./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 f0335c6392c59c467837b14da92286fa43b99dfc ...................................................................................................................................... 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_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 f0335c6392c59c467837b14da92286fa43b99dfc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:58:27,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:58:27,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:58:27,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:58:27,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:58:27,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:58:27,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:58:27,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:58:27,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:58:27,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:58:27,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:58:27,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:58:27,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:58:27,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:58:27,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:58:27,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:58:27,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:58:27,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:58:27,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:58:27,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:58:27,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:58:27,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:58:27,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:58:27,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:58:27,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:58:27,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:58:27,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:58:27,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:58:27,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:58:27,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:58:27,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:58:27,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:58:27,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:58:27,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:58:27,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:58:27,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:58:27,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:58:27,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:58:27,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:58:27,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:58:27,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:58:27,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:58:27,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:58:27,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:58:27,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:58:27,751 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:58:27,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:58:27,752 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:58:27,753 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:58:27,753 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:58:27,753 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:58:27,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:58:27,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:58:27,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:58:27,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:58:27,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:58:27,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:58:27,755 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:58:27,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:58:27,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:58:27,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:58:27,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:58:27,756 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_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-12-07 14:58:27,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:58:27,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:58:27,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:58:27,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:58:27,868 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:58:27,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-12-07 14:58:27,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/e8dc6386d/71d8357ae6c24512a201376f3156bb0c/FLAG51d748108 [2019-12-07 14:58:28,344 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:58:28,345 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-12-07 14:58:28,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/e8dc6386d/71d8357ae6c24512a201376f3156bb0c/FLAG51d748108 [2019-12-07 14:58:28,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/e8dc6386d/71d8357ae6c24512a201376f3156bb0c [2019-12-07 14:58:28,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:58:28,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:58:28,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:28,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:58:28,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:58:28,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:28" (1/1) ... [2019-12-07 14:58:28,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33735268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:28, skipping insertion in model container [2019-12-07 14:58:28,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:28" (1/1) ... [2019-12-07 14:58:28,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:58:28,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:58:28,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:28,620 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 14:58:28,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6506e023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:28, skipping insertion in model container [2019-12-07 14:58:28,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:28,621 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:58:28,623 INFO L168 Benchmark]: Toolchain (without parser) took 259.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:28,623 INFO L168 Benchmark]: CDTParser took 0.16 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 14:58:28,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:28,625 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -192.6 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: 291]: 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 14:58:29,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:58:29,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:58:29,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:58:29,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:58:29,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:58:29,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:58:29,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:58:29,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:58:29,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:58:29,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:58:29,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:58:29,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:58:29,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:58:29,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:58:29,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:58:29,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:58:29,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:58:29,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:58:29,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:58:29,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:58:29,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:58:29,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:58:29,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:58:29,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:58:29,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:58:29,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:58:29,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:58:29,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:58:29,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:58:29,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:58:29,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:58:29,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:58:29,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:58:29,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:58:29,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:58:29,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:58:29,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:58:29,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:58:29,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:58:29,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:58:29,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:58:29,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:58:29,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:58:29,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:58:29,779 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:58:29,779 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:58:29,779 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:58:29,779 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:58:29,779 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:58:29,779 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:58:29,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:58:29,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:58:29,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:58:29,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:58:29,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:58:29,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:58:29,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:58:29,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:58:29,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:58:29,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:58:29,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:58:29,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:58:29,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:58:29,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:58:29,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:58:29,783 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:58:29,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:58:29,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:58:29,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:58:29,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:58:29,783 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_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-12-07 14:58:29,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:58:29,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:58:29,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:58:29,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:58:29,963 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:58:29,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-12-07 14:58:30,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/a0774a89b/b141029093f14d468c966cf16762d6c1/FLAG27b4ffed2 [2019-12-07 14:58:30,514 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:58:30,515 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-12-07 14:58:30,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/a0774a89b/b141029093f14d468c966cf16762d6c1/FLAG27b4ffed2 [2019-12-07 14:58:31,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/data/a0774a89b/b141029093f14d468c966cf16762d6c1 [2019-12-07 14:58:31,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:58:31,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:58:31,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:31,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:58:31,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:58:31,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31, skipping insertion in model container [2019-12-07 14:58:31,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:58:31,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:58:31,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:31,319 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:58:31,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:58:31,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:31,367 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:58:31,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:31,433 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:58:31,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31 WrapperNode [2019-12-07 14:58:31,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:31,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:58:31,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:58:31,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:58:31,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:58:31,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:58:31,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:58:31,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:58:31,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... [2019-12-07 14:58:31,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:58:31,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:58:31,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:58:31,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:58:31,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:58:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:58:32,011 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:58:32,011 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 14:58:32,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:32 BoogieIcfgContainer [2019-12-07 14:58:32,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:58:32,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:58:32,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:58:32,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:58:32,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:58:31" (1/3) ... [2019-12-07 14:58:32,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e3c2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:58:32, skipping insertion in model container [2019-12-07 14:58:32,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:31" (2/3) ... [2019-12-07 14:58:32,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e3c2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:58:32, skipping insertion in model container [2019-12-07 14:58:32,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:32" (3/3) ... [2019-12-07 14:58:32,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-12-07 14:58:32,025 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:58:32,030 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:58:32,038 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:58:32,054 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:58:32,054 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:58:32,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:58:32,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:58:32,054 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:58:32,054 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:58:32,055 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:58:32,055 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:58:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 14:58:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:58:32,070 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:32,071 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:32,071 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:32,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:32,075 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-12-07 14:58:32,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:32,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45994391] [2019-12-07 14:58:32,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:32,235 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:58:32,239 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:32,250 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 14:58:32,250 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:32,254 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 14:58:32,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45994391] [2019-12-07 14:58:32,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:32,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:58:32,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985239126] [2019-12-07 14:58:32,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:58:32,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:32,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:58:32,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:58:32,272 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 14:58:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:32,293 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 14:58:32,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:58:32,294 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:58:32,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:32,305 INFO L225 Difference]: With dead ends: 136 [2019-12-07 14:58:32,305 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 14:58:32,308 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 14:58:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 14:58:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 14:58:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 14:58:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 14:58:32,341 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 14:58:32,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:32,341 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 14:58:32,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:58:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 14:58:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:58:32,342 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:32,342 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 14:58:32,543 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:58:32,544 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:32,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:32,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-12-07 14:58:32,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:32,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860740190] [2019-12-07 14:58:32,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:32,777 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:58:32,779 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:32,792 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 14:58:32,792 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:32,800 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 14:58:32,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860740190] [2019-12-07 14:58:32,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:32,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:58:32,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799845513] [2019-12-07 14:58:32,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:58:32,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:32,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:58:32,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:58:32,803 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 14:58:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:32,812 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 14:58:32,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:58:32,813 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:58:32,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:32,814 INFO L225 Difference]: With dead ends: 67 [2019-12-07 14:58:32,814 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 14:58:32,814 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 14:58:32,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 14:58:32,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 14:58:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 14:58:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 14:58:32,819 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 14:58:32,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:32,820 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 14:58:32,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:58:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 14:58:32,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:58:32,821 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:32,821 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:33,022 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:58:33,023 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:33,024 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-12-07 14:58:33,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:33,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164594706] [2019-12-07 14:58:33,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:33,214 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:58:33,215 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:33,222 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 14:58:33,222 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:33,229 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 14:58:33,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164594706] [2019-12-07 14:58:33,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:33,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:58:33,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425053064] [2019-12-07 14:58:33,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:58:33,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:33,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:58:33,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:58:33,230 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 14:58:33,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:33,286 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 14:58:33,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:58:33,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:58:33,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:33,288 INFO L225 Difference]: With dead ends: 110 [2019-12-07 14:58:33,288 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 14:58:33,289 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 14:58:33,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 14:58:33,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 14:58:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 14:58:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 14:58:33,299 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 14:58:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:33,300 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 14:58:33,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:58:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 14:58:33,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:58:33,301 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:33,301 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 14:58:33,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:58:33,503 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:33,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:33,503 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-12-07 14:58:33,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:33,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113911681] [2019-12-07 14:58:33,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:33,659 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:58:33,660 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:33,676 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 14:58:33,676 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:33,700 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 14:58:33,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113911681] [2019-12-07 14:58:33,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:33,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 14:58:33,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116754282] [2019-12-07 14:58:33,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:58:33,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:33,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:58:33,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:58:33,701 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2019-12-07 14:58:33,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:33,882 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2019-12-07 14:58:33,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:58:33,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 14:58:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:33,885 INFO L225 Difference]: With dead ends: 351 [2019-12-07 14:58:33,885 INFO L226 Difference]: Without dead ends: 305 [2019-12-07 14:58:33,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 14:58:33,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-12-07 14:58:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2019-12-07 14:58:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 14:58:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2019-12-07 14:58:33,911 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2019-12-07 14:58:33,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:33,912 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2019-12-07 14:58:33,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:58:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2019-12-07 14:58:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:58:33,913 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:33,913 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 14:58:34,114 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:58:34,115 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:34,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:34,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2019-12-07 14:58:34,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:34,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088628227] [2019-12-07 14:58:34,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:34,303 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:58:34,304 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:34,309 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 14:58:34,309 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:34,311 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 14:58:34,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088628227] [2019-12-07 14:58:34,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:34,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:58:34,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538791717] [2019-12-07 14:58:34,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:58:34,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:34,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:58:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:58:34,312 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2019-12-07 14:58:34,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:34,495 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2019-12-07 14:58:34,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:58:34,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 14:58:34,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:34,496 INFO L225 Difference]: With dead ends: 342 [2019-12-07 14:58:34,496 INFO L226 Difference]: Without dead ends: 218 [2019-12-07 14:58:34,498 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 14:58:34,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-07 14:58:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2019-12-07 14:58:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 14:58:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2019-12-07 14:58:34,521 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2019-12-07 14:58:34,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:34,521 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2019-12-07 14:58:34,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:58:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2019-12-07 14:58:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 14:58:34,523 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:34,523 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 14:58:34,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:58:34,725 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:34,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:34,726 INFO L82 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2019-12-07 14:58:34,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:34,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805903748] [2019-12-07 14:58:34,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:34,888 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:58:34,890 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:34,894 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 14:58:34,895 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:58:34,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805903748] [2019-12-07 14:58:34,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:34,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:58:34,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495352310] [2019-12-07 14:58:34,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:58:34,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:34,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:58:34,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:58:34,898 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand 3 states. [2019-12-07 14:58:34,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:34,914 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2019-12-07 14:58:34,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:58:34,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 14:58:34,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:34,915 INFO L225 Difference]: With dead ends: 325 [2019-12-07 14:58:34,915 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 14:58:34,916 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 14:58:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 14:58:34,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 14:58:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 14:58:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 14:58:34,938 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 14:58:34,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:34,938 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 14:58:34,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:58:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 14:58:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 14:58:34,939 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:34,939 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 14:58:35,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:58:35,141 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:35,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:35,142 INFO L82 PathProgramCache]: Analyzing trace with hash -647079898, now seen corresponding path program 1 times [2019-12-07 14:58:35,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:58:35,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262575894] [2019-12-07 14:58:35,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:35,287 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:58:35,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:35,299 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 14:58:35,299 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:35,318 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 14:58:35,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262575894] [2019-12-07 14:58:35,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1545078664] [2019-12-07 14:58:35,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/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 14:58:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:35,403 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:58:35,405 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:35,427 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 14:58:35,427 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:58:35,430 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 14:58:35,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:35,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 14:58:35,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947632149] [2019-12-07 14:58:35,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:58:35,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:58:35,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:58:35,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:58:35,431 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 14:58:35,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:35,506 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 14:58:35,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:58:35,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 14:58:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:35,507 INFO L225 Difference]: With dead ends: 235 [2019-12-07 14:58:35,507 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:58:35,508 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 14:58:35,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:58:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:58:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:58:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:58:35,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 14:58:35,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:35,509 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:58:35,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:58:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:58:35,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:58:35,910 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 14:58:35,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L242 CegarLoopResult]: At program point L151(lines 1 893) 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 14:58:36,171 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L246 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-12-07 14:58:36,171 INFO L242 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,172 INFO L246 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-12-07 14:58:36,172 INFO L246 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L865-1(lines 668 674) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,172 INFO L246 CegarLoopResult]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-12-07 14:58:36,172 INFO L246 CegarLoopResult]: For program point L700-1(lines 700 717) no Hoare annotation was computed. [2019-12-07 14:58:36,172 INFO L246 CegarLoopResult]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 14:58:36,172 INFO L242 CegarLoopResult]: At program point L668(lines 667 686) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,173 INFO L246 CegarLoopResult]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2019-12-07 14:58:36,173 INFO L242 CegarLoopResult]: At program point L668-2(lines 667 686) the Hoare annotation is: false [2019-12-07 14:58:36,173 INFO L242 CegarLoopResult]: At program point L668-3(lines 667 686) the Hoare annotation is: false [2019-12-07 14:58:36,173 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:58:36,173 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-12-07 14:58:36,173 INFO L242 CegarLoopResult]: At program point L753(lines 748 756) 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 14:58:36,173 INFO L242 CegarLoopResult]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-12-07 14:58:36,173 INFO L242 CegarLoopResult]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-12-07 14:58:36,173 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 14:58:36,173 INFO L249 CegarLoopResult]: At program point L258(lines 239 261) the Hoare annotation is: true [2019-12-07 14:58:36,173 INFO L242 CegarLoopResult]: At program point L225(lines 221 227) 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 14:58:36,173 INFO L246 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-12-07 14:58:36,173 INFO L242 CegarLoopResult]: At program point L159(lines 154 162) 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 14:58:36,174 INFO L246 CegarLoopResult]: For program point L704-1(lines 704 712) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L176-2(lines 176 190) the Hoare annotation is: false [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L837-1(lines 837 843) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L639-1(lines 1 893) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point L639-2(lines 639 652) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L639-3(lines 1 893) the Hoare annotation is: false [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point L639-4(lines 639 652) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L639-5(lines 1 893) the Hoare annotation is: false [2019-12-07 14:58:36,174 INFO L246 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L675(lines 675 681) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:58:36,174 INFO L242 CegarLoopResult]: At program point L675-1(lines 675 681) the Hoare annotation is: false [2019-12-07 14:58:36,175 INFO L242 CegarLoopResult]: At program point L675-2(lines 675 681) the Hoare annotation is: false [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L890-2(line 890) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L180-1(lines 668 674) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-12-07 14:58:36,175 INFO L242 CegarLoopResult]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-12-07 14:58:36,175 INFO L242 CegarLoopResult]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-12-07 14:58:36,176 INFO L242 CegarLoopResult]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-12-07 14:58:36,176 INFO L246 CegarLoopResult]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-12-07 14:58:36,176 INFO L249 CegarLoopResult]: At program point L249-1(lines 249 256) the Hoare annotation is: true [2019-12-07 14:58:36,176 INFO L242 CegarLoopResult]: At program point L877(lines 826 878) the Hoare annotation is: false [2019-12-07 14:58:36,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:58:36 BoogieIcfgContainer [2019-12-07 14:58:36,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:58:36,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:58:36,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:58:36,188 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:58:36,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:32" (3/4) ... [2019-12-07 14:58:36,191 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:58:36,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:58:36,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:58:36,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:58:36,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:58:36,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:58:36,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:58:36,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:58:36,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 14:58:36,251 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9ee7bd96-e3ad-4a13-93a7-944ace6a9a13/bin/utaipan/witness.graphml [2019-12-07 14:58:36,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:58:36,252 INFO L168 Benchmark]: Toolchain (without parser) took 5191.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -73.1 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:36,252 INFO L168 Benchmark]: CDTParser took 0.17 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 14:58:36,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:36,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.32 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:36,253 INFO L168 Benchmark]: Boogie Preprocessor took 27.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:58:36,253 INFO L168 Benchmark]: RCFGBuilder took 507.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.7 MB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:36,253 INFO L168 Benchmark]: TraceAbstraction took 4174.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.3 MB). Free memory was 980.7 MB in the beginning and 1.0 GB in the end (delta: -52.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:36,253 INFO L168 Benchmark]: Witness Printer took 63.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:36,255 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.32 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 507.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.7 MB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4174.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.3 MB). Free memory was 980.7 MB in the beginning and 1.0 GB in the end (delta: -52.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Witness Printer took 63.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 154]: 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 && splverifierCounter == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 407 SDtfs, 620 SDslu, 594 SDs, 0 SdLazy, 116 SolverSat, 25 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=216occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 208 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 24284 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...