./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.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_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/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 e5628f313afbfffa53e61454ca424855ee3b0eb7 ...................................................................................................................................... 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_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/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 e5628f313afbfffa53e61454ca424855ee3b0eb7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:59:26,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:59:26,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:59:26,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:59:26,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:59:26,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:59:26,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:59:26,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:59:26,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:59:26,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:59:26,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:59:26,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:59:26,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:59:26,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:59:26,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:59:26,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:59:26,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:59:26,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:59:26,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:59:26,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:59:26,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:59:26,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:59:26,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:59:26,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:59:26,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:59:26,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:59:26,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:59:26,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:59:26,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:59:26,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:59:26,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:59:26,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:59:26,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:59:26,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:59:26,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:59:26,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:59:26,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:59:26,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:59:26,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:59:26,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:59:26,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:59:26,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:59:26,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:59:26,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:59:26,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:59:26,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:59:26,739 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:59:26,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:59:26,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:59:26,740 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:59:26,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:59:26,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:59:26,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:59:26,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:59:26,741 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:59:26,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:59:26,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:59:26,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:59:26,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:59:26,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:59:26,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:59:26,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:59:26,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:59:26,743 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:59:26,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:59:26,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:59:26,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:59:26,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:59:26,743 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_d9124ab8-df9b-433d-9e0c-75c8e07ad087/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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2019-12-07 13:59:26,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:59:26,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:59:26,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:59:26,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:59:26,855 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:59:26,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-12-07 13:59:26,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/a9637942c/3590bd80294c453dac66853dfffb5eb6/FLAGa9722d270 [2019-12-07 13:59:27,292 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:59:27,292 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-12-07 13:59:27,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/a9637942c/3590bd80294c453dac66853dfffb5eb6/FLAGa9722d270 [2019-12-07 13:59:27,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/a9637942c/3590bd80294c453dac66853dfffb5eb6 [2019-12-07 13:59:27,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:59:27,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:59:27,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:59:27,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:59:27,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:59:27,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:59:27" (1/1) ... [2019-12-07 13:59:27,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600b9788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:27, skipping insertion in model container [2019-12-07 13:59:27,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:59:27" (1/1) ... [2019-12-07 13:59:27,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:59:27,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:59:27,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:27,573 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 13:59:27,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59952116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:27, skipping insertion in model container [2019-12-07 13:59:27,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:59:27,574 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:59:27,576 INFO L168 Benchmark]: Toolchain (without parser) took 261.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:27,577 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:59:27,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:27,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 207]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:59:28,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:59:28,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:59:28,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:59:28,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:59:28,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:59:28,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:59:28,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:59:28,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:59:28,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:59:28,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:59:28,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:59:28,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:59:28,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:59:28,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:59:28,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:59:28,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:59:28,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:59:28,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:59:28,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:59:28,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:59:28,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:59:28,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:59:28,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:59:28,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:59:28,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:59:28,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:59:28,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:59:28,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:59:28,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:59:28,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:59:28,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:59:28,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:59:28,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:59:28,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:59:28,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:59:28,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:59:28,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:59:28,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:59:28,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:59:28,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:59:28,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:59:28,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:59:28,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:59:28,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:59:28,799 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:59:28,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:59:28,799 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:59:28,799 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:59:28,799 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:59:28,799 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:59:28,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:59:28,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:59:28,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:59:28,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:59:28,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:59:28,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:59:28,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:59:28,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:59:28,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:59:28,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:59:28,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:59:28,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:59:28,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:59:28,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:59:28,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:59:28,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:59:28,803 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:59:28,803 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:59:28,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:59:28,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:59:28,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:59:28,804 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_d9124ab8-df9b-433d-9e0c-75c8e07ad087/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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2019-12-07 13:59:28,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:59:28,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:59:28,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:59:28,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:59:28,976 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:59:28,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-12-07 13:59:29,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/eef70ab49/59bbc5763847402aaccedeeccf92e0e9/FLAGb648ec948 [2019-12-07 13:59:29,487 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:59:29,487 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2019-12-07 13:59:29,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/eef70ab49/59bbc5763847402aaccedeeccf92e0e9/FLAGb648ec948 [2019-12-07 13:59:29,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/data/eef70ab49/59bbc5763847402aaccedeeccf92e0e9 [2019-12-07 13:59:29,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:59:29,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:59:29,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:59:29,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:59:30,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:59:30,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:59:29" (1/1) ... [2019-12-07 13:59:30,003 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 01:59:30, skipping insertion in model container [2019-12-07 13:59:30,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:59:29" (1/1) ... [2019-12-07 13:59:30,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:59:30,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:59:30,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:30,281 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:59:30,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:59:30,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:30,328 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:59:30,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:30,390 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:59:30,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30 WrapperNode [2019-12-07 13:59:30,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:59:30,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:59:30,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:59:30,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:59:30,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:59:30,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:59:30,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:59:30,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:59:30,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... [2019-12-07 13:59:30,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:59:30,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:59:30,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:59:30,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:59:30,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:59:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:59:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:59:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:59:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:59:31,161 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:59:31,161 INFO L287 CfgBuilder]: Removed 198 assume(true) statements. [2019-12-07 13:59:31,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:59:31 BoogieIcfgContainer [2019-12-07 13:59:31,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:59:31,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:59:31,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:59:31,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:59:31,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:59:29" (1/3) ... [2019-12-07 13:59:31,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a5f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:59:31, skipping insertion in model container [2019-12-07 13:59:31,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:30" (2/3) ... [2019-12-07 13:59:31,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a5f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:59:31, skipping insertion in model container [2019-12-07 13:59:31,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:59:31" (3/3) ... [2019-12-07 13:59:31,168 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2019-12-07 13:59:31,174 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:59:31,179 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:59:31,186 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:59:31,203 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:59:31,203 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:59:31,203 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:59:31,204 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:59:31,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:59:31,204 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:59:31,204 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:59:31,204 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:59:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-12-07 13:59:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 13:59:31,220 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:31,221 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:31,221 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2019-12-07 13:59:31,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:31,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138766131] [2019-12-07 13:59:31,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:31,359 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:59:31,362 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:31,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:31,372 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:31,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138766131] [2019-12-07 13:59:31,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:31,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:59:31,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933422866] [2019-12-07 13:59:31,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:59:31,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:31,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:59:31,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:59:31,391 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-12-07 13:59:31,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:31,414 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-12-07 13:59:31,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:59:31,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 13:59:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:31,424 INFO L225 Difference]: With dead ends: 268 [2019-12-07 13:59:31,424 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 13:59:31,427 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:59:31,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 13:59:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-12-07 13:59:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-12-07 13:59:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-12-07 13:59:31,460 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-12-07 13:59:31,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:31,461 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-12-07 13:59:31,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:59:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-12-07 13:59:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:59:31,462 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:31,462 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:31,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:59:31,662 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:31,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:31,663 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2019-12-07 13:59:31,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:31,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644243520] [2019-12-07 13:59:31,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:31,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:31,775 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:31,791 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:31,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644243520] [2019-12-07 13:59:31,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:31,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:59:31,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405242342] [2019-12-07 13:59:31,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:59:31,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:31,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:59:31,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:31,805 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 4 states. [2019-12-07 13:59:31,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:31,820 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-12-07 13:59:31,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:31,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 13:59:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:31,822 INFO L225 Difference]: With dead ends: 133 [2019-12-07 13:59:31,822 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 13:59:31,823 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 13:59:31,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 13:59:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 13:59:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-12-07 13:59:31,828 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-12-07 13:59:31,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:31,829 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-12-07 13:59:31,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:59:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-12-07 13:59:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:59:31,830 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:31,830 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:32,030 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:59:32,031 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:32,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:32,032 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2019-12-07 13:59:32,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:32,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808944729] [2019-12-07 13:59:32,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:32,169 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:32,171 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:32,178 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:32,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808944729] [2019-12-07 13:59:32,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:32,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:59:32,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228544535] [2019-12-07 13:59:32,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:59:32,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:32,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:59:32,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:32,185 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 4 states. [2019-12-07 13:59:32,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:32,245 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-12-07 13:59:32,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:59:32,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 13:59:32,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:32,248 INFO L225 Difference]: With dead ends: 176 [2019-12-07 13:59:32,248 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 13:59:32,249 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:32,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 13:59:32,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-12-07 13:59:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 13:59:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-12-07 13:59:32,259 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-12-07 13:59:32,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:32,259 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-12-07 13:59:32,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:59:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-12-07 13:59:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:59:32,260 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:32,260 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:32,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:59:32,461 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:32,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:32,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2019-12-07 13:59:32,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:32,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297076201] [2019-12-07 13:59:32,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:32,644 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:32,645 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:32,651 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:32,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297076201] [2019-12-07 13:59:32,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:32,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:59:32,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790851079] [2019-12-07 13:59:32,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:59:32,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:32,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:59:32,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:59:32,655 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-12-07 13:59:32,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:32,719 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-12-07 13:59:32,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:32,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 13:59:32,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:32,721 INFO L225 Difference]: With dead ends: 163 [2019-12-07 13:59:32,721 INFO L226 Difference]: Without dead ends: 95 [2019-12-07 13:59:32,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:59:32,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-07 13:59:32,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-12-07 13:59:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-12-07 13:59:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-12-07 13:59:32,732 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-12-07 13:59:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:32,733 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-12-07 13:59:32,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:59:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-12-07 13:59:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:59:32,734 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:32,734 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] [2019-12-07 13:59:32,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:59:32,935 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:32,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:32,936 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2019-12-07 13:59:32,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:32,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364797251] [2019-12-07 13:59:32,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:33,104 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:33,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:33,118 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:33,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364797251] [2019-12-07 13:59:33,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:33,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:59:33,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669039541] [2019-12-07 13:59:33,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:59:33,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:33,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:59:33,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:59:33,146 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 8 states. [2019-12-07 13:59:33,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:33,425 INFO L93 Difference]: Finished difference Result 686 states and 999 transitions. [2019-12-07 13:59:33,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:59:33,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 13:59:33,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:33,428 INFO L225 Difference]: With dead ends: 686 [2019-12-07 13:59:33,428 INFO L226 Difference]: Without dead ends: 599 [2019-12-07 13:59:33,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:59:33,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-12-07 13:59:33,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 231. [2019-12-07 13:59:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-12-07 13:59:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2019-12-07 13:59:33,451 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2019-12-07 13:59:33,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:33,451 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2019-12-07 13:59:33,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:59:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2019-12-07 13:59:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-07 13:59:33,453 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:33,453 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:33,653 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:59:33,654 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:33,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:33,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2071461866, now seen corresponding path program 1 times [2019-12-07 13:59:33,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:33,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69881771] [2019-12-07 13:59:33,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:33,812 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:59:33,813 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:33,826 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:33,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69881771] [2019-12-07 13:59:33,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [177469287] [2019-12-07 13:59:33,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:59:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:33,953 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:33,954 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:59:33,975 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:59:33,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:59:33,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 13:59:33,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984163137] [2019-12-07 13:59:33,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:59:33,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:33,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:59:33,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:59:33,981 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 5 states. [2019-12-07 13:59:34,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:34,126 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2019-12-07 13:59:34,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:59:34,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-12-07 13:59:34,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:34,129 INFO L225 Difference]: With dead ends: 555 [2019-12-07 13:59:34,129 INFO L226 Difference]: Without dead ends: 553 [2019-12-07 13:59:34,130 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:59:34,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-12-07 13:59:34,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 231. [2019-12-07 13:59:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-12-07 13:59:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2019-12-07 13:59:34,146 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 41 [2019-12-07 13:59:34,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:34,146 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2019-12-07 13:59:34,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:59:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2019-12-07 13:59:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 13:59:34,147 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:34,147 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:34,548 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:59:34,550 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:34,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:34,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1887758518, now seen corresponding path program 1 times [2019-12-07 13:59:34,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:34,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156520936] [2019-12-07 13:59:34,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:34,669 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:59:34,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:34,682 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:34,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156520936] [2019-12-07 13:59:34,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1888873821] [2019-12-07 13:59:34,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:59:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:34,798 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:34,800 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:59:34,823 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:59:34,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:59:34,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 13:59:34,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919312756] [2019-12-07 13:59:34,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:59:34,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:34,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:59:34,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:59:34,828 INFO L87 Difference]: Start difference. First operand 231 states and 320 transitions. Second operand 5 states. [2019-12-07 13:59:34,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:34,894 INFO L93 Difference]: Finished difference Result 688 states and 945 transitions. [2019-12-07 13:59:34,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:59:34,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 13:59:34,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:34,897 INFO L225 Difference]: With dead ends: 688 [2019-12-07 13:59:34,897 INFO L226 Difference]: Without dead ends: 463 [2019-12-07 13:59:34,898 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:59:34,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-12-07 13:59:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 246. [2019-12-07 13:59:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-12-07 13:59:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 335 transitions. [2019-12-07 13:59:34,920 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 335 transitions. Word has length 51 [2019-12-07 13:59:34,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:34,921 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 335 transitions. [2019-12-07 13:59:34,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:59:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 335 transitions. [2019-12-07 13:59:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 13:59:34,922 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:34,922 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:35,323 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:59:35,325 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:35,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1300952504, now seen corresponding path program 1 times [2019-12-07 13:59:35,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:35,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579621670] [2019-12-07 13:59:35,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:35,458 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:59:35,460 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:35,469 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:35,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579621670] [2019-12-07 13:59:35,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [199061010] [2019-12-07 13:59:35,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:59:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:35,575 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:59:35,576 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:59:35,599 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 13:59:35,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:59:35,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [3, 3] total 11 [2019-12-07 13:59:35,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276413511] [2019-12-07 13:59:35,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:59:35,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:35,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:59:35,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:59:35,618 INFO L87 Difference]: Start difference. First operand 246 states and 335 transitions. Second operand 7 states. [2019-12-07 13:59:35,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:35,709 INFO L93 Difference]: Finished difference Result 633 states and 861 transitions. [2019-12-07 13:59:35,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:59:35,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-12-07 13:59:35,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:35,712 INFO L225 Difference]: With dead ends: 633 [2019-12-07 13:59:35,712 INFO L226 Difference]: Without dead ends: 393 [2019-12-07 13:59:35,713 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:59:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-12-07 13:59:35,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 215. [2019-12-07 13:59:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-12-07 13:59:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 288 transitions. [2019-12-07 13:59:35,731 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 288 transitions. Word has length 51 [2019-12-07 13:59:35,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:35,731 INFO L462 AbstractCegarLoop]: Abstraction has 215 states and 288 transitions. [2019-12-07 13:59:35,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:59:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 288 transitions. [2019-12-07 13:59:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 13:59:35,732 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:35,732 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:36,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 mathsat -unsat_core_generation=3 [2019-12-07 13:59:36,134 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:36,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:36,135 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2019-12-07 13:59:36,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:36,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195276709] [2019-12-07 13:59:36,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:36,266 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:59:36,267 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:36,288 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:36,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:59:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:36,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195276709] [2019-12-07 13:59:36,311 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1156640491] [2019-12-07 13:59:36,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 13:59:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:36,413 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 13:59:36,415 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:36,450 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:36,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507196847] [2019-12-07 13:59:36,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:59:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:36,586 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:59:36,587 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:36,596 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:36,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 13:59:36,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2019-12-07 13:59:36,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235218919] [2019-12-07 13:59:36,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 13:59:36,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:36,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 13:59:36,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:59:36,603 INFO L87 Difference]: Start difference. First operand 215 states and 288 transitions. Second operand 13 states. [2019-12-07 13:59:38,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:38,361 INFO L93 Difference]: Finished difference Result 2596 states and 3569 transitions. [2019-12-07 13:59:38,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-12-07 13:59:38,362 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2019-12-07 13:59:38,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:38,371 INFO L225 Difference]: With dead ends: 2596 [2019-12-07 13:59:38,371 INFO L226 Difference]: Without dead ends: 2429 [2019-12-07 13:59:38,374 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2212 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2019-12-07 13:59:38,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2019-12-07 13:59:38,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 360. [2019-12-07 13:59:38,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-12-07 13:59:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 487 transitions. [2019-12-07 13:59:38,431 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 487 transitions. Word has length 55 [2019-12-07 13:59:38,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:38,431 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 487 transitions. [2019-12-07 13:59:38,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 13:59:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 487 transitions. [2019-12-07 13:59:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-07 13:59:38,432 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:38,433 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:39,034 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:59:39,034 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2019-12-07 13:59:39,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:39,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844379457] [2019-12-07 13:59:39,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:39,151 INFO L264 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:39,152 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 13:59:39,164 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 13:59:39,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844379457] [2019-12-07 13:59:39,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:39,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 13:59:39,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161942157] [2019-12-07 13:59:39,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:59:39,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:39,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:59:39,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:59:39,183 INFO L87 Difference]: Start difference. First operand 360 states and 487 transitions. Second operand 8 states. [2019-12-07 13:59:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:39,226 INFO L93 Difference]: Finished difference Result 643 states and 858 transitions. [2019-12-07 13:59:39,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:59:39,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2019-12-07 13:59:39,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:39,226 INFO L225 Difference]: With dead ends: 643 [2019-12-07 13:59:39,226 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:59:39,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:59:39,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:59:39,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:59:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:59:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:59:39,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-12-07 13:59:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:39,228 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:59:39,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:59:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:59:39,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:59:39,428 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 13:59:39,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:59:39,736 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2019-12-07 13:59:39,960 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 174 [2019-12-07 13:59:40,148 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 165 [2019-12-07 13:59:40,395 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 165 [2019-12-07 13:59:40,546 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 174 [2019-12-07 13:59:41,861 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 168 DAG size of output: 30 [2019-12-07 13:59:42,127 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 24 [2019-12-07 13:59:42,584 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 31 [2019-12-07 13:59:44,150 WARN L192 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2019-12-07 13:59:44,859 WARN L192 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 37 [2019-12-07 13:59:46,151 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 164 DAG size of output: 37 [2019-12-07 13:59:46,509 WARN L192 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2019-12-07 13:59:46,883 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 18 [2019-12-07 13:59:48,130 WARN L192 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 164 DAG size of output: 37 [2019-12-07 13:59:48,240 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 17 [2019-12-07 13:59:48,356 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 17 [2019-12-07 13:59:50,246 WARN L192 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 173 DAG size of output: 24 [2019-12-07 13:59:50,394 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2019-12-07 13:59:50,397 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-12-07 13:59:50,397 INFO L246 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2019-12-07 13:59:50,398 INFO L246 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L599(lines 598 617) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))))) [2019-12-07 13:59:50,399 INFO L246 CegarLoopResult]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L599-2(lines 598 617) the Hoare annotation is: false [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L599-3(lines 598 617) the Hoare annotation is: false [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2019-12-07 13:59:50,399 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:50,399 INFO L246 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-12-07 13:59:50,399 INFO L246 CegarLoopResult]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-12-07 13:59:50,399 INFO L246 CegarLoopResult]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-12-07 13:59:50,399 INFO L246 CegarLoopResult]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2019-12-07 13:59:50,399 INFO L246 CegarLoopResult]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2019-12-07 13:59:50,400 INFO L246 CegarLoopResult]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2019-12-07 13:59:50,400 INFO L249 CegarLoopResult]: At program point L174(lines 155 177) the Hoare annotation is: true [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L141(lines 137 143) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L802(lines 787 805) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32))) [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2019-12-07 13:59:50,400 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-12-07 13:59:50,400 INFO L246 CegarLoopResult]: For program point L870(lines 870 885) no Hoare annotation was computed. [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-12-07 13:59:50,400 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-12-07 13:59:50,400 INFO L246 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-12-07 13:59:50,400 INFO L246 CegarLoopResult]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2019-12-07 13:59:50,400 INFO L246 CegarLoopResult]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L246 CegarLoopResult]: For program point L841(lines 840 889) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse2 .cse3 .cse4))) [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2019-12-07 13:59:50,401 INFO L246 CegarLoopResult]: For program point L842(lines 842 846) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L246 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L246 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L246 CegarLoopResult]: For program point L578-2(line 578) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: false [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L942-1(lines 937 945) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L942-3(lines 937 945) the Hoare annotation is: false [2019-12-07 13:59:50,401 INFO L246 CegarLoopResult]: For program point L810(lines 810 816) no Hoare annotation was computed. [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L942-4(lines 937 945) the Hoare annotation is: false [2019-12-07 13:59:50,401 INFO L242 CegarLoopResult]: At program point L810-1(lines 810 816) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2))) [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L242 CegarLoopResult]: At program point L942-5(lines 937 945) the Hoare annotation is: false [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2019-12-07 13:59:50,402 INFO L246 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L878-1(lines 599 605) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L783(lines 768 786) the Hoare annotation is: false [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32))) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3))) [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L783-3(lines 768 786) the Hoare annotation is: false [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L783-5(lines 768 786) the Hoare annotation is: false [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L246 CegarLoopResult]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2019-12-07 13:59:50,403 INFO L242 CegarLoopResult]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L719(lines 712 722) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L719-1(lines 712 722) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L556-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 .cse4))) [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L556-3(lines 1 1000) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2019-12-07 13:59:50,404 INFO L242 CegarLoopResult]: At program point L556-5(lines 1 1000) the Hoare annotation is: false [2019-12-07 13:59:50,404 INFO L246 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L94-1(lines 599 605) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L987(lines 978 991) the Hoare annotation is: false [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3))) [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L987-3(lines 978 991) the Hoare annotation is: false [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L890(lines 839 891) the Hoare annotation is: false [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2019-12-07 13:59:50,405 INFO L242 CegarLoopResult]: At program point L65(lines 1 1000) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:50,405 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L249 CegarLoopResult]: At program point L165-1(lines 165 172) the Hoare annotation is: true [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L246 CegarLoopResult]: For program point L860(lines 860 866) no Hoare annotation was computed. [2019-12-07 13:59:50,406 INFO L242 CegarLoopResult]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32)))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2019-12-07 13:59:50,406 INFO L242 CegarLoopResult]: At program point L728(lines 723 731) the Hoare annotation is: false [2019-12-07 13:59:50,406 INFO L242 CegarLoopResult]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2019-12-07 13:59:50,406 INFO L242 CegarLoopResult]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2019-12-07 13:59:50,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:59:50 BoogieIcfgContainer [2019-12-07 13:59:50,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:59:50,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:59:50,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:59:50,434 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:59:50,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:59:31" (3/4) ... [2019-12-07 13:59:50,437 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:59:50,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:59:50,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:59:50,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:59:50,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:59:50,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:59:50,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:59:50,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:59:50,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 13:59:50,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 13:59:50,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,489 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,489 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,489 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 13:59:50,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,491 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,492 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 13:59:50,492 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,493 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && tmp == 0bv32 [2019-12-07 13:59:50,493 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:50,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 13:59:50,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 13:59:50,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d9124ab8-df9b-433d-9e0c-75c8e07ad087/bin/utaipan/witness.graphml [2019-12-07 13:59:50,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:59:50,552 INFO L168 Benchmark]: Toolchain (without parser) took 20554.26 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 434.6 MB). Free memory was 952.4 MB in the beginning and 929.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 457.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:50,552 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 13:59:50,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:50,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:59:50,553 INFO L168 Benchmark]: Boogie Preprocessor took 37.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:50,553 INFO L168 Benchmark]: RCFGBuilder took 686.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:50,554 INFO L168 Benchmark]: TraceAbstraction took 19270.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 1.0 GB in the beginning and 941.7 MB in the end (delta: 60.5 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:50,554 INFO L168 Benchmark]: Witness Printer took 117.50 ms. Allocated memory is still 1.5 GB. Free memory was 941.7 MB in the beginning and 929.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:50,555 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 392.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 686.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19270.02 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 1.0 GB in the beginning and 941.7 MB in the end (delta: 60.5 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. * Witness Printer took 117.50 ms. Allocated memory is still 1.5 GB. Free memory was 941.7 MB in the beginning and 929.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && tmp == 0bv32 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((((((!(systemActive == 0bv32) && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, HoareTripleCheckerStatistics: 1352 SDtfs, 4123 SDslu, 4415 SDs, 0 SdLazy, 862 SolverSat, 169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1325 GetRequests, 1188 SyntacticMatches, 2 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, 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, 10 MinimizatonAttempts, 3209 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 175 NumberOfFragments, 801 HoareAnnotationTreeSize, 56 FomulaSimplifications, 515192 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 416254 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 631 NumberOfCodeBlocks, 631 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1232 ConstructedInterpolants, 0 QuantifiedInterpolants, 138557 SizeOfPredicates, 37 NumberOfNonLiveVariables, 3171 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 276/354 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...