./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.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_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 ce17648ffa5822f201dca35a60378555aafbd885 ...................................................................................................................................... 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_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 ce17648ffa5822f201dca35a60378555aafbd885 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:07:22,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:07:22,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:07:22,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:07:22,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:07:22,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:07:22,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:07:22,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:07:22,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:07:22,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:07:22,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:07:22,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:07:22,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:07:22,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:07:22,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:07:22,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:07:22,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:07:22,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:07:22,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:07:22,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:07:22,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:07:22,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:07:22,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:07:22,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:07:22,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:07:22,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:07:22,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:07:22,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:07:22,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:07:22,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:07:22,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:07:22,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:07:22,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:07:22,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:07:22,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:07:22,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:07:22,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:07:22,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:07:22,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:07:22,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:07:22,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:07:22,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 22:07:22,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:07:22,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:07:22,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:07:22,117 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:07:22,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:07:22,117 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:07:22,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 22:07:22,118 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:07:22,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:07:22,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 22:07:22,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 22:07:22,118 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:07:22,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 22:07:22,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 22:07:22,119 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 22:07:22,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:07:22,119 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 22:07:22,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:07:22,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:07:22,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:07:22,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:07:22,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 22:07:22,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 22:07:22,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:07:22,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:07:22,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:07:22,122 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_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2019-12-07 22:07:22,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:07:22,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:07:22,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:07:22,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:07:22,238 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:07:22,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-12-07 22:07:22,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/c58ea4720/75365da010614f5a9f6c331aa6839f88/FLAG57a8eb708 [2019-12-07 22:07:22,730 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:07:22,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-12-07 22:07:22,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/c58ea4720/75365da010614f5a9f6c331aa6839f88/FLAG57a8eb708 [2019-12-07 22:07:23,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/c58ea4720/75365da010614f5a9f6c331aa6839f88 [2019-12-07 22:07:23,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:07:23,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:07:23,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:23,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:07:23,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:07:23,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:23" (1/1) ... [2019-12-07 22:07:23,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c713f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:23, skipping insertion in model container [2019-12-07 22:07:23,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:23" (1/1) ... [2019-12-07 22:07:23,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:07:23,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:23,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:23,345 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 22:07:23,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cd9cb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:23, skipping insertion in model container [2019-12-07 22:07:23,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:23,346 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 22:07:23,348 INFO L168 Benchmark]: Toolchain (without parser) took 266.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:23,348 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:07:23,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:23,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 568]: 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 22:07:24,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:07:24,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:07:24,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:07:24,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:07:24,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:07:24,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:07:24,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:07:24,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:07:24,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:07:24,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:07:24,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:07:24,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:07:24,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:07:24,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:07:24,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:07:24,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:07:24,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:07:24,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:07:24,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:07:24,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:07:24,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:07:24,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:07:24,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:07:24,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:07:24,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:07:24,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:07:24,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:07:24,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:07:24,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:07:24,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:07:24,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:07:24,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:07:24,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:07:24,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:07:24,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:07:24,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:07:24,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:07:24,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:07:24,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:07:24,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:07:24,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 22:07:24,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:07:24,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:07:24,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:07:24,555 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:07:24,555 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:07:24,555 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:07:24,555 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:07:24,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:07:24,556 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:07:24,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:07:24,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 22:07:24,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 22:07:24,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 22:07:24,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 22:07:24,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:07:24,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:07:24,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:07:24,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:07:24,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 22:07:24,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:07:24,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:07:24,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:07:24,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:07:24,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:07:24,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:07:24,559 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 22:07:24,560 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 22:07:24,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:07:24,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:07:24,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:07:24,560 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_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2019-12-07 22:07:24,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:07:24,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:07:24,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:07:24,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:07:24,745 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:07:24,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-12-07 22:07:24,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/19adc4047/4412c8b53a0e403cbcf45f3a855f5357/FLAGead0d3d3c [2019-12-07 22:07:25,208 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:07:25,208 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-12-07 22:07:25,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/19adc4047/4412c8b53a0e403cbcf45f3a855f5357/FLAGead0d3d3c [2019-12-07 22:07:25,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/data/19adc4047/4412c8b53a0e403cbcf45f3a855f5357 [2019-12-07 22:07:25,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:07:25,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:07:25,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:25,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:07:25,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:07:25,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:25,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef7ed36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25, skipping insertion in model container [2019-12-07 22:07:25,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:25,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:07:25,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:25,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:25,842 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 22:07:25,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:25,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:25,892 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 22:07:25,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:25,956 INFO L208 MainTranslator]: Completed translation [2019-12-07 22:07:25,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25 WrapperNode [2019-12-07 22:07:25,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:25,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 22:07:25,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 22:07:25,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 22:07:25,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:25,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 22:07:26,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 22:07:26,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 22:07:26,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 22:07:26,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... [2019-12-07 22:07:26,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 22:07:26,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 22:07:26,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 22:07:26,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 22:07:26,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 22:07:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 22:07:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 22:07:26,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 22:07:26,810 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 22:07:26,811 INFO L287 CfgBuilder]: Removed 350 assume(true) statements. [2019-12-07 22:07:26,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:26 BoogieIcfgContainer [2019-12-07 22:07:26,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 22:07:26,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 22:07:26,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 22:07:26,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 22:07:26,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:07:25" (1/3) ... [2019-12-07 22:07:26,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46852f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:26, skipping insertion in model container [2019-12-07 22:07:26,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:25" (2/3) ... [2019-12-07 22:07:26,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46852f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:26, skipping insertion in model container [2019-12-07 22:07:26,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:26" (3/3) ... [2019-12-07 22:07:26,817 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-12-07 22:07:26,824 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 22:07:26,829 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 22:07:26,837 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 22:07:26,855 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 22:07:26,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 22:07:26,855 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 22:07:26,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 22:07:26,855 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 22:07:26,855 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 22:07:26,855 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 22:07:26,856 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 22:07:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2019-12-07 22:07:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 22:07:26,875 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:26,875 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:26,876 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:26,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2100816283, now seen corresponding path program 1 times [2019-12-07 22:07:26,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:26,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810483734] [2019-12-07 22:07:26,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:27,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 22:07:27,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:27,038 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:27,042 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 22:07:27,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810483734] [2019-12-07 22:07:27,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:27,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 22:07:27,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180918497] [2019-12-07 22:07:27,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 22:07:27,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:27,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 22:07:27,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 22:07:27,058 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2019-12-07 22:07:27,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:27,090 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2019-12-07 22:07:27,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 22:07:27,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 22:07:27,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:27,101 INFO L225 Difference]: With dead ends: 444 [2019-12-07 22:07:27,101 INFO L226 Difference]: Without dead ends: 221 [2019-12-07 22:07:27,104 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 22:07:27,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-12-07 22:07:27,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-12-07 22:07:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-12-07 22:07:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2019-12-07 22:07:27,146 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2019-12-07 22:07:27,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:27,146 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2019-12-07 22:07:27,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 22:07:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2019-12-07 22:07:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 22:07:27,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:27,148 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 22:07:27,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 22:07:27,349 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:27,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:27,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1936571950, now seen corresponding path program 1 times [2019-12-07 22:07:27,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:27,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85876448] [2019-12-07 22:07:27,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:27,601 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:27,602 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:27,617 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 22:07:27,617 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:27,626 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 22:07:27,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85876448] [2019-12-07 22:07:27,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:27,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 22:07:27,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497634303] [2019-12-07 22:07:27,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 22:07:27,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:27,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 22:07:27,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:27,629 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 4 states. [2019-12-07 22:07:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:27,646 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2019-12-07 22:07:27,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:27,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 22:07:27,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:27,648 INFO L225 Difference]: With dead ends: 221 [2019-12-07 22:07:27,648 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 22:07:27,650 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 22:07:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 22:07:27,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-12-07 22:07:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 22:07:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2019-12-07 22:07:27,659 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2019-12-07 22:07:27,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:27,660 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2019-12-07 22:07:27,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 22:07:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2019-12-07 22:07:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 22:07:27,661 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:27,661 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 22:07:27,862 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 22:07:27,862 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:27,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:27,862 INFO L82 PathProgramCache]: Analyzing trace with hash 810617826, now seen corresponding path program 1 times [2019-12-07 22:07:27,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:27,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516271172] [2019-12-07 22:07:27,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:27,965 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:27,966 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:27,974 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 22:07:27,974 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:27,980 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 22:07:27,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516271172] [2019-12-07 22:07:27,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:27,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 22:07:27,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218380668] [2019-12-07 22:07:27,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 22:07:27,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 22:07:27,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:27,982 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 4 states. [2019-12-07 22:07:28,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:28,021 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2019-12-07 22:07:28,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:28,021 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 22:07:28,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:28,022 INFO L225 Difference]: With dead ends: 160 [2019-12-07 22:07:28,023 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 22:07:28,023 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 22:07:28,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 22:07:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-12-07 22:07:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 22:07:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2019-12-07 22:07:28,031 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2019-12-07 22:07:28,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:28,031 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2019-12-07 22:07:28,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 22:07:28,032 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2019-12-07 22:07:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 22:07:28,032 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:28,033 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:28,233 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 22:07:28,234 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:28,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash 442460312, now seen corresponding path program 1 times [2019-12-07 22:07:28,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:28,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003817171] [2019-12-07 22:07:28,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:28,373 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:28,374 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:28,378 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 22:07:28,379 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:28,381 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 22:07:28,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003817171] [2019-12-07 22:07:28,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:28,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 22:07:28,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951806872] [2019-12-07 22:07:28,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:28,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:28,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:28,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 22:07:28,383 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2019-12-07 22:07:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:28,438 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2019-12-07 22:07:28,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:28,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 22:07:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:28,440 INFO L225 Difference]: With dead ends: 166 [2019-12-07 22:07:28,440 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 22:07:28,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 22:07:28,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 22:07:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-12-07 22:07:28,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 22:07:28,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2019-12-07 22:07:28,449 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2019-12-07 22:07:28,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:28,450 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2019-12-07 22:07:28,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2019-12-07 22:07:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 22:07:28,451 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:28,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:28,651 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 22:07:28,653 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:28,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:28,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1878336052, now seen corresponding path program 1 times [2019-12-07 22:07:28,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:28,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939052621] [2019-12-07 22:07:28,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:28,835 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:28,837 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:28,853 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 22:07:28,853 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:28,878 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 22:07:28,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939052621] [2019-12-07 22:07:28,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:28,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 22:07:28,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225157051] [2019-12-07 22:07:28,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 22:07:28,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:28,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 22:07:28,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 22:07:28,879 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 8 states. [2019-12-07 22:07:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:29,175 INFO L93 Difference]: Finished difference Result 673 states and 969 transitions. [2019-12-07 22:07:29,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 22:07:29,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-12-07 22:07:29,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:29,179 INFO L225 Difference]: With dead ends: 673 [2019-12-07 22:07:29,179 INFO L226 Difference]: Without dead ends: 592 [2019-12-07 22:07:29,179 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 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 22:07:29,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-12-07 22:07:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2019-12-07 22:07:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 22:07:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2019-12-07 22:07:29,198 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2019-12-07 22:07:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:29,198 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2019-12-07 22:07:29,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 22:07:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2019-12-07 22:07:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 22:07:29,200 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:29,200 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, 1] [2019-12-07 22:07:29,401 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 22:07:29,402 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:29,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:29,403 INFO L82 PathProgramCache]: Analyzing trace with hash 46891967, now seen corresponding path program 1 times [2019-12-07 22:07:29,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:29,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172411134] [2019-12-07 22:07:29,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:29,660 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:29,662 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:29,674 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:29,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172411134] [2019-12-07 22:07:29,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:29,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 22:07:29,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278477634] [2019-12-07 22:07:29,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 22:07:29,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:29,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 22:07:29,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 22:07:29,679 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2019-12-07 22:07:29,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:29,750 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2019-12-07 22:07:29,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 22:07:29,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-07 22:07:29,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:29,752 INFO L225 Difference]: With dead ends: 540 [2019-12-07 22:07:29,752 INFO L226 Difference]: Without dead ends: 342 [2019-12-07 22:07:29,753 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 22:07:29,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-12-07 22:07:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2019-12-07 22:07:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-12-07 22:07:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2019-12-07 22:07:29,767 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2019-12-07 22:07:29,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:29,767 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2019-12-07 22:07:29,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 22:07:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2019-12-07 22:07:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 22:07:29,768 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:29,768 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, 1] [2019-12-07 22:07:29,969 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 22:07:29,971 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:29,972 INFO L82 PathProgramCache]: Analyzing trace with hash 748491841, now seen corresponding path program 1 times [2019-12-07 22:07:29,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:29,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512131041] [2019-12-07 22:07:29,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:30,140 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 22:07:30,142 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:30,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:30,152 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:30,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512131041] [2019-12-07 22:07:30,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:30,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 22:07:30,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6197615] [2019-12-07 22:07:30,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 22:07:30,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:30,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 22:07:30,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 22:07:30,165 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 6 states. [2019-12-07 22:07:30,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:30,227 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2019-12-07 22:07:30,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 22:07:30,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-07 22:07:30,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:30,229 INFO L225 Difference]: With dead ends: 506 [2019-12-07 22:07:30,229 INFO L226 Difference]: Without dead ends: 287 [2019-12-07 22:07:30,230 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 22:07:30,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-12-07 22:07:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2019-12-07 22:07:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 22:07:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2019-12-07 22:07:30,241 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2019-12-07 22:07:30,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:30,241 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2019-12-07 22:07:30,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 22:07:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2019-12-07 22:07:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 22:07:30,243 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:30,243 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] [2019-12-07 22:07:30,443 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 22:07:30,444 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:30,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:30,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1947303487, now seen corresponding path program 1 times [2019-12-07 22:07:30,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:30,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357366950] [2019-12-07 22:07:30,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/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 22:07:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:30,555 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:30,557 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:30,574 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 22:07:30,574 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:30,579 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 22:07:30,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357366950] [2019-12-07 22:07:30,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:30,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 22:07:30,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645231464] [2019-12-07 22:07:30,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 22:07:30,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:30,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 22:07:30,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 22:07:30,580 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2019-12-07 22:07:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:30,712 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2019-12-07 22:07:30,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 22:07:30,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-12-07 22:07:30,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:30,715 INFO L225 Difference]: With dead ends: 871 [2019-12-07 22:07:30,715 INFO L226 Difference]: Without dead ends: 686 [2019-12-07 22:07:30,716 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-12-07 22:07:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-12-07 22:07:30,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2019-12-07 22:07:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-12-07 22:07:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2019-12-07 22:07:30,737 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2019-12-07 22:07:30,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:30,738 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2019-12-07 22:07:30,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 22:07:30,738 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2019-12-07 22:07:30,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 22:07:30,738 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:30,739 INFO L410 BasicCegarLoop]: trace histogram [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, 1] [2019-12-07 22:07:30,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 22:07:30,940 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:30,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:30,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1332214153, now seen corresponding path program 1 times [2019-12-07 22:07:30,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:30,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306885016] [2019-12-07 22:07:30,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:31,115 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:31,117 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:31,139 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 22:07:31,139 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:31,168 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 22:07:31,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306885016] [2019-12-07 22:07:31,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1964690247] [2019-12-07 22:07:31,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:31,265 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:31,266 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:31,296 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 22:07:31,296 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:31,300 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 22:07:31,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:31,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2019-12-07 22:07:31,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196316825] [2019-12-07 22:07:31,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 22:07:31,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:31,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 22:07:31,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 22:07:31,302 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2019-12-07 22:07:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:31,532 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2019-12-07 22:07:31,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 22:07:31,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-07 22:07:31,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:31,536 INFO L225 Difference]: With dead ends: 1022 [2019-12-07 22:07:31,536 INFO L226 Difference]: Without dead ends: 1020 [2019-12-07 22:07:31,537 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-12-07 22:07:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2019-12-07 22:07:31,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2019-12-07 22:07:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-12-07 22:07:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2019-12-07 22:07:31,561 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2019-12-07 22:07:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:31,561 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2019-12-07 22:07:31,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 22:07:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2019-12-07 22:07:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 22:07:31,562 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:31,562 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, 1, 1, 1, 1, 1] [2019-12-07 22:07:31,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:31,964 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:31,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:31,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1553978118, now seen corresponding path program 1 times [2019-12-07 22:07:31,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:31,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205558396] [2019-12-07 22:07:31,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:32,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:32,144 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:32,169 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 22:07:32,169 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:32,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 22:07:32,194 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 22:07:32,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205558396] [2019-12-07 22:07:32,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2011648720] [2019-12-07 22:07:32,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:32,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 22:07:32,308 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:32,348 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 22:07:32,349 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:32,374 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 22:07:32,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948880017] [2019-12-07 22:07:32,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 22:07:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:32,480 INFO L264 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:32,481 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:32,488 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 22:07:32,488 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:32,493 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 22:07:32,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 22:07:32,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2019-12-07 22:07:32,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945277680] [2019-12-07 22:07:32,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 22:07:32,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:32,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 22:07:32,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-07 22:07:32,495 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 13 states. [2019-12-07 22:07:34,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:34,954 INFO L93 Difference]: Finished difference Result 4777 states and 6284 transitions. [2019-12-07 22:07:34,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-12-07 22:07:34,954 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2019-12-07 22:07:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:34,971 INFO L225 Difference]: With dead ends: 4777 [2019-12-07 22:07:34,971 INFO L226 Difference]: Without dead ends: 4459 [2019-12-07 22:07:34,973 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 341 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2227 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2019-12-07 22:07:34,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2019-12-07 22:07:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 664. [2019-12-07 22:07:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2019-12-07 22:07:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 874 transitions. [2019-12-07 22:07:35,039 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 874 transitions. Word has length 60 [2019-12-07 22:07:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:35,039 INFO L462 AbstractCegarLoop]: Abstraction has 664 states and 874 transitions. [2019-12-07 22:07:35,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 22:07:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 874 transitions. [2019-12-07 22:07:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-07 22:07:35,041 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:35,041 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, 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] [2019-12-07 22:07:35,643 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 22:07:35,644 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:35,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:35,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1550529311, now seen corresponding path program 1 times [2019-12-07 22:07:35,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:35,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100349463] [2019-12-07 22:07:35,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:35,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:35,772 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 22:07:35,785 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 22:07:35,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100349463] [2019-12-07 22:07:35,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:35,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 22:07:35,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302837468] [2019-12-07 22:07:35,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 22:07:35,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 22:07:35,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 22:07:35,805 INFO L87 Difference]: Start difference. First operand 664 states and 874 transitions. Second operand 8 states. [2019-12-07 22:07:35,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:35,861 INFO L93 Difference]: Finished difference Result 1066 states and 1374 transitions. [2019-12-07 22:07:35,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 22:07:35,862 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-12-07 22:07:35,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:35,862 INFO L225 Difference]: With dead ends: 1066 [2019-12-07 22:07:35,862 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 22:07:35,863 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 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 22:07:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 22:07:35,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 22:07:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 22:07:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 22:07:35,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-12-07 22:07:35,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:35,864 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 22:07:35,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 22:07:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 22:07:35,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 22:07:36,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 22:07:36,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 22:07:36,338 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 139 [2019-12-07 22:07:36,581 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 182 [2019-12-07 22:07:36,794 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 164 [2019-12-07 22:07:36,977 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 182 [2019-12-07 22:07:37,180 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 162 [2019-12-07 22:07:37,425 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 162 [2019-12-07 22:07:38,188 WARN L192 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2019-12-07 22:07:38,332 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-12-07 22:07:39,777 WARN L192 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 179 DAG size of output: 35 [2019-12-07 22:07:40,164 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2019-12-07 22:07:41,444 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 164 DAG size of output: 31 [2019-12-07 22:07:41,619 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2019-12-07 22:07:43,013 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 179 DAG size of output: 35 [2019-12-07 22:07:43,916 WARN L192 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2019-12-07 22:07:45,559 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 159 DAG size of output: 38 [2019-12-07 22:07:45,670 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 17 [2019-12-07 22:07:46,008 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2019-12-07 22:07:46,276 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 14 [2019-12-07 22:07:47,941 WARN L192 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2019-12-07 22:07:48,048 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 22:07:48,048 INFO L242 CegarLoopResult]: At program point L366(lines 351 369) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) [2019-12-07 22:07:48,048 INFO L242 CegarLoopResult]: At program point L366-1(lines 351 369) the Hoare annotation is: false [2019-12-07 22:07:48,049 INFO L242 CegarLoopResult]: At program point L366-2(lines 351 369) the Hoare annotation is: false [2019-12-07 22:07:48,049 INFO L242 CegarLoopResult]: At program point L366-3(lines 351 369) the Hoare annotation is: false [2019-12-07 22:07:48,049 INFO L242 CegarLoopResult]: At program point L366-4(lines 351 369) the Hoare annotation is: false [2019-12-07 22:07:48,049 INFO L242 CegarLoopResult]: At program point L366-5(lines 351 369) the Hoare annotation is: false [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L242 CegarLoopResult]: At program point L102-2(lines 138 144) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32))) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3))) [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170-1(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170-3(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170-5(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,049 INFO L246 CegarLoopResult]: For program point L170-6(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L170-7(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L170-8(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L170-9(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L170-10(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L170-11(lines 170 187) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L242 CegarLoopResult]: At program point L503(lines 499 505) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-1(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-3(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-4(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-5(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-6(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-7(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-8(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-9(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,050 INFO L246 CegarLoopResult]: For program point L174-10(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L174-11(lines 174 182) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L242 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L242 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: false [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L242 CegarLoopResult]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1))) [2019-12-07 22:07:48,051 INFO L242 CegarLoopResult]: At program point L981-1(lines 976 984) the Hoare annotation is: false [2019-12-07 22:07:48,051 INFO L242 CegarLoopResult]: At program point L981-2(lines 976 984) the Hoare annotation is: false [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L388(lines 388 401) no Hoare annotation was computed. [2019-12-07 22:07:48,051 INFO L242 CegarLoopResult]: At program point L388-1(lines 1 1007) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32))) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse2 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3))) [2019-12-07 22:07:48,051 INFO L246 CegarLoopResult]: For program point L388-2(lines 388 401) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L242 CegarLoopResult]: At program point L388-3(lines 1 1007) the Hoare annotation is: false [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L388-4(lines 388 401) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L242 CegarLoopResult]: At program point L388-5(lines 1 1007) the Hoare annotation is: false [2019-12-07 22:07:48,052 INFO L242 CegarLoopResult]: At program point L455-2(lines 455 469) the Hoare annotation is: false [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-2(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-4(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-6(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-8(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-10(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-12(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,052 INFO L246 CegarLoopResult]: For program point L258-14(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L258-16(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L258-18(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L258-20(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L258-22(lines 258 264) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L392-2(lines 392 398) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L392-4(lines 392 398) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L459-1(lines 138 144) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-12-07 22:07:48,053 INFO L249 CegarLoopResult]: At program point L526-1(lines 526 533) the Hoare annotation is: true [2019-12-07 22:07:48,053 INFO L246 CegarLoopResult]: For program point L196(lines 196 213) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L196-1(lines 196 213) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L196-2(lines 196 213) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L196-3(lines 196 213) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L196-4(lines 196 213) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L196-5(lines 196 213) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989-1(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989-2(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989-3(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989-4(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989-5(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,054 INFO L246 CegarLoopResult]: For program point L989-6(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L989-7(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L989-8(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L989-9(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L989-10(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L989-11(lines 989 995) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L924(lines 924 928) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 22:07:48,055 INFO L246 CegarLoopResult]: For program point L200(lines 200 208) no Hoare annotation was computed. [2019-12-07 22:07:48,056 INFO L246 CegarLoopResult]: For program point L200-1(lines 200 208) no Hoare annotation was computed. [2019-12-07 22:07:48,056 INFO L246 CegarLoopResult]: For program point L200-2(lines 200 208) no Hoare annotation was computed. [2019-12-07 22:07:48,056 INFO L246 CegarLoopResult]: For program point L200-3(lines 200 208) no Hoare annotation was computed. [2019-12-07 22:07:48,056 INFO L246 CegarLoopResult]: For program point L200-4(lines 200 208) no Hoare annotation was computed. [2019-12-07 22:07:48,056 INFO L246 CegarLoopResult]: For program point L200-5(lines 200 208) no Hoare annotation was computed. [2019-12-07 22:07:48,056 INFO L242 CegarLoopResult]: At program point L994(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,056 INFO L242 CegarLoopResult]: At program point L994-1(lines 985 998) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,056 INFO L242 CegarLoopResult]: At program point L994-2(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,056 INFO L242 CegarLoopResult]: At program point L994-3(lines 985 998) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2) (and .cse3 .cse0 .cse1 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-4(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-5(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-6(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-7(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-8(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-9(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-10(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L994-11(lines 985 998) the Hoare annotation is: false [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L138(lines 137 156) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2) (and .cse0 .cse1 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2019-12-07 22:07:48,057 INFO L246 CegarLoopResult]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2019-12-07 22:07:48,057 INFO L242 CegarLoopResult]: At program point L138-2(lines 137 156) the Hoare annotation is: false [2019-12-07 22:07:48,058 INFO L242 CegarLoopResult]: At program point L138-3(lines 137 156) the Hoare annotation is: false [2019-12-07 22:07:48,058 INFO L249 CegarLoopResult]: At program point L535(lines 516 538) the Hoare annotation is: true [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L242 CegarLoopResult]: At program point L74-1(lines 74 80) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32))) .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse5 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse4))) [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-3(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-5(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-6(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-8(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-9(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-11(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-12(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L936(lines 936 940) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-14(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,058 INFO L246 CegarLoopResult]: For program point L341-15(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-17(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-18(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-20(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-21(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-23(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-24(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-26(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-27(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-29(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-30(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-32(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-33(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L246 CegarLoopResult]: For program point L341-35(lines 341 345) no Hoare annotation was computed. [2019-12-07 22:07:48,059 INFO L242 CegarLoopResult]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32))) .cse2 .cse0 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1))) [2019-12-07 22:07:48,059 INFO L242 CegarLoopResult]: At program point L145-1(lines 145 151) the Hoare annotation is: false [2019-12-07 22:07:48,059 INFO L242 CegarLoopResult]: At program point L145-2(lines 145 151) the Hoare annotation is: false [2019-12-07 22:07:48,059 INFO L242 CegarLoopResult]: At program point L1004(lines 999 1007) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,059 INFO L242 CegarLoopResult]: At program point L1004-1(lines 999 1007) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L1004-2(lines 999 1007) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L1004-3(lines 999 1007) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L1004-4(lines 999 1007) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L1004-5(lines 999 1007) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-1(lines 332 350) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32))) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-2(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-3(lines 332 350) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse4 .cse0 .cse5 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse6 .cse7 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse5 .cse6 .cse7 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-4(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-5(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-6(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-7(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-8(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-9(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-10(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,060 INFO L242 CegarLoopResult]: At program point L347-11(lines 332 350) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L246 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L84-1(lines 84 90) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32))) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3))) [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283(lines 276 286) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-1(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-2(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-3(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-4(lines 276 286) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-5(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-6(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-7(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-8(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-9(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-10(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-11(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-12(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,061 INFO L242 CegarLoopResult]: At program point L283-13(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L283-14(lines 276 286) the Hoare annotation is: false [2019-12-07 22:07:48,062 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 22:07:48,062 INFO L246 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2019-12-07 22:07:48,062 INFO L246 CegarLoopResult]: For program point L222-1(lines 222 239) no Hoare annotation was computed. [2019-12-07 22:07:48,062 INFO L246 CegarLoopResult]: For program point L222-2(lines 222 239) no Hoare annotation was computed. [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949(lines 944 952) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949-2(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949-3(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949-4(lines 944 952) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949-5(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,062 INFO L242 CegarLoopResult]: At program point L949-6(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-7(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-8(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-9(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-10(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-11(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-12(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-13(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L949-14(lines 944 952) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L292(lines 287 295) the Hoare annotation is: false [2019-12-07 22:07:48,063 INFO L242 CegarLoopResult]: At program point L292-1(lines 287 295) the Hoare annotation is: false [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L242 CegarLoopResult]: At program point L292-2(lines 287 295) the Hoare annotation is: false [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L226-1(lines 226 234) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L360(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,064 INFO L246 CegarLoopResult]: For program point L360-3(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-5(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-6(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-8(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-9(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-11(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-12(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-14(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-15(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L246 CegarLoopResult]: For program point L360-17(lines 360 364) no Hoare annotation was computed. [2019-12-07 22:07:48,065 INFO L242 CegarLoopResult]: At program point L431(lines 1 1007) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:07:48,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:07:48 BoogieIcfgContainer [2019-12-07 22:07:48,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 22:07:48,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 22:07:48,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 22:07:48,098 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 22:07:48,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:26" (3/4) ... [2019-12-07 22:07:48,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 22:07:48,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 22:07:48,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 22:07:48,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 22:07:48,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 22:07:48,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 22:07:48,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:07:48,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:07:48,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 22:07:48,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 22:07:48,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 22:07:48,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 22:07:48,168 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,170 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32)) || ((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 22:07:48,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 22:07:48,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 22:07:48,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 [2019-12-07 22:07:48,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 22:07:48,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dced1b49-e25e-4c90-8214-90ca8a6c8f0c/bin/utaipan/witness.graphml [2019-12-07 22:07:48,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 22:07:48,253 INFO L168 Benchmark]: Toolchain (without parser) took 22677.20 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 464.0 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 231.1 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,254 INFO L168 Benchmark]: CDTParser took 0.18 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 22:07:48,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,255 INFO L168 Benchmark]: Boogie Preprocessor took 45.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,255 INFO L168 Benchmark]: RCFGBuilder took 752.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 965.2 MB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,255 INFO L168 Benchmark]: TraceAbstraction took 21285.45 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 353.4 MB). Free memory was 965.2 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). Peak memory consumption was 533.2 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,256 INFO L168 Benchmark]: Witness Printer took 154.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:48,258 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 379.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 752.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 965.2 MB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21285.45 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 353.4 MB). Free memory was 965.2 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). Peak memory consumption was 533.2 MB. Max. memory is 11.5 GB. * Witness Printer took 154.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32)) || ((((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && tmp___0 == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, HoareTripleCheckerStatistics: 1895 SDtfs, 5411 SDslu, 5637 SDs, 0 SdLazy, 1020 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1351 GetRequests, 1209 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2298 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 5356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 247 NumberOfFragments, 1007 HoareAnnotationTreeSize, 91 FomulaSimplifications, 1767566 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 91 FomulaSimplificationsInter, 361807 FormulaSimplificationTreeSizeReductionInter, 10.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1254 ConstructedInterpolants, 0 QuantifiedInterpolants, 171289 SizeOfPredicates, 43 NumberOfNonLiveVariables, 3063 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 264/330 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...