./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.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_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ...................................................................................................................................... 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_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:36:15,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:36:15,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:36:15,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:36:15,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:36:15,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:36:15,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:36:15,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:36:15,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:36:15,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:36:15,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:36:15,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:36:15,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:36:15,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:36:15,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:36:15,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:36:15,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:36:15,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:36:15,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:36:15,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:36:15,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:36:15,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:36:15,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:36:15,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:36:15,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:36:15,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:36:15,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:36:15,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:36:15,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:36:15,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:36:15,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:36:15,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:36:15,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:36:15,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:36:15,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:36:15,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:36:15,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:36:15,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:36:15,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:36:15,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:36:15,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:36:15,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:36:15,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:36:15,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:36:15,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:36:15,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:36:15,511 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:36:15,512 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:36:15,512 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:36:15,512 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:36:15,512 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:36:15,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:36:15,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:36:15,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:36:15,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:36:15,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:36:15,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:36:15,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:36:15,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:36:15,515 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:36:15,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:36:15,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:36:15,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:36:15,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:36:15,516 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_c8364177-4126-49fc-a329-93b2f694d5c9/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2019-12-07 13:36:15,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:36:15,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:36:15,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:36:15,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:36:15,630 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:36:15,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-12-07 13:36:15,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/c04c8c380/6a23bc92d5474c988532b142862f697e/FLAG0d210682c [2019-12-07 13:36:16,125 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:36:16,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-12-07 13:36:16,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/c04c8c380/6a23bc92d5474c988532b142862f697e/FLAG0d210682c [2019-12-07 13:36:16,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/c04c8c380/6a23bc92d5474c988532b142862f697e [2019-12-07 13:36:16,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:36:16,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:36:16,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:16,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:36:16,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:36:16,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:16" (1/1) ... [2019-12-07 13:36:16,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:16, skipping insertion in model container [2019-12-07 13:36:16,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:16" (1/1) ... [2019-12-07 13:36:16,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:36:16,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:36:16,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:16,411 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 13:36:16,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17f24801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:16, skipping insertion in model container [2019-12-07 13:36:16,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:16,412 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:36:16,414 INFO L168 Benchmark]: Toolchain (without parser) took 266.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:16,414 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:16,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:16,416 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 13:36:17,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:36:17,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:36:17,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:36:17,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:36:17,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:36:17,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:36:17,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:36:17,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:36:17,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:36:17,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:36:17,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:36:17,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:36:17,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:36:17,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:36:17,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:36:17,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:36:17,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:36:17,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:36:17,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:36:17,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:36:17,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:36:17,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:36:17,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:36:17,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:36:17,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:36:17,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:36:17,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:36:17,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:36:17,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:36:17,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:36:17,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:36:17,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:36:17,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:36:17,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:36:17,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:36:17,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:36:17,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:36:17,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:36:17,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:36:17,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:36:17,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:36:17,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:36:17,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:36:17,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:36:17,591 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:36:17,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:36:17,591 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:36:17,591 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:36:17,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:36:17,591 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:36:17,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:36:17,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:36:17,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:36:17,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:36:17,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:36:17,593 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:36:17,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:36:17,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:36:17,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:36:17,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:36:17,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:36:17,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:36:17,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:36:17,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:36:17,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:36:17,595 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:36:17,595 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:36:17,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:36:17,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:36:17,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:36:17,595 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_c8364177-4126-49fc-a329-93b2f694d5c9/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2019-12-07 13:36:17,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:36:17,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:36:17,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:36:17,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:36:17,777 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:36:17,778 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-12-07 13:36:17,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/3746711f4/5beb0b1ace8c4e66acf6848874499c2f/FLAGe9794032f [2019-12-07 13:36:18,152 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:36:18,153 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-12-07 13:36:18,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/3746711f4/5beb0b1ace8c4e66acf6848874499c2f/FLAGe9794032f [2019-12-07 13:36:18,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/data/3746711f4/5beb0b1ace8c4e66acf6848874499c2f [2019-12-07 13:36:18,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:36:18,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:36:18,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:18,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:36:18,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:36:18,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18, skipping insertion in model container [2019-12-07 13:36:18,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:36:18,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:36:18,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:18,430 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:36:18,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:36:18,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:18,477 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:36:18,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:18,537 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:36:18,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18 WrapperNode [2019-12-07 13:36:18,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:18,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:18,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:36:18,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:36:18,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:18,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:36:18,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:36:18,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:36:18,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... [2019-12-07 13:36:18,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:36:18,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:36:18,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:36:18,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:36:18,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:36:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:36:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:36:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:36:19,071 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:36:19,071 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 13:36:19,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:19 BoogieIcfgContainer [2019-12-07 13:36:19,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:36:19,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:36:19,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:36:19,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:36:19,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:36:18" (1/3) ... [2019-12-07 13:36:19,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a3c1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:19, skipping insertion in model container [2019-12-07 13:36:19,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:18" (2/3) ... [2019-12-07 13:36:19,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a3c1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:19, skipping insertion in model container [2019-12-07 13:36:19,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:19" (3/3) ... [2019-12-07 13:36:19,077 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2019-12-07 13:36:19,084 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:36:19,089 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:36:19,096 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:36:19,112 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:36:19,113 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:36:19,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:36:19,113 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:36:19,113 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:36:19,113 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:36:19,113 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:36:19,113 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:36:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 13:36:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:36:19,129 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:19,129 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:19,130 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:19,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:19,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2019-12-07 13:36:19,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:19,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857228048] [2019-12-07 13:36:19,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:19,289 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:36:19,293 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:19,303 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 13:36:19,303 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:19,307 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 13:36:19,307 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857228048] [2019-12-07 13:36:19,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:19,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:36:19,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171925056] [2019-12-07 13:36:19,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:36:19,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:19,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:36:19,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:36:19,322 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 13:36:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:19,341 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 13:36:19,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:36:19,342 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:36:19,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:19,350 INFO L225 Difference]: With dead ends: 148 [2019-12-07 13:36:19,350 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 13:36:19,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:36:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 13:36:19,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 13:36:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 13:36:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 13:36:19,382 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 13:36:19,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:19,382 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 13:36:19,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:36:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 13:36:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:36:19,383 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:19,383 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:19,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:36:19,584 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:19,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:19,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2019-12-07 13:36:19,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:19,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432071067] [2019-12-07 13:36:19,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:19,700 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:36:19,702 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:19,718 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 13:36:19,718 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:19,727 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 13:36:19,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432071067] [2019-12-07 13:36:19,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:19,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:36:19,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653126222] [2019-12-07 13:36:19,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:36:19,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:19,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:36:19,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:36:19,730 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 13:36:19,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:19,743 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 13:36:19,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:36:19,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 13:36:19,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:19,745 INFO L225 Difference]: With dead ends: 73 [2019-12-07 13:36:19,745 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 13:36:19,746 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:36:19,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 13:36:19,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 13:36:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 13:36:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 13:36:19,751 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 13:36:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:19,751 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 13:36:19,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:36:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 13:36:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:36:19,753 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:19,753 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:19,953 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:36:19,954 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:19,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:19,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2019-12-07 13:36:19,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:19,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645705614] [2019-12-07 13:36:19,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:20,113 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:36:20,115 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:20,123 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 13:36:20,123 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:20,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645705614] [2019-12-07 13:36:20,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:20,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 13:36:20,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353462783] [2019-12-07 13:36:20,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:36:20,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:20,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:36:20,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:36:20,131 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 13:36:20,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:20,149 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2019-12-07 13:36:20,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:36:20,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 13:36:20,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:20,151 INFO L225 Difference]: With dead ends: 116 [2019-12-07 13:36:20,151 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 13:36:20,151 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:36:20,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 13:36:20,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2019-12-07 13:36:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 13:36:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 13:36:20,160 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 13:36:20,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:20,160 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 13:36:20,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:36:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 13:36:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:36:20,161 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:20,161 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:20,361 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:36:20,362 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:20,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2019-12-07 13:36:20,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:20,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275438068] [2019-12-07 13:36:20,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:20,509 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:36:20,510 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:20,526 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 13:36:20,526 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:20,554 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 13:36:20,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275438068] [2019-12-07 13:36:20,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:20,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:36:20,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461774467] [2019-12-07 13:36:20,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:36:20,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:20,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:36:20,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:36:20,557 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2019-12-07 13:36:20,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:20,746 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2019-12-07 13:36:20,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:36:20,747 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 13:36:20,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:20,749 INFO L225 Difference]: With dead ends: 373 [2019-12-07 13:36:20,749 INFO L226 Difference]: Without dead ends: 325 [2019-12-07 13:36:20,750 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:36:20,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-12-07 13:36:20,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2019-12-07 13:36:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 13:36:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-12-07 13:36:20,766 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2019-12-07 13:36:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:20,766 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-12-07 13:36:20,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:36:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-12-07 13:36:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:36:20,767 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:20,767 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:20,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:36:20,969 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:20,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2019-12-07 13:36:20,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:20,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926339953] [2019-12-07 13:36:20,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:21,131 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:36:21,132 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:21,137 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 13:36:21,137 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:21,139 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 13:36:21,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926339953] [2019-12-07 13:36:21,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:21,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:36:21,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917312397] [2019-12-07 13:36:21,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:36:21,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:21,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:36:21,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:36:21,142 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2019-12-07 13:36:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:21,305 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2019-12-07 13:36:21,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:36:21,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 13:36:21,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:21,307 INFO L225 Difference]: With dead ends: 354 [2019-12-07 13:36:21,307 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 13:36:21,309 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:36:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 13:36:21,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2019-12-07 13:36:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-12-07 13:36:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2019-12-07 13:36:21,335 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2019-12-07 13:36:21,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:21,336 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2019-12-07 13:36:21,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:36:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2019-12-07 13:36:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:36:21,338 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:21,338 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 13:36:21,539 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:36:21,540 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:21,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:21,541 INFO L82 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2019-12-07 13:36:21,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:21,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600580165] [2019-12-07 13:36:21,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:21,699 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:36:21,700 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:21,706 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 13:36:21,706 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:21,708 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 13:36:21,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600580165] [2019-12-07 13:36:21,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:21,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:36:21,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102038168] [2019-12-07 13:36:21,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:36:21,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:21,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:36:21,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:36:21,717 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2019-12-07 13:36:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:21,736 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2019-12-07 13:36:21,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:36:21,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 13:36:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:21,738 INFO L225 Difference]: With dead ends: 331 [2019-12-07 13:36:21,738 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 13:36:21,740 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:36:21,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 13:36:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 13:36:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 13:36:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 13:36:21,752 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 13:36:21,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:21,752 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 13:36:21,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:36:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 13:36:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 13:36:21,753 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:21,754 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:21,954 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 13:36:21,955 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:21,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:21,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2019-12-07 13:36:21,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:36:21,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219031569] [2019-12-07 13:36:21,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/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 13:36:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:22,076 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:36:22,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:22,090 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:22,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219031569] [2019-12-07 13:36:22,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1843562757] [2019-12-07 13:36:22,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:36:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:22,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:36:22,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 13:36:22,233 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 13:36:22,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:36:22,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 13:36:22,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369472504] [2019-12-07 13:36:22,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:36:22,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:36:22,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:36:22,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:36:22,237 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 13:36:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:22,317 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 13:36:22,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:36:22,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 13:36:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:22,318 INFO L225 Difference]: With dead ends: 235 [2019-12-07 13:36:22,318 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:36:22,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:36:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:36:22,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:36:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:36:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:36:22,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 13:36:22,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:22,319 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:36:22,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:36:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:36:22,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:36:22,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 13:36:22,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:36:22,966 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L242 CegarLoopResult]: At program point L812(lines 808 814) 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 13:36:22,967 INFO L246 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L680-2(line 680) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L548(lines 548 565) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L548-1(lines 548 565) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L548-2(lines 548 565) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L895(lines 895 908) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L242 CegarLoopResult]: At program point L895-1(lines 1 911) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L895-2(lines 895 908) no Hoare annotation was computed. [2019-12-07 13:36:22,967 INFO L242 CegarLoopResult]: At program point L895-3(lines 1 911) the Hoare annotation is: false [2019-12-07 13:36:22,967 INFO L246 CegarLoopResult]: For program point L895-4(lines 895 908) no Hoare annotation was computed. [2019-12-07 13:36:22,968 INFO L242 CegarLoopResult]: At program point L895-5(lines 1 911) the Hoare annotation is: false [2019-12-07 13:36:22,968 INFO L246 CegarLoopResult]: For program point L697(lines 696 743) no Hoare annotation was computed. [2019-12-07 13:36:22,968 INFO L246 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-12-07 13:36:22,968 INFO L242 CegarLoopResult]: At program point L664-1(lines 664 670) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,968 INFO L242 CegarLoopResult]: At program point L516(lines 515 534) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,968 INFO L246 CegarLoopResult]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2019-12-07 13:36:22,968 INFO L242 CegarLoopResult]: At program point L516-2(lines 515 534) the Hoare annotation is: false [2019-12-07 13:36:22,968 INFO L242 CegarLoopResult]: At program point L516-3(lines 515 534) the Hoare annotation is: false [2019-12-07 13:36:22,968 INFO L246 CegarLoopResult]: For program point L698(lines 698 702) no Hoare annotation was computed. [2019-12-07 13:36:22,968 INFO L242 CegarLoopResult]: At program point L764-2(lines 764 778) the Hoare annotation is: false [2019-12-07 13:36:22,968 INFO L249 CegarLoopResult]: At program point L847(lines 828 850) the Hoare annotation is: true [2019-12-07 13:36:22,968 INFO L246 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2019-12-07 13:36:22,968 INFO L246 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L242 CegarLoopResult]: At program point L732-1(lines 516 522) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L242 CegarLoopResult]: At program point L716-1(lines 716 722) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L650-3(lines 650 654) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L650-5(lines 650 654) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L650-6(lines 650 654) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L650-8(lines 650 654) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-12-07 13:36:22,969 INFO L246 CegarLoopResult]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L242 CegarLoopResult]: At program point L601(lines 596 604) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,970 INFO L242 CegarLoopResult]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2019-12-07 13:36:22,970 INFO L242 CegarLoopResult]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2019-12-07 13:36:22,970 INFO L242 CegarLoopResult]: At program point L882(lines 877 885) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point L552(lines 552 560) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point L552-1(lines 552 560) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point L552-2(lines 552 560) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point L899-2(lines 899 905) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point L899-4(lines 899 905) no Hoare annotation was computed. [2019-12-07 13:36:22,970 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:36:22,971 INFO L246 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-12-07 13:36:22,971 INFO L246 CegarLoopResult]: For program point L768-1(lines 516 522) no Hoare annotation was computed. [2019-12-07 13:36:22,971 INFO L242 CegarLoopResult]: At program point L488(lines 483 491) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,971 INFO L242 CegarLoopResult]: At program point L488-1(lines 483 491) the Hoare annotation is: false [2019-12-07 13:36:22,971 INFO L242 CegarLoopResult]: At program point L488-2(lines 483 491) the Hoare annotation is: false [2019-12-07 13:36:22,971 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2019-12-07 13:36:22,971 INFO L242 CegarLoopResult]: At program point L523(lines 523 529) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,971 INFO L242 CegarLoopResult]: At program point L523-1(lines 523 529) the Hoare annotation is: false [2019-12-07 13:36:22,971 INFO L242 CegarLoopResult]: At program point L523-2(lines 523 529) the Hoare annotation is: false [2019-12-07 13:36:22,971 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:36:22,972 INFO L242 CegarLoopResult]: At program point L656(lines 641 659) the Hoare annotation is: false [2019-12-07 13:36:22,972 INFO L242 CegarLoopResult]: At program point L656-1(lines 641 659) the Hoare annotation is: false [2019-12-07 13:36:22,972 INFO L242 CegarLoopResult]: At program point L656-2(lines 641 659) the Hoare annotation is: false [2019-12-07 13:36:22,972 INFO L246 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-12-07 13:36:22,972 INFO L249 CegarLoopResult]: At program point L838-1(lines 838 845) the Hoare annotation is: true [2019-12-07 13:36:22,972 INFO L246 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-12-07 13:36:22,972 INFO L242 CegarLoopResult]: At program point L706-1(lines 706 712) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:36:22,972 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-12-07 13:36:22,972 INFO L242 CegarLoopResult]: At program point L874(lines 1 911) 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 13:36:22,972 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:36:22,972 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2019-12-07 13:36:22,973 INFO L246 CegarLoopResult]: For program point L726(lines 726 739) no Hoare annotation was computed. [2019-12-07 13:36:22,973 INFO L242 CegarLoopResult]: At program point L744(lines 695 745) the Hoare annotation is: false [2019-12-07 13:36:22,973 INFO L242 CegarLoopResult]: At program point L497(lines 492 500) the Hoare annotation is: false [2019-12-07 13:36:22,973 INFO L242 CegarLoopResult]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-12-07 13:36:22,973 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 13:36:22,973 INFO L242 CegarLoopResult]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-12-07 13:36:22,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:36:22 BoogieIcfgContainer [2019-12-07 13:36:22,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:36:22,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:36:22,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:36:22,987 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:36:22,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:19" (3/4) ... [2019-12-07 13:36:22,991 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:36:23,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:36:23,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:36:23,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:36:23,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:36:23,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:36:23,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:36:23,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:36:23,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 13:36:23,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c8364177-4126-49fc-a329-93b2f694d5c9/bin/utaipan/witness.graphml [2019-12-07 13:36:23,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:36:23,073 INFO L168 Benchmark]: Toolchain (without parser) took 4900.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -101.2 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:23,073 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 13:36:23,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:23,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.87 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:23,074 INFO L168 Benchmark]: Boogie Preprocessor took 27.30 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 13:36:23,074 INFO L168 Benchmark]: RCFGBuilder took 465.69 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: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:23,075 INFO L168 Benchmark]: TraceAbstraction took 3914.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:23,075 INFO L168 Benchmark]: Witness Printer took 84.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:23,077 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 365.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.87 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.30 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 465.69 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: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3914.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Witness Printer took 84.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 680]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 680]: 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: 596]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 429 SDtfs, 706 SDslu, 578 SDs, 0 SdLazy, 124 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 25055 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1496 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...