]: Finished difference Result 289 states and 393 transitions. [2019-12-07 10:43:22,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:43:22,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 10:43:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:22,600 INFO L225 Difference]: With dead ends: 289 [2019-12-07 10:43:22,600 INFO L226 Difference]: Without dead ends: 209 [2019-12-07 10:43:22,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:43:22,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-12-07 10:43:22,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 158. [2019-12-07 10:43:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 10:43:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2019-12-07 10:43:22,614 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 33 [2019-12-07 10:43:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:22,614 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2019-12-07 10:43:22,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:43:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2019-12-07 10:43:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:43:22,615 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:22,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:43:22,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:43:22,817 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:22,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2019-12-07 10:43:22,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:22,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15444461] [2019-12-07 10:43:22,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:22,986 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:43:22,987 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,006 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15444461] [2019-12-07 10:43:23,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:43:23,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:43:23,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829160176] [2019-12-07 10:43:23,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:43:23,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:23,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:43:23,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:43:23,011 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand 6 states. [2019-12-07 10:43:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:23,302 INFO L93 Difference]: Finished difference Result 782 states and 1069 transitions. [2019-12-07 10:43:23,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 10:43:23,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 10:43:23,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:23,305 INFO L225 Difference]: With dead ends: 782 [2019-12-07 10:43:23,305 INFO L226 Difference]: Without dead ends: 631 [2019-12-07 10:43:23,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:43:23,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-12-07 10:43:23,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 298. [2019-12-07 10:43:23,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-12-07 10:43:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 397 transitions. [2019-12-07 10:43:23,329 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 397 transitions. Word has length 34 [2019-12-07 10:43:23,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:23,330 INFO L462 AbstractCegarLoop]: Abstraction has 298 states and 397 transitions. [2019-12-07 10:43:23,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:43:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 397 transitions. [2019-12-07 10:43:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 10:43:23,330 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:23,330 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2019-12-07 10:43:23,531 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:43:23,532 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:23,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:23,533 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2019-12-07 10:43:23,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:23,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745521565] [2019-12-07 10:43:23,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:23,697 INFO L264 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:43:23,698 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,710 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745521565] [2019-12-07 10:43:23,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [902393912] [2019-12-07 10:43:23,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:43:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:23,822 INFO L264 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 10:43:23,823 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,827 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177191976] [2019-12-07 10:43:23,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:43:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:23,992 INFO L264 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:43:23,993 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:23,997 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:43:24,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 10:43:24,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2019-12-07 10:43:24,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379105973] [2019-12-07 10:43:24,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:43:24,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:24,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:43:24,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:43:24,003 INFO L87 Difference]: Start difference. First operand 298 states and 397 transitions. Second operand 8 states. [2019-12-07 10:43:24,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:24,262 INFO L93 Difference]: Finished difference Result 662 states and 889 transitions. [2019-12-07 10:43:24,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:43:24,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-12-07 10:43:24,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:24,264 INFO L225 Difference]: With dead ends: 662 [2019-12-07 10:43:24,264 INFO L226 Difference]: Without dead ends: 371 [2019-12-07 10:43:24,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-12-07 10:43:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-12-07 10:43:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 304. [2019-12-07 10:43:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-12-07 10:43:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 392 transitions. [2019-12-07 10:43:24,290 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 392 transitions. Word has length 51 [2019-12-07 10:43:24,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:24,290 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 392 transitions. [2019-12-07 10:43:24,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:43:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 392 transitions. [2019-12-07 10:43:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-07 10:43:24,292 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:43:24,292 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-12-07 10:43:24,894 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 10:43:24,895 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:43:24,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:43:24,896 INFO L82 PathProgramCache]: Analyzing trace with hash -833652910, now seen corresponding path program 1 times [2019-12-07 10:43:24,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:43:24,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994542506] [2019-12-07 10:43:24,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 10:43:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:25,020 INFO L264 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:43:25,022 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 10:43:25,049 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 10:43:25,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994542506] [2019-12-07 10:43:25,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [814930109] [2019-12-07 10:43:25,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:43:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:43:25,197 INFO L264 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:43:25,198 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:43:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-07 10:43:25,212 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:43:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-07 10:43:25,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:43:25,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2019-12-07 10:43:25,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256415469] [2019-12-07 10:43:25,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:43:25,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:43:25,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:43:25,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:43:25,218 INFO L87 Difference]: Start difference. First operand 304 states and 392 transitions. Second operand 3 states. [2019-12-07 10:43:25,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:43:25,354 INFO L93 Difference]: Finished difference Result 542 states and 700 transitions. [2019-12-07 10:43:25,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:43:25,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-12-07 10:43:25,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:43:25,355 INFO L225 Difference]: With dead ends: 542 [2019-12-07 10:43:25,355 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:43:25,356 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-07 10:43:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:43:25,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:43:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:43:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:43:25,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2019-12-07 10:43:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:43:25,357 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:43:25,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:43:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:43:25,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:43:25,758 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:43:25,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:43:25,916 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-12-07 10:43:26,616 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-07 10:43:26,970 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2019-12-07 10:43:27,234 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 6 [2019-12-07 10:43:27,518 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2019-12-07 10:43:27,844 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2019-12-07 10:43:28,135 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2019-12-07 10:43:28,238 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2019-12-07 10:43:28,631 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2019-12-07 10:43:28,776 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-12-07 10:43:29,017 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 35 [2019-12-07 10:43:29,363 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2019-12-07 10:43:29,746 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2019-12-07 10:43:29,758 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 10:43:29,758 INFO L246 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-12-07 10:43:29,758 INFO L242 CegarLoopResult]: At program point L878(lines 863 881) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) .cse2))) [2019-12-07 10:43:29,759 INFO L242 CegarLoopResult]: At program point L878-1(lines 863 881) the Hoare annotation is: false [2019-12-07 10:43:29,759 INFO L242 CegarLoopResult]: At program point L878-2(lines 863 881) the Hoare annotation is: false [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L242 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L929(lines 929 939) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L929-2(lines 929 939) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L929-4(lines 929 939) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L246 CegarLoopResult]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-12-07 10:43:29,759 INFO L242 CegarLoopResult]: At program point L914(lines 738 744) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3)))) [2019-12-07 10:43:29,759 INFO L242 CegarLoopResult]: At program point L914-1(lines 738 744) the Hoare annotation is: false [2019-12-07 10:43:29,759 INFO L242 CegarLoopResult]: At program point L914-2(lines 738 744) the Hoare annotation is: false [2019-12-07 10:43:29,760 INFO L242 CegarLoopResult]: At program point L551(lines 546 554) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L242 CegarLoopResult]: At program point L717(lines 708 721) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 10:43:29,760 INFO L242 CegarLoopResult]: At program point L717-1(lines 708 721) the Hoare annotation is: false [2019-12-07 10:43:29,760 INFO L242 CegarLoopResult]: At program point L717-2(lines 708 721) the Hoare annotation is: false [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L635-3(lines 635 639) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L635-6(lines 635 639) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L242 CegarLoopResult]: At program point L603-1(lines 603 609) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse2 .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-12-07 10:43:29,760 INFO L249 CegarLoopResult]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-12-07 10:43:29,760 INFO L246 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L242 CegarLoopResult]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L242 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse0 (not .cse7)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse2 .cse6) (and .cse0 .cse1 .cse5 .cse2 .cse6) (and .cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse7 .cse2) (and .cse3 .cse0 .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L242 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: false [2019-12-07 10:43:29,761 INFO L242 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L242 CegarLoopResult]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 10:43:29,761 INFO L242 CegarLoopResult]: At program point L738(lines 734 756) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 10:43:29,762 INFO L242 CegarLoopResult]: At program point L738-1(lines 734 756) the Hoare annotation is: false [2019-12-07 10:43:29,762 INFO L242 CegarLoopResult]: At program point L738-2(lines 734 756) the Hoare annotation is: false [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L242 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-12-07 10:43:29,762 INFO L242 CegarLoopResult]: At program point L904(lines 899 906) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L242 CegarLoopResult]: At program point L112(lines 108 114) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L872-5(lines 872 876) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L246 CegarLoopResult]: For program point L872-8(lines 872 876) no Hoare annotation was computed. [2019-12-07 10:43:29,762 INFO L242 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3)))) [2019-12-07 10:43:29,763 INFO L242 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 .cse2 .cse4 .cse3)))) [2019-12-07 10:43:29,763 INFO L242 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2019-12-07 10:43:29,763 INFO L242 CegarLoopResult]: At program point L823-3(lines 818 826) the Hoare annotation is: false [2019-12-07 10:43:29,763 INFO L242 CegarLoopResult]: At program point L823-4(lines 818 826) the Hoare annotation is: false [2019-12-07 10:43:29,763 INFO L242 CegarLoopResult]: At program point L823-5(lines 818 826) the Hoare annotation is: false [2019-12-07 10:43:29,763 INFO L246 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2019-12-07 10:43:29,763 INFO L246 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2019-12-07 10:43:29,763 INFO L246 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2019-12-07 10:43:29,763 INFO L242 CegarLoopResult]: At program point L543(lines 1 945) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L242 CegarLoopResult]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L246 CegarLoopResult]: For program point L925(lines 925 942) no Hoare annotation was computed. [2019-12-07 10:43:29,764 INFO L242 CegarLoopResult]: At program point L925-1(lines 1 945) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 10:43:29,765 INFO L246 CegarLoopResult]: For program point L925-2(lines 925 942) no Hoare annotation was computed. [2019-12-07 10:43:29,765 INFO L242 CegarLoopResult]: At program point L925-3(lines 1 945) the Hoare annotation is: false [2019-12-07 10:43:29,765 INFO L246 CegarLoopResult]: For program point L925-4(lines 925 942) no Hoare annotation was computed. [2019-12-07 10:43:29,765 INFO L242 CegarLoopResult]: At program point L925-5(lines 1 945) the Hoare annotation is: false [2019-12-07 10:43:29,765 INFO L249 CegarLoopResult]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-12-07 10:43:29,765 INFO L242 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse0 (not .cse6)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2) (and .cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2) (and .cse3 .cse0 .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 10:43:29,765 INFO L246 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-12-07 10:43:29,765 INFO L242 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2019-12-07 10:43:29,765 INFO L246 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-12-07 10:43:29,765 INFO L242 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2019-12-07 10:43:29,766 INFO L246 CegarLoopResult]: For program point L712-2(lines 712 718) no Hoare annotation was computed. [2019-12-07 10:43:29,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:43:29 BoogieIcfgContainer [2019-12-07 10:43:29,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:43:29,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:43:29,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:43:29,792 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:43:29,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:43:19" (3/4) ... [2019-12-07 10:43:29,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:43:29,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:43:29,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:43:29,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:43:29,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:43:29,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:43:29,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:43:29,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:43:29,833 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == tmp) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,834 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,835 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,836 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 10:43:29,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_244ad932-01f9-445a-bf37-11973863acd9/bin/utaipan/witness.graphml [2019-12-07 10:43:29,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:43:29,865 INFO L168 Benchmark]: Toolchain (without parser) took 11498.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 953.7 MB in the beginning and 953.9 MB in the end (delta: -168.6 kB). Peak memory consumption was 319.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:29,865 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:43:29,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:29,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:29,865 INFO L168 Benchmark]: Boogie Preprocessor took 27.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:43:29,865 INFO L168 Benchmark]: RCFGBuilder took 496.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:29,866 INFO L168 Benchmark]: TraceAbstraction took 10484.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.3 MB). Free memory was 1.0 GB in the beginning and 963.2 MB in the end (delta: 67.1 MB). Peak memory consumption was 391.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:29,866 INFO L168 Benchmark]: Witness Printer took 71.86 ms. Allocated memory is still 1.3 GB. Free memory was 963.2 MB in the beginning and 953.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:43:29,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 496.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10484.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 189.3 MB). Free memory was 1.0 GB in the beginning and 963.2 MB in the end (delta: 67.1 MB). Peak memory consumption was 391.5 MB. Max. memory is 11.5 GB. * Witness Printer took 71.86 ms. Allocated memory is still 1.3 GB. Free memory was 963.2 MB in the beginning and 953.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == tmp) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((tmp == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 6.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, HoareTripleCheckerStatistics: 924 SDtfs, 1082 SDslu, 1677 SDs, 0 SdLazy, 247 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1131 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 773 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 150 NumberOfFragments, 796 HoareAnnotationTreeSize, 39 FomulaSimplifications, 118852 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 39 FomulaSimplificationsInter, 57690 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1158 ConstructedInterpolants, 0 QuantifiedInterpolants, 121822 SizeOfPredicates, 32 NumberOfNonLiveVariables, 2952 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 472/508 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...