./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ...................................................................................................................................... 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_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:55:23,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:55:23,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:55:23,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:55:23,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:55:23,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:55:23,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:55:23,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:55:23,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:55:23,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:55:23,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:55:23,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:55:23,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:55:23,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:55:23,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:55:23,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:55:23,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:55:23,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:55:23,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:55:23,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:55:23,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:55:23,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:55:23,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:55:23,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:55:23,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:55:23,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:55:23,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:55:23,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:55:23,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:55:23,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:55:23,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:55:23,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:55:23,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:55:23,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:55:23,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:55:23,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:55:23,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:55:23,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:55:23,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:55:23,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:55:23,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:55:23,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:55:23,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:55:23,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:55:23,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:55:23,586 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:55:23,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:55:23,587 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:55:23,587 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:55:23,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:55:23,588 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:55:23,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:55:23,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:55:23,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:55:23,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:55:23,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:55:23,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:55:23,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:55:23,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:55:23,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:55:23,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:55:23,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:55:23,591 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_71ecc057-e593-46ad-b31e-e42175020619/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-12-07 20:55:23,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:55:23,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:55:23,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:55:23,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:55:23,704 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:55:23,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-07 20:55:23,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/0bb4083f3/be008303cd7a468d919c2695bf357788/FLAG5ede6e50d [2019-12-07 20:55:24,126 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:55:24,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-07 20:55:24,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/0bb4083f3/be008303cd7a468d919c2695bf357788/FLAG5ede6e50d [2019-12-07 20:55:24,143 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/0bb4083f3/be008303cd7a468d919c2695bf357788 [2019-12-07 20:55:24,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:55:24,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:55:24,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:55:24,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:55:24,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:55:24,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:55:24" (1/1) ... [2019-12-07 20:55:24,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:24, skipping insertion in model container [2019-12-07 20:55:24,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:55:24" (1/1) ... [2019-12-07 20:55:24,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:55:24,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:55:24,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:55:24,421 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 20:55:24,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26725796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:24, skipping insertion in model container [2019-12-07 20:55:24,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:55:24,422 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:55:24,423 INFO L168 Benchmark]: Toolchain (without parser) took 276.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:24,424 INFO L168 Benchmark]: CDTParser took 0.17 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 20:55:24,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:24,426 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 301]: 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 20:55:25,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:55:25,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:55:25,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:55:25,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:55:25,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:55:25,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:55:25,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:55:25,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:55:25,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:55:25,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:55:25,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:55:25,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:55:25,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:55:25,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:55:25,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:55:25,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:55:25,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:55:25,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:55:25,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:55:25,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:55:25,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:55:25,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:55:25,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:55:25,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:55:25,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:55:25,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:55:25,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:55:25,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:55:25,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:55:25,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:55:25,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:55:25,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:55:25,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:55:25,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:55:25,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:55:25,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:55:25,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:55:25,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:55:25,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:55:25,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:55:25,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:55:25,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:55:25,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:55:25,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:55:25,622 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:55:25,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:55:25,623 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:55:25,623 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:55:25,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:55:25,623 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:55:25,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:55:25,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:55:25,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:55:25,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:55:25,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:55:25,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:55:25,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:55:25,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:55:25,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:55:25,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:55:25,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:55:25,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:55:25,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:55:25,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:55:25,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:55:25,627 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_71ecc057-e593-46ad-b31e-e42175020619/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-12-07 20:55:25,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:55:25,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:55:25,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:55:25,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:55:25,814 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:55:25,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-07 20:55:25,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/96cda5c95/db4b145edc1b48ebbcf3d9c9420eefba/FLAGceebf8ea0 [2019-12-07 20:55:26,339 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:55:26,340 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-07 20:55:26,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/96cda5c95/db4b145edc1b48ebbcf3d9c9420eefba/FLAGceebf8ea0 [2019-12-07 20:55:26,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/data/96cda5c95/db4b145edc1b48ebbcf3d9c9420eefba [2019-12-07 20:55:26,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:55:26,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:55:26,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:55:26,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:55:26,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:55:26,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26, skipping insertion in model container [2019-12-07 20:55:26,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:55:26,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:55:26,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:55:26,620 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:55:26,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:55:26,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:55:26,669 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:55:26,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:55:26,730 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:55:26,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26 WrapperNode [2019-12-07 20:55:26,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:55:26,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:55:26,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:55:26,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:55:26,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:55:26,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:55:26,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:55:26,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:55:26,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... [2019-12-07 20:55:26,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:55:26,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:55:26,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:55:26,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:55:26,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:55:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:55:26,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:55:26,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:55:27,291 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:55:27,292 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 20:55:27,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:55:27 BoogieIcfgContainer [2019-12-07 20:55:27,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:55:27,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:55:27,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:55:27,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:55:27,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:55:26" (1/3) ... [2019-12-07 20:55:27,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cee425d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:55:27, skipping insertion in model container [2019-12-07 20:55:27,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:26" (2/3) ... [2019-12-07 20:55:27,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cee425d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:55:27, skipping insertion in model container [2019-12-07 20:55:27,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:55:27" (3/3) ... [2019-12-07 20:55:27,298 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-12-07 20:55:27,305 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:55:27,310 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:55:27,318 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:55:27,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:55:27,335 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:55:27,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:55:27,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:55:27,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:55:27,335 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:55:27,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:55:27,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:55:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 20:55:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:55:27,350 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:27,351 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:27,351 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:27,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:27,355 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-12-07 20:55:27,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:27,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552470238] [2019-12-07 20:55:27,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:27,494 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:55:27,498 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:27,508 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 20:55:27,508 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:27,512 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 20:55:27,512 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552470238] [2019-12-07 20:55:27,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:27,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:55:27,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595604652] [2019-12-07 20:55:27,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:55:27,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:27,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:55:27,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:55:27,532 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 20:55:27,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:27,551 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 20:55:27,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:55:27,553 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:55:27,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:27,563 INFO L225 Difference]: With dead ends: 148 [2019-12-07 20:55:27,564 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 20:55:27,567 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 20:55:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 20:55:27,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 20:55:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 20:55:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 20:55:27,598 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-12-07 20:55:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:27,598 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 20:55:27,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:55:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 20:55:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:55:27,599 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:27,600 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 20:55:27,800 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:55:27,801 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:27,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:27,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-12-07 20:55:27,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:27,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728077836] [2019-12-07 20:55:27,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:27,982 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:55:27,984 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:28,000 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 20:55:28,000 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:28,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728077836] [2019-12-07 20:55:28,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:28,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:55:28,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969207328] [2019-12-07 20:55:28,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:55:28,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:28,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:55:28,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:55:28,013 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 20:55:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:28,025 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 20:55:28,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:28,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:55:28,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:28,026 INFO L225 Difference]: With dead ends: 73 [2019-12-07 20:55:28,027 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 20:55:28,027 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 20:55:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 20:55:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 20:55:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 20:55:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 20:55:28,032 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-12-07 20:55:28,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:28,032 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 20:55:28,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:55:28,032 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 20:55:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:55:28,033 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:28,033 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 20:55:28,233 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:55:28,234 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:28,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-12-07 20:55:28,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:28,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630340407] [2019-12-07 20:55:28,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:28,417 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:55:28,418 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:28,426 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 20:55:28,426 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:28,431 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 20:55:28,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630340407] [2019-12-07 20:55:28,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:28,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:55:28,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921318363] [2019-12-07 20:55:28,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:55:28,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:28,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:55:28,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:55:28,433 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 20:55:28,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:28,479 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2019-12-07 20:55:28,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:55:28,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:55:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:28,480 INFO L225 Difference]: With dead ends: 116 [2019-12-07 20:55:28,480 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 20:55:28,481 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 20:55:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 20:55:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2019-12-07 20:55:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 20:55:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-12-07 20:55:28,488 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-12-07 20:55:28,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:28,488 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-12-07 20:55:28,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:55:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-12-07 20:55:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:55:28,489 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:28,489 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 20:55:28,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:55:28,690 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:28,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:28,690 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-12-07 20:55:28,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:28,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481556029] [2019-12-07 20:55:28,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:28,864 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:55:28,865 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:28,881 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:28,908 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 20:55:28,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481556029] [2019-12-07 20:55:28,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:28,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:55:28,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672586427] [2019-12-07 20:55:28,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:55:28,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:28,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:55:28,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:55:28,910 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2019-12-07 20:55:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:29,115 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2019-12-07 20:55:29,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:55:29,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 20:55:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:29,119 INFO L225 Difference]: With dead ends: 373 [2019-12-07 20:55:29,119 INFO L226 Difference]: Without dead ends: 325 [2019-12-07 20:55:29,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:55:29,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-12-07 20:55:29,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2019-12-07 20:55:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-12-07 20:55:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-12-07 20:55:29,146 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2019-12-07 20:55:29,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:29,146 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-12-07 20:55:29,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:55:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-12-07 20:55:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:55:29,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:29,148 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 20:55:29,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:55:29,349 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:29,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2019-12-07 20:55:29,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:29,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037714499] [2019-12-07 20:55:29,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:29,517 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:55:29,518 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:29,523 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 20:55:29,523 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:29,525 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 20:55:29,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037714499] [2019-12-07 20:55:29,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:29,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:55:29,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373825037] [2019-12-07 20:55:29,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:29,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:29,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:29,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:29,526 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2019-12-07 20:55:29,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:29,693 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2019-12-07 20:55:29,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:29,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 20:55:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:29,694 INFO L225 Difference]: With dead ends: 354 [2019-12-07 20:55:29,694 INFO L226 Difference]: Without dead ends: 224 [2019-12-07 20:55:29,695 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 20:55:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-12-07 20:55:29,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2019-12-07 20:55:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-12-07 20:55:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2019-12-07 20:55:29,714 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2019-12-07 20:55:29,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:29,714 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2019-12-07 20:55:29,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2019-12-07 20:55:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:55:29,716 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:29,716 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 20:55:29,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:55:29,917 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:29,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:29,917 INFO L82 PathProgramCache]: Analyzing trace with hash -2101366400, now seen corresponding path program 1 times [2019-12-07 20:55:29,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:29,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705411084] [2019-12-07 20:55:29,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:30,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:55:30,033 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:30,038 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 20:55:30,038 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:30,041 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 20:55:30,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705411084] [2019-12-07 20:55:30,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:30,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:55:30,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112764267] [2019-12-07 20:55:30,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:30,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:30,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:30,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:30,042 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand 3 states. [2019-12-07 20:55:30,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:30,061 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2019-12-07 20:55:30,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:30,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 20:55:30,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:30,062 INFO L225 Difference]: With dead ends: 331 [2019-12-07 20:55:30,062 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 20:55:30,064 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 20:55:30,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 20:55:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 20:55:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 20:55:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 20:55:30,077 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 20:55:30,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:30,077 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 20:55:30,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:30,088 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 20:55:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 20:55:30,090 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:30,090 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 20:55:30,290 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:55:30,291 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:55:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:30,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2019-12-07 20:55:30,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:55:30,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95401109] [2019-12-07 20:55:30,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:30,424 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:55:30,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:30,437 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 20:55:30,437 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:30,458 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 20:55:30,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95401109] [2019-12-07 20:55:30,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [108650510] [2019-12-07 20:55:30,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/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 20:55:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:30,548 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:55:30,549 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:30,572 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 20:55:30,572 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:30,575 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 20:55:30,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:55:30,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 20:55:30,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681575129] [2019-12-07 20:55:30,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:55:30,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:55:30,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:55:30,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:55:30,576 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 20:55:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:30,651 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 20:55:30,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:55:30,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 20:55:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:30,652 INFO L225 Difference]: With dead ends: 235 [2019-12-07 20:55:30,652 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:55:30,653 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 20:55:30,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:55:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:55:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:55:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:55:30,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 20:55:30,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:30,654 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:55:30,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:55:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:55:30,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:55:31,054 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 20:55:31,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:55:31,284 INFO L246 CegarLoopResult]: For program point L894(lines 894 909) no Hoare annotation was computed. [2019-12-07 20:55:31,284 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-12-07 20:55:31,284 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:55:31,285 INFO L249 CegarLoopResult]: At program point L268(lines 249 271) the Hoare annotation is: true [2019-12-07 20:55:31,285 INFO L242 CegarLoopResult]: At program point L235(lines 231 237) 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 20:55:31,285 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: false [2019-12-07 20:55:31,285 INFO L242 CegarLoopResult]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2019-12-07 20:55:31,285 INFO L246 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-12-07 20:55:31,285 INFO L242 CegarLoopResult]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2019-12-07 20:55:31,285 INFO L242 CegarLoopResult]: At program point L186-2(lines 186 200) the Hoare annotation is: false [2019-12-07 20:55:31,285 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-12-07 20:55:31,285 INFO L242 CegarLoopResult]: At program point L914(lines 863 915) the Hoare annotation is: false [2019-12-07 20:55:31,285 INFO L246 CegarLoopResult]: For program point L865(lines 864 913) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) 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 20:55:31,286 INFO L246 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L242 CegarLoopResult]: At program point L834-1(lines 834 840) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L190-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2019-12-07 20:55:31,286 INFO L246 CegarLoopResult]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2019-12-07 20:55:31,287 INFO L246 CegarLoopResult]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2019-12-07 20:55:31,287 INFO L246 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-12-07 20:55:31,287 INFO L242 CegarLoopResult]: At program point L884-1(lines 884 890) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,287 INFO L242 CegarLoopResult]: At program point L686(lines 685 704) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,287 INFO L246 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 20:55:31,287 INFO L242 CegarLoopResult]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-12-07 20:55:31,287 INFO L242 CegarLoopResult]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-12-07 20:55:31,287 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-12-07 20:55:31,287 INFO L246 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-12-07 20:55:31,287 INFO L242 CegarLoopResult]: At program point L902-1(lines 686 692) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,287 INFO L246 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L246 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L246 CegarLoopResult]: For program point L820-3(lines 820 824) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L246 CegarLoopResult]: For program point L820-5(lines 820 824) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L246 CegarLoopResult]: For program point L820-6(lines 820 824) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L246 CegarLoopResult]: For program point L820-8(lines 820 824) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L246 CegarLoopResult]: For program point L259(lines 259 266) no Hoare annotation was computed. [2019-12-07 20:55:31,288 INFO L242 CegarLoopResult]: At program point L771(lines 766 774) 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 20:55:31,288 INFO L242 CegarLoopResult]: At program point L771-1(lines 766 774) the Hoare annotation is: false [2019-12-07 20:55:31,288 INFO L249 CegarLoopResult]: At program point L259-1(lines 259 266) the Hoare annotation is: true [2019-12-07 20:55:31,288 INFO L242 CegarLoopResult]: At program point L771-2(lines 766 774) the Hoare annotation is: false [2019-12-07 20:55:31,288 INFO L242 CegarLoopResult]: At program point L160(lines 155 163) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,288 INFO L242 CegarLoopResult]: At program point L160-1(lines 155 163) the Hoare annotation is: false [2019-12-07 20:55:31,288 INFO L242 CegarLoopResult]: At program point L160-2(lines 155 163) the Hoare annotation is: false [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L657(lines 657 670) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L242 CegarLoopResult]: At program point L657-1(lines 1 921) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L657-2(lines 657 670) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L242 CegarLoopResult]: At program point L657-3(lines 1 921) the Hoare annotation is: false [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L657-4(lines 657 670) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L242 CegarLoopResult]: At program point L657-5(lines 1 921) the Hoare annotation is: false [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-12-07 20:55:31,289 INFO L242 CegarLoopResult]: At program point L874-1(lines 874 880) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,289 INFO L246 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2019-12-07 20:55:31,290 INFO L246 CegarLoopResult]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L65(lines 1 921) 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 20:55:31,290 INFO L246 CegarLoopResult]: For program point L643-2(line 643) no Hoare annotation was computed. [2019-12-07 20:55:31,290 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:55:31,290 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-12-07 20:55:31,290 INFO L246 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L826(lines 811 829) the Hoare annotation is: false [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L826-1(lines 811 829) the Hoare annotation is: false [2019-12-07 20:55:31,290 INFO L242 CegarLoopResult]: At program point L826-2(lines 811 829) the Hoare annotation is: false [2019-12-07 20:55:31,291 INFO L246 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2019-12-07 20:55:31,291 INFO L246 CegarLoopResult]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2019-12-07 20:55:31,291 INFO L246 CegarLoopResult]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2019-12-07 20:55:31,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:55:31 BoogieIcfgContainer [2019-12-07 20:55:31,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:55:31,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:55:31,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:55:31,303 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:55:31,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:55:27" (3/4) ... [2019-12-07 20:55:31,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:55:31,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:55:31,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:55:31,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:55:31,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:55:31,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:55:31,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:55:31,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:55:31,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:55:31,377 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_71ecc057-e593-46ad-b31e-e42175020619/bin/utaipan/witness.graphml [2019-12-07 20:55:31,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:55:31,379 INFO L168 Benchmark]: Toolchain (without parser) took 5018.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -98.2 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:31,379 INFO L168 Benchmark]: CDTParser took 0.16 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 20:55:31,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:31,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:31,380 INFO L168 Benchmark]: Boogie Preprocessor took 26.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:55:31,381 INFO L168 Benchmark]: RCFGBuilder took 494.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:31,381 INFO L168 Benchmark]: TraceAbstraction took 4009.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -42.6 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:31,381 INFO L168 Benchmark]: Witness Printer took 73.95 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:31,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 370.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 494.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4009.72 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -42.6 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Witness Printer took 73.95 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: 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: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 429 SDtfs, 769 SDslu, 545 SDs, 0 SdLazy, 122 SolverSat, 29 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, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 23144 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1503 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...