./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/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 ffb924ee3454938bf87e2a52362fa3f53467287e ...................................................................................................................................... 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_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/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 ffb924ee3454938bf87e2a52362fa3f53467287e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:19:30,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:19:30,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:19:30,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:19:30,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:19:30,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:19:30,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:19:30,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:19:30,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:19:30,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:19:30,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:19:30,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:19:30,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:19:30,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:19:30,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:19:30,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:19:30,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:19:30,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:19:30,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:19:30,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:19:30,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:19:30,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:19:30,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:19:30,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:19:30,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:19:30,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:19:30,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:19:30,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:19:30,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:19:30,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:19:30,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:19:30,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:19:30,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:19:30,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:19:30,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:19:30,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:19:30,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:19:30,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:19:30,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:19:30,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:19:30,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:19:30,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:19:30,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:19:30,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:19:30,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:19:30,468 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:19:30,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:19:30,468 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:19:30,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:19:30,469 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:19:30,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:19:30,469 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:19:30,469 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:19:30,469 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:19:30,470 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:19:30,470 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:19:30,470 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:19:30,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:19:30,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:19:30,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:19:30,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:19:30,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:19:30,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:19:30,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:19:30,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:19:30,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:19:30,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:19:30,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:19:30,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:19:30,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:19:30,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:19:30,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:19:30,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:19:30,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:19:30,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:19:30,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:19:30,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:19:30,474 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:19:30,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:19:30,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:19:30,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:19:30,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:19:30,475 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_9d6fd6ce-b01e-4e19-826e-b41f245467ee/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2019-12-07 10:19:30,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:19:30,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:19:30,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:19:30,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:19:30,594 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:19:30,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-12-07 10:19:30,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/c43ff53e9/4b35588a16eb496e9bf28f4dbbe26658/FLAG4bbb6d43a [2019-12-07 10:19:31,089 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:19:31,089 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-12-07 10:19:31,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/c43ff53e9/4b35588a16eb496e9bf28f4dbbe26658/FLAG4bbb6d43a [2019-12-07 10:19:31,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/c43ff53e9/4b35588a16eb496e9bf28f4dbbe26658 [2019-12-07 10:19:31,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:19:31,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:19:31,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:19:31,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:19:31,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:19:31,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:19:31" (1/1) ... [2019-12-07 10:19:31,119 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 10:19:31, skipping insertion in model container [2019-12-07 10:19:31,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:19:31" (1/1) ... [2019-12-07 10:19:31,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:19:31,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:19:31,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:19:31,397 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:19:31,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3caab912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:31, skipping insertion in model container [2019-12-07 10:19:31,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:19:31,398 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:19:31,399 INFO L168 Benchmark]: Toolchain (without parser) took 287.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:31,400 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:19:31,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:31,402 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 154]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:19:32,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:19:32,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:19:32,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:19:32,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:19:32,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:19:32,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:19:32,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:19:32,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:19:32,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:19:32,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:19:32,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:19:32,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:19:32,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:19:32,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:19:32,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:19:32,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:19:32,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:19:32,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:19:32,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:19:32,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:19:32,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:19:32,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:19:32,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:19:32,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:19:32,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:19:32,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:19:32,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:19:32,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:19:32,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:19:32,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:19:32,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:19:32,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:19:32,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:19:32,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:19:32,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:19:32,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:19:32,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:19:32,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:19:32,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:19:32,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:19:32,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:19:32,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:19:32,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:19:32,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:19:32,549 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:19:32,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:19:32,549 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:19:32,549 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:19:32,549 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:19:32,550 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:19:32,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:19:32,550 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:19:32,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:19:32,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:19:32,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:19:32,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:19:32,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:19:32,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:19:32,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:19:32,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:19:32,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:19:32,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:19:32,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:19:32,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:19:32,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:19:32,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:19:32,553 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:19:32,553 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:19:32,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:19:32,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:19:32,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:19:32,554 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_9d6fd6ce-b01e-4e19-826e-b41f245467ee/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2019-12-07 10:19:32,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:19:32,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:19:32,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:19:32,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:19:32,729 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:19:32,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-12-07 10:19:32,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/c876b54e6/bd13b9cd146849f1a6db785906b0b650/FLAG8d409e30c [2019-12-07 10:19:33,237 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:19:33,238 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-12-07 10:19:33,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/c876b54e6/bd13b9cd146849f1a6db785906b0b650/FLAG8d409e30c [2019-12-07 10:19:33,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/data/c876b54e6/bd13b9cd146849f1a6db785906b0b650 [2019-12-07 10:19:33,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:19:33,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:19:33,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:19:33,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:19:33,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:19:33,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,263 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 10:19:33, skipping insertion in model container [2019-12-07 10:19:33,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:19:33,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:19:33,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:19:33,532 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:19:33,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:19:33,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:19:33,579 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:19:33,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:19:33,640 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:19:33,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33 WrapperNode [2019-12-07 10:19:33,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:19:33,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:19:33,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:19:33,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:19:33,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:19:33,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:19:33,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:19:33,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:19:33,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... [2019-12-07 10:19:33,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:19:33,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:19:33,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:19:33,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:19:33,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:19:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:19:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:19:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:19:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:19:34,187 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:19:34,188 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-12-07 10:19:34,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:19:34 BoogieIcfgContainer [2019-12-07 10:19:34,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:19:34,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:19:34,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:19:34,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:19:34,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:19:33" (1/3) ... [2019-12-07 10:19:34,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237b96c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:19:34, skipping insertion in model container [2019-12-07 10:19:34,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:19:33" (2/3) ... [2019-12-07 10:19:34,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237b96c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:19:34, skipping insertion in model container [2019-12-07 10:19:34,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:19:34" (3/3) ... [2019-12-07 10:19:34,196 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2019-12-07 10:19:34,205 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:19:34,212 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:19:34,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:19:34,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:19:34,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:19:34,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:19:34,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:19:34,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:19:34,240 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:19:34,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:19:34,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:19:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 10:19:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:19:34,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:19:34,256 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:19:34,256 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:19:34,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:34,260 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-12-07 10:19:34,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:19:34,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614299716] [2019-12-07 10:19:34,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:19:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:34,399 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:19:34,402 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:19:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:34,414 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:19:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:34,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614299716] [2019-12-07 10:19:34,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:34,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:19:34,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047008455] [2019-12-07 10:19:34,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:19:34,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:19:34,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:19:34,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:19:34,436 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-12-07 10:19:34,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:34,454 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-12-07 10:19:34,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:19:34,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:19:34,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:19:34,463 INFO L225 Difference]: With dead ends: 132 [2019-12-07 10:19:34,463 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 10:19:34,465 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 10:19:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 10:19:34,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 10:19:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 10:19:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-12-07 10:19:34,492 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-12-07 10:19:34,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:19:34,493 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-12-07 10:19:34,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:19:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-12-07 10:19:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:19:34,494 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:19:34,494 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 10:19:34,694 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:19:34,695 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:19:34,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:34,696 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-12-07 10:19:34,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:19:34,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813997543] [2019-12-07 10:19:34,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:19:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:34,876 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:19:34,877 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:19:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:34,890 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:19:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:34,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813997543] [2019-12-07 10:19:34,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:34,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:19:34,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345646683] [2019-12-07 10:19:34,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:19:34,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:19:34,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:19:34,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:19:34,900 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2019-12-07 10:19:34,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:34,909 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-12-07 10:19:34,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:19:34,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 10:19:34,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:19:34,910 INFO L225 Difference]: With dead ends: 65 [2019-12-07 10:19:34,910 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 10:19:34,911 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 10:19:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 10:19:34,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 10:19:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 10:19:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 10:19:34,915 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-12-07 10:19:34,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:19:34,915 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 10:19:34,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:19:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 10:19:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:19:34,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:19:34,916 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 10:19:35,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:19:35,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:19:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:35,118 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-12-07 10:19:35,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:19:35,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273992334] [2019-12-07 10:19:35,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:19:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:35,309 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:19:35,310 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:19:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:35,317 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:19:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:35,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273992334] [2019-12-07 10:19:35,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:35,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:19:35,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712082146] [2019-12-07 10:19:35,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:19:35,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:19:35,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:19:35,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:19:35,325 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 10:19:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:35,358 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-12-07 10:19:35,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:19:35,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 10:19:35,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:19:35,359 INFO L225 Difference]: With dead ends: 56 [2019-12-07 10:19:35,359 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 10:19:35,359 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 10:19:35,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 10:19:35,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 10:19:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 10:19:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-12-07 10:19:35,363 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-12-07 10:19:35,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:19:35,363 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-12-07 10:19:35,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:19:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-12-07 10:19:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 10:19:35,364 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:19:35,364 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 10:19:35,565 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:19:35,565 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:19:35,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:35,566 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-12-07 10:19:35,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:19:35,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277829702] [2019-12-07 10:19:35,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:19:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:35,663 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:19:35,665 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:19:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:35,679 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:19:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:35,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277829702] [2019-12-07 10:19:35,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:35,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:19:35,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255790227] [2019-12-07 10:19:35,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:19:35,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:19:35,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:19:35,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:19:35,687 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2019-12-07 10:19:35,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:35,771 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2019-12-07 10:19:35,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:19:35,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 10:19:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:19:35,772 INFO L225 Difference]: With dead ends: 132 [2019-12-07 10:19:35,772 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 10:19:35,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:19:35,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 10:19:35,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2019-12-07 10:19:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 10:19:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2019-12-07 10:19:35,781 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2019-12-07 10:19:35,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:19:35,781 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2019-12-07 10:19:35,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:19:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2019-12-07 10:19:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:19:35,783 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:19:35,783 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 10:19:35,983 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:19:35,984 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:19:35,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:19:35,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2019-12-07 10:19:35,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:19:35,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701658433] [2019-12-07 10:19:35,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:19:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:19:36,152 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:19:36,153 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:19:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:36,167 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:19:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:19:36,170 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701658433] [2019-12-07 10:19:36,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:19:36,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:19:36,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480453287] [2019-12-07 10:19:36,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:19:36,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:19:36,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:19:36,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:19:36,172 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2019-12-07 10:19:36,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:19:36,248 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2019-12-07 10:19:36,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:19:36,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 10:19:36,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:19:36,249 INFO L225 Difference]: With dead ends: 144 [2019-12-07 10:19:36,249 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:19:36,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:19:36,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:19:36,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:19:36,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:19:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:19:36,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 10:19:36,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:19:36,251 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:19:36,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:19:36,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:19:36,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:19:36,451 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:19:36,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:19:36,745 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-12-07 10:19:36,746 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 10:19:36,746 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 10:19:36,746 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 10:19:36,746 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:19:36,746 INFO L246 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-12-07 10:19:36,746 INFO L249 CegarLoopResult]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2019-12-07 10:19:36,746 INFO L242 CegarLoopResult]: At program point L715(lines 715 721) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,746 INFO L242 CegarLoopResult]: At program point L715-1(lines 715 721) the Hoare annotation is: false [2019-12-07 10:19:36,746 INFO L242 CegarLoopResult]: At program point L715-2(lines 715 721) the Hoare annotation is: false [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L517(lines 1 893) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:19:36,747 INFO L246 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L650-1(lines 650 656) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-12-07 10:19:36,747 INFO L242 CegarLoopResult]: At program point L801(lines 794 804) the Hoare annotation is: false [2019-12-07 10:19:36,748 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:19:36,748 INFO L242 CegarLoopResult]: At program point L801-1(lines 794 804) the Hoare annotation is: false [2019-12-07 10:19:36,748 INFO L242 CegarLoopResult]: At program point L801-2(lines 794 804) the Hoare annotation is: false [2019-12-07 10:19:36,748 INFO L246 CegarLoopResult]: For program point L868(lines 868 881) no Hoare annotation was computed. [2019-12-07 10:19:36,748 INFO L242 CegarLoopResult]: At program point L868-1(lines 1 893) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,748 INFO L246 CegarLoopResult]: For program point L868-2(lines 868 881) no Hoare annotation was computed. [2019-12-07 10:19:36,748 INFO L242 CegarLoopResult]: At program point L868-3(lines 1 893) the Hoare annotation is: false [2019-12-07 10:19:36,748 INFO L246 CegarLoopResult]: For program point L868-4(lines 868 881) no Hoare annotation was computed. [2019-12-07 10:19:36,748 INFO L242 CegarLoopResult]: At program point L868-5(lines 1 893) the Hoare annotation is: false [2019-12-07 10:19:36,748 INFO L246 CegarLoopResult]: For program point L670(lines 670 683) no Hoare annotation was computed. [2019-12-07 10:19:36,749 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-12-07 10:19:36,749 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 10:19:36,749 INFO L242 CegarLoopResult]: At program point L688(lines 639 689) the Hoare annotation is: false [2019-12-07 10:19:36,749 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:19:36,749 INFO L249 CegarLoopResult]: At program point L624(lines 605 627) the Hoare annotation is: true [2019-12-07 10:19:36,749 INFO L242 CegarLoopResult]: At program point L591(lines 587 593) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:19:36,749 INFO L242 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:19:36,749 INFO L246 CegarLoopResult]: For program point L872(lines 872 878) no Hoare annotation was computed. [2019-12-07 10:19:36,749 INFO L246 CegarLoopResult]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2019-12-07 10:19:36,749 INFO L246 CegarLoopResult]: For program point L740(lines 740 757) no Hoare annotation was computed. [2019-12-07 10:19:36,750 INFO L246 CegarLoopResult]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2019-12-07 10:19:36,750 INFO L246 CegarLoopResult]: For program point L740-1(lines 740 757) no Hoare annotation was computed. [2019-12-07 10:19:36,750 INFO L246 CegarLoopResult]: For program point L740-2(lines 740 757) no Hoare annotation was computed. [2019-12-07 10:19:36,750 INFO L246 CegarLoopResult]: For program point L641(lines 640 687) no Hoare annotation was computed. [2019-12-07 10:19:36,750 INFO L242 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2019-12-07 10:19:36,750 INFO L242 CegarLoopResult]: At program point L708(lines 707 726) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,750 INFO L246 CegarLoopResult]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2019-12-07 10:19:36,751 INFO L246 CegarLoopResult]: For program point L642(lines 642 646) no Hoare annotation was computed. [2019-12-07 10:19:36,751 INFO L242 CegarLoopResult]: At program point L708-2(lines 707 726) the Hoare annotation is: false [2019-12-07 10:19:36,751 INFO L242 CegarLoopResult]: At program point L708-3(lines 707 726) the Hoare annotation is: false [2019-12-07 10:19:36,751 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 10:19:36,751 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-12-07 10:19:36,751 INFO L246 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2019-12-07 10:19:36,751 INFO L246 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2019-12-07 10:19:36,752 INFO L246 CegarLoopResult]: For program point L890-2(line 890) no Hoare annotation was computed. [2019-12-07 10:19:36,752 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:19:36,752 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-12-07 10:19:36,752 INFO L246 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-12-07 10:19:36,752 INFO L242 CegarLoopResult]: At program point L660-1(lines 660 666) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,752 INFO L242 CegarLoopResult]: At program point L810(lines 805 813) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,753 INFO L242 CegarLoopResult]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2019-12-07 10:19:36,753 INFO L246 CegarLoopResult]: For program point L744(lines 744 752) no Hoare annotation was computed. [2019-12-07 10:19:36,753 INFO L242 CegarLoopResult]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2019-12-07 10:19:36,753 INFO L246 CegarLoopResult]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2019-12-07 10:19:36,753 INFO L246 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-12-07 10:19:36,753 INFO L246 CegarLoopResult]: For program point L744-2(lines 744 752) no Hoare annotation was computed. [2019-12-07 10:19:36,753 INFO L242 CegarLoopResult]: At program point L678-2(lines 708 714) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:19:36,754 INFO L246 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-12-07 10:19:36,754 INFO L246 CegarLoopResult]: For program point L546-1(lines 708 714) no Hoare annotation was computed. [2019-12-07 10:19:36,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:19:36 BoogieIcfgContainer [2019-12-07 10:19:36,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:19:36,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:19:36,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:19:36,771 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:19:36,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:19:34" (3/4) ... [2019-12-07 10:19:36,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:19:36,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:19:36,785 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:19:36,786 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:19:36,786 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:19:36,787 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:19:36,787 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:19:36,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:19:36,810 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:19:36,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9d6fd6ce-b01e-4e19-826e-b41f245467ee/bin/utaipan/witness.graphml [2019-12-07 10:19:36,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:19:36,846 INFO L168 Benchmark]: Toolchain (without parser) took 3587.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.0 MB in the beginning and 800.5 MB in the end (delta: 150.5 MB). Peak memory consumption was 275.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:36,846 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:19:36,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:36,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:36,847 INFO L168 Benchmark]: Boogie Preprocessor took 31.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:19:36,847 INFO L168 Benchmark]: RCFGBuilder took 474.99 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: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:36,847 INFO L168 Benchmark]: TraceAbstraction took 2579.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 807.3 MB in the end (delta: 213.2 MB). Peak memory consumption was 213.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:36,847 INFO L168 Benchmark]: Witness Printer took 74.14 ms. Allocated memory is still 1.2 GB. Free memory was 807.3 MB in the beginning and 800.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:19:36,848 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.40 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 474.99 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: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2579.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 807.3 MB in the end (delta: 213.2 MB). Peak memory consumption was 213.2 MB. Max. memory is 11.5 GB. * Witness Printer took 74.14 ms. Allocated memory is still 1.2 GB. Free memory was 807.3 MB in the beginning and 800.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: 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: 708]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 286 SDtfs, 365 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, 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, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 155 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1321 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 197 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 906 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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...