./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.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_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ...................................................................................................................................... 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_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:35:23,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:35:23,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:35:23,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:35:23,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:35:23,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:35:23,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:35:23,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:35:23,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:35:23,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:35:23,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:35:23,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:35:23,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:35:23,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:35:23,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:35:23,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:35:23,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:35:23,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:35:23,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:35:23,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:35:23,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:35:23,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:35:23,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:35:23,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:35:23,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:35:23,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:35:23,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:35:23,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:35:23,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:35:23,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:35:23,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:35:23,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:35:23,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:35:23,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:35:23,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:35:23,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:35:23,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:35:23,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:35:23,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:35:23,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:35:23,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:35:23,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:35:23,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:35:23,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:35:23,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:35:23,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:35:23,991 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:35:23,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:35:23,992 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:35:23,992 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:35:23,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:35:23,992 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:35:23,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:35:23,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:35:23,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:35:23,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:35:23,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:35:23,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:35:23,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:35:23,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:35:23,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:35:23,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:35:23,995 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_73721891-3740-4f0f-b587-7b2ddc1f8301/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2019-12-07 10:35:24,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:35:24,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:35:24,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:35:24,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:35:24,110 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:35:24,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2019-12-07 10:35:24,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/9945f4c91/d2db5c5f46304244ab3b348a911489b7/FLAG5d67a418e [2019-12-07 10:35:24,610 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:35:24,610 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2019-12-07 10:35:24,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/9945f4c91/d2db5c5f46304244ab3b348a911489b7/FLAG5d67a418e [2019-12-07 10:35:24,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/9945f4c91/d2db5c5f46304244ab3b348a911489b7 [2019-12-07 10:35:24,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:35:24,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:35:24,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:35:24,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:35:24,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:35:24,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:35:24" (1/1) ... [2019-12-07 10:35:24,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:24, skipping insertion in model container [2019-12-07 10:35:24,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:35:24" (1/1) ... [2019-12-07 10:35:24,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:35:24,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:35:24,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:35:24,884 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:35:24,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64c5807e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:24, skipping insertion in model container [2019-12-07 10:35:24,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:35:24,885 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:35:24,887 INFO L168 Benchmark]: Toolchain (without parser) took 257.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:24,887 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:35:24,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:24,889 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 271]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:35:26,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:35:26,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:35:26,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:35:26,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:35:26,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:35:26,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:35:26,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:35:26,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:35:26,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:35:26,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:35:26,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:35:26,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:35:26,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:35:26,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:35:26,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:35:26,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:35:26,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:35:26,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:35:26,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:35:26,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:35:26,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:35:26,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:35:26,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:35:26,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:35:26,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:35:26,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:35:26,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:35:26,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:35:26,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:35:26,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:35:26,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:35:26,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:35:26,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:35:26,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:35:26,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:35:26,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:35:26,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:35:26,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:35:26,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:35:26,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:35:26,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:35:26,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:35:26,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:35:26,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:35:26,128 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:35:26,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:35:26,128 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:35:26,128 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:35:26,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:35:26,129 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:35:26,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:35:26,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:35:26,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:35:26,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:35:26,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:35:26,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:35:26,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:35:26,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:35:26,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:35:26,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:35:26,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:35:26,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:35:26,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:35:26,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:35:26,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:35:26,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:35:26,132 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:35:26,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:35:26,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:35:26,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:35:26,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:35:26,133 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_73721891-3740-4f0f-b587-7b2ddc1f8301/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2019-12-07 10:35:26,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:35:26,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:35:26,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:35:26,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:35:26,320 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:35:26,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2019-12-07 10:35:26,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/533d99f52/c291d9e1a92a4a2b8df4a0e50758006a/FLAGfd0da9152 [2019-12-07 10:35:26,717 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:35:26,718 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2019-12-07 10:35:26,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/533d99f52/c291d9e1a92a4a2b8df4a0e50758006a/FLAGfd0da9152 [2019-12-07 10:35:26,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/data/533d99f52/c291d9e1a92a4a2b8df4a0e50758006a [2019-12-07 10:35:26,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:35:26,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:35:26,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:35:26,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:35:26,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:35:26,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:35:26" (1/1) ... [2019-12-07 10:35:26,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:26, skipping insertion in model container [2019-12-07 10:35:26,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:35:26" (1/1) ... [2019-12-07 10:35:26,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:35:26,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:35:27,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:35:27,020 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:35:27,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:35:27,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:35:27,067 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:35:27,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:35:27,129 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:35:27,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27 WrapperNode [2019-12-07 10:35:27,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:35:27,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:35:27,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:35:27,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:35:27,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:35:27,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:35:27,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:35:27,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:35:27,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... [2019-12-07 10:35:27,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:35:27,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:35:27,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:35:27,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:35:27,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:35:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:35:27,845 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:35:27,845 INFO L287 CfgBuilder]: Removed 198 assume(true) statements. [2019-12-07 10:35:27,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:35:27 BoogieIcfgContainer [2019-12-07 10:35:27,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:35:27,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:35:27,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:35:27,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:35:27,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:35:26" (1/3) ... [2019-12-07 10:35:27,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c91fea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:35:27, skipping insertion in model container [2019-12-07 10:35:27,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:35:27" (2/3) ... [2019-12-07 10:35:27,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c91fea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:35:27, skipping insertion in model container [2019-12-07 10:35:27,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:35:27" (3/3) ... [2019-12-07 10:35:27,852 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2019-12-07 10:35:27,858 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:35:27,864 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:35:27,871 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:35:27,888 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:35:27,888 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:35:27,888 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:35:27,889 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:35:27,889 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:35:27,889 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:35:27,889 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:35:27,889 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:35:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-12-07 10:35:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:35:27,906 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:27,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:35:27,907 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:27,911 INFO L82 PathProgramCache]: Analyzing trace with hash 325683581, now seen corresponding path program 1 times [2019-12-07 10:35:27,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:27,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996509634] [2019-12-07 10:35:27,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:35:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:28,064 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:35:28,067 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:28,078 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:28,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996509634] [2019-12-07 10:35:28,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:28,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:35:28,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775410213] [2019-12-07 10:35:28,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:35:28,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:28,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:35:28,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:35:28,098 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-12-07 10:35:28,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:28,125 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2019-12-07 10:35:28,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:35:28,126 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:35:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:28,138 INFO L225 Difference]: With dead ends: 256 [2019-12-07 10:35:28,138 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 10:35:28,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:35:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 10:35:28,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-12-07 10:35:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-12-07 10:35:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2019-12-07 10:35:28,175 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2019-12-07 10:35:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:28,175 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2019-12-07 10:35:28,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:35:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2019-12-07 10:35:28,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:35:28,176 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:28,176 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:35:28,377 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:35:28,377 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:28,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:28,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1302516555, now seen corresponding path program 1 times [2019-12-07 10:35:28,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:28,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130950913] [2019-12-07 10:35:28,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:35:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:28,572 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:35:28,573 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:28,587 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:28,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130950913] [2019-12-07 10:35:28,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:28,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:35:28,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514389058] [2019-12-07 10:35:28,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:35:28,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:28,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:35:28,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:35:28,598 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 4 states. [2019-12-07 10:35:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:28,613 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-12-07 10:35:28,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:35:28,614 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 10:35:28,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:28,615 INFO L225 Difference]: With dead ends: 127 [2019-12-07 10:35:28,615 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 10:35:28,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:35:28,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 10:35:28,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 10:35:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 10:35:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 10:35:28,623 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-12-07 10:35:28,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:28,623 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 10:35:28,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:35:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 10:35:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:35:28,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:28,624 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:35:28,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:35:28,825 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:28,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:28,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2019-12-07 10:35:28,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:28,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34609326] [2019-12-07 10:35:28,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:35:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:28,932 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:35:28,934 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:28,941 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:28,947 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34609326] [2019-12-07 10:35:28,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:28,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:35:28,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239640991] [2019-12-07 10:35:28,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:35:28,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:28,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:35:28,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:35:28,948 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2019-12-07 10:35:29,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:29,002 INFO L93 Difference]: Finished difference Result 170 states and 250 transitions. [2019-12-07 10:35:29,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:35:29,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 10:35:29,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:29,004 INFO L225 Difference]: With dead ends: 170 [2019-12-07 10:35:29,004 INFO L226 Difference]: Without dead ends: 123 [2019-12-07 10:35:29,005 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:35:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-12-07 10:35:29,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 72. [2019-12-07 10:35:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 10:35:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2019-12-07 10:35:29,016 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 22 [2019-12-07 10:35:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:29,017 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2019-12-07 10:35:29,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:35:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2019-12-07 10:35:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:35:29,017 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:29,018 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:35:29,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:35:29,219 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:29,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:29,219 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2019-12-07 10:35:29,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:29,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221991747] [2019-12-07 10:35:29,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:35:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:29,369 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:35:29,371 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:29,376 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:29,378 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 10:35:29,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221991747] [2019-12-07 10:35:29,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:29,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:35:29,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204764368] [2019-12-07 10:35:29,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:35:29,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:29,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:35:29,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:35:29,380 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand 3 states. [2019-12-07 10:35:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:29,450 INFO L93 Difference]: Finished difference Result 159 states and 234 transitions. [2019-12-07 10:35:29,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:35:29,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 10:35:29,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:29,452 INFO L225 Difference]: With dead ends: 159 [2019-12-07 10:35:29,452 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 10:35:29,453 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:35:29,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 10:35:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-12-07 10:35:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-12-07 10:35:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2019-12-07 10:35:29,464 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 24 [2019-12-07 10:35:29,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:29,464 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2019-12-07 10:35:29,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:35:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2019-12-07 10:35:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 10:35:29,466 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:29,466 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 10:35:29,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:35:29,667 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:29,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:29,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2019-12-07 10:35:29,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:29,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201705136] [2019-12-07 10:35:29,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:35:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:29,826 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:35:29,827 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:29,839 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:29,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201705136] [2019-12-07 10:35:29,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:29,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:35:29,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343406536] [2019-12-07 10:35:29,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:35:29,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:29,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:35:29,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:35:29,847 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand 5 states. [2019-12-07 10:35:29,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:29,955 INFO L93 Difference]: Finished difference Result 440 states and 638 transitions. [2019-12-07 10:35:29,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:35:29,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 10:35:29,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:29,958 INFO L225 Difference]: With dead ends: 440 [2019-12-07 10:35:29,958 INFO L226 Difference]: Without dead ends: 355 [2019-12-07 10:35:29,959 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:35:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-12-07 10:35:29,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 168. [2019-12-07 10:35:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-12-07 10:35:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 236 transitions. [2019-12-07 10:35:29,984 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 236 transitions. Word has length 25 [2019-12-07 10:35:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:29,984 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 236 transitions. [2019-12-07 10:35:29,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:35:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2019-12-07 10:35:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:35:29,985 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:29,986 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:35:30,186 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:35:30,187 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:30,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:30,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2019-12-07 10:35:30,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:30,188 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531322103] [2019-12-07 10:35:30,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 10:35:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:30,317 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:35:30,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:30,331 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:30,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531322103] [2019-12-07 10:35:30,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:30,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:35:30,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542569256] [2019-12-07 10:35:30,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:35:30,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:30,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:35:30,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:35:30,335 INFO L87 Difference]: Start difference. First operand 168 states and 236 transitions. Second operand 5 states. [2019-12-07 10:35:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:30,480 INFO L93 Difference]: Finished difference Result 478 states and 675 transitions. [2019-12-07 10:35:30,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:35:30,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 10:35:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:30,483 INFO L225 Difference]: With dead ends: 478 [2019-12-07 10:35:30,483 INFO L226 Difference]: Without dead ends: 476 [2019-12-07 10:35:30,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:35:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-12-07 10:35:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 168. [2019-12-07 10:35:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-12-07 10:35:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 234 transitions. [2019-12-07 10:35:30,503 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 234 transitions. Word has length 26 [2019-12-07 10:35:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:30,504 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 234 transitions. [2019-12-07 10:35:30,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:35:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2019-12-07 10:35:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:35:30,505 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:30,505 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, 1, 1, 1] [2019-12-07 10:35:30,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:35:30,707 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:30,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2019-12-07 10:35:30,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:30,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784718771] [2019-12-07 10:35:30,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 10:35:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:30,833 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:35:30,835 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:30,842 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:30,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784718771] [2019-12-07 10:35:30,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:30,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:35:30,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243239325] [2019-12-07 10:35:30,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:35:30,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:30,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:35:30,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:35:30,853 INFO L87 Difference]: Start difference. First operand 168 states and 234 transitions. Second operand 4 states. [2019-12-07 10:35:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:30,909 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2019-12-07 10:35:30,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:35:30,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 10:35:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:30,911 INFO L225 Difference]: With dead ends: 624 [2019-12-07 10:35:30,911 INFO L226 Difference]: Without dead ends: 462 [2019-12-07 10:35:30,912 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:35:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-12-07 10:35:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 452. [2019-12-07 10:35:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-12-07 10:35:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 618 transitions. [2019-12-07 10:35:30,938 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 618 transitions. Word has length 34 [2019-12-07 10:35:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:30,939 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 618 transitions. [2019-12-07 10:35:30,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:35:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 618 transitions. [2019-12-07 10:35:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:35:30,940 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:30,940 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, 1, 1, 1] [2019-12-07 10:35:31,141 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:35:31,142 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:31,142 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2019-12-07 10:35:31,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:31,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133542679] [2019-12-07 10:35:31,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 10:35:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:31,288 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:35:31,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:31,305 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:31,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133542679] [2019-12-07 10:35:31,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:31,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:35:31,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481687642] [2019-12-07 10:35:31,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:35:31,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:31,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:35:31,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:35:31,309 INFO L87 Difference]: Start difference. First operand 452 states and 618 transitions. Second operand 5 states. [2019-12-07 10:35:31,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:31,394 INFO L93 Difference]: Finished difference Result 1370 states and 1852 transitions. [2019-12-07 10:35:31,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:35:31,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 10:35:31,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:31,400 INFO L225 Difference]: With dead ends: 1370 [2019-12-07 10:35:31,400 INFO L226 Difference]: Without dead ends: 924 [2019-12-07 10:35:31,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:35:31,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2019-12-07 10:35:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 482. [2019-12-07 10:35:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-12-07 10:35:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 648 transitions. [2019-12-07 10:35:31,433 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 648 transitions. Word has length 34 [2019-12-07 10:35:31,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:31,433 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 648 transitions. [2019-12-07 10:35:31,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:35:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 648 transitions. [2019-12-07 10:35:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:35:31,435 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:31,435 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, 1, 1, 1] [2019-12-07 10:35:31,635 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:35:31,636 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:31,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:31,636 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2019-12-07 10:35:31,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:31,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385275356] [2019-12-07 10:35:31,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 10:35:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:31,731 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:35:31,732 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:31,741 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:31,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385275356] [2019-12-07 10:35:31,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:31,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 10:35:31,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338137417] [2019-12-07 10:35:31,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:35:31,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:31,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:35:31,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:35:31,757 INFO L87 Difference]: Start difference. First operand 482 states and 648 transitions. Second operand 6 states. [2019-12-07 10:35:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:31,833 INFO L93 Difference]: Finished difference Result 1155 states and 1547 transitions. [2019-12-07 10:35:31,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:35:31,833 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 10:35:31,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:31,837 INFO L225 Difference]: With dead ends: 1155 [2019-12-07 10:35:31,837 INFO L226 Difference]: Without dead ends: 679 [2019-12-07 10:35:31,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 10:35:31,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2019-12-07 10:35:31,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 328. [2019-12-07 10:35:31,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-12-07 10:35:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 439 transitions. [2019-12-07 10:35:31,866 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 439 transitions. Word has length 34 [2019-12-07 10:35:31,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:31,866 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 439 transitions. [2019-12-07 10:35:31,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:35:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 439 transitions. [2019-12-07 10:35:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 10:35:31,867 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:31,867 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, 1, 1, 1, 1] [2019-12-07 10:35:32,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:35:32,067 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:32,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:32,068 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2019-12-07 10:35:32,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:32,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649134862] [2019-12-07 10:35:32,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 10:35:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:32,165 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:35:32,166 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:32,187 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:35:32,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649134862] [2019-12-07 10:35:32,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:32,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 10:35:32,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156520936] [2019-12-07 10:35:32,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:35:32,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:32,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:35:32,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:35:32,221 INFO L87 Difference]: Start difference. First operand 328 states and 439 transitions. Second operand 10 states. [2019-12-07 10:35:32,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:32,741 INFO L93 Difference]: Finished difference Result 1604 states and 2116 transitions. [2019-12-07 10:35:32,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 10:35:32,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 10:35:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:32,746 INFO L225 Difference]: With dead ends: 1604 [2019-12-07 10:35:32,746 INFO L226 Difference]: Without dead ends: 1282 [2019-12-07 10:35:32,747 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 10:35:32,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-12-07 10:35:32,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 328. [2019-12-07 10:35:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-12-07 10:35:32,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2019-12-07 10:35:32,773 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 35 [2019-12-07 10:35:32,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:32,773 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2019-12-07 10:35:32,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:35:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2019-12-07 10:35:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 10:35:32,774 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:35:32,774 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 10:35:32,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 10:35:32,975 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:35:32,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:35:32,975 INFO L82 PathProgramCache]: Analyzing trace with hash 653132802, now seen corresponding path program 1 times [2019-12-07 10:35:32,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:35:32,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183743928] [2019-12-07 10:35:32,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/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 10:35:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:35:33,124 INFO L264 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:35:33,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:35:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:35:33,143 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:35:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 10:35:33,168 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183743928] [2019-12-07 10:35:33,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:35:33,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 10:35:33,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068237569] [2019-12-07 10:35:33,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:35:33,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:35:33,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:35:33,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:35:33,169 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand 10 states. [2019-12-07 10:35:33,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:35:33,589 INFO L93 Difference]: Finished difference Result 1292 states and 1687 transitions. [2019-12-07 10:35:33,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 10:35:33,590 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2019-12-07 10:35:33,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:35:33,590 INFO L225 Difference]: With dead ends: 1292 [2019-12-07 10:35:33,590 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:35:33,592 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 10:35:33,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:35:33,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:35:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:35:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:35:33,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-12-07 10:35:33,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:35:33,592 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:35:33,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:35:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:35:33,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:35:33,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 10:35:33,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:35:34,021 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2019-12-07 10:35:34,280 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 183 [2019-12-07 10:35:34,445 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 142 [2019-12-07 10:35:35,049 WARN L192 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 274 [2019-12-07 10:35:35,536 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 238 [2019-12-07 10:35:35,719 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 181 [2019-12-07 10:35:36,289 WARN L192 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 262 [2019-12-07 10:35:36,449 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 131 [2019-12-07 10:35:36,922 WARN L192 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2019-12-07 10:35:37,083 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 172 [2019-12-07 10:35:37,555 WARN L192 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 18 [2019-12-07 10:35:39,170 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 182 DAG size of output: 27 [2019-12-07 10:35:39,344 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-12-07 10:35:40,465 WARN L192 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2019-12-07 10:35:43,414 WARN L192 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 272 DAG size of output: 20 [2019-12-07 10:35:43,791 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 16 [2019-12-07 10:35:46,458 WARN L192 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 238 DAG size of output: 21 [2019-12-07 10:35:47,791 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 180 DAG size of output: 27 [2019-12-07 10:35:50,582 WARN L192 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 260 DAG size of output: 20 [2019-12-07 10:35:51,622 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 130 DAG size of output: 14 [2019-12-07 10:35:55,439 WARN L192 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 255 DAG size of output: 20 [2019-12-07 10:35:56,683 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 171 DAG size of output: 23 [2019-12-07 10:35:56,789 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-12-07 10:35:56,789 INFO L242 CegarLoopResult]: At program point L928(lines 877 929) the Hoare annotation is: false [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L202(lines 198 204) 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 10:35:56,790 INFO L246 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2019-12-07 10:35:56,790 INFO L246 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2019-12-07 10:35:56,790 INFO L246 CegarLoopResult]: For program point L863-2(line 863) no Hoare annotation was computed. [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L831(lines 816 834) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L831-1(lines 816 834) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L831-2(lines 816 834) the Hoare annotation is: false [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L831-3(lines 816 834) the Hoare annotation is: false [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L831-4(lines 816 834) the Hoare annotation is: false [2019-12-07 10:35:56,790 INFO L242 CegarLoopResult]: At program point L831-5(lines 816 834) the Hoare annotation is: false [2019-12-07 10:35:56,790 INFO L246 CegarLoopResult]: For program point L898(lines 898 904) no Hoare annotation was computed. [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L898-1(lines 898 904) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse2))) [2019-12-07 10:35:56,791 INFO L249 CegarLoopResult]: At program point L238(lines 219 241) the Hoare annotation is: true [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767(lines 760 770) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-1(lines 760 770) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-2(lines 760 770) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))))) [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-3(lines 760 770) the Hoare annotation is: false [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-4(lines 760 770) the Hoare annotation is: false [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-5(lines 760 770) the Hoare annotation is: false [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-6(lines 760 770) the Hoare annotation is: false [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-7(lines 760 770) the Hoare annotation is: false [2019-12-07 10:35:56,791 INFO L242 CegarLoopResult]: At program point L767-8(lines 760 770) the Hoare annotation is: false [2019-12-07 10:35:56,792 INFO L242 CegarLoopResult]: At program point L967(lines 962 970) 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 10:35:56,792 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L706(lines 706 723) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L706-1(lines 706 723) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L706-2(lines 706 723) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L242 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L742(lines 742 748) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L742-2(lines 742 748) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L742-4(lines 742 748) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L742-6(lines 742 748) no Hoare annotation was computed. [2019-12-07 10:35:56,792 INFO L246 CegarLoopResult]: For program point L742-8(lines 742 748) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L742-10(lines 742 748) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L908(lines 908 923) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L242 CegarLoopResult]: At program point L776(lines 771 779) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:35:56,793 INFO L242 CegarLoopResult]: At program point L776-1(lines 771 779) the Hoare annotation is: false [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L710(lines 710 718) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L242 CegarLoopResult]: At program point L776-2(lines 771 779) the Hoare annotation is: false [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L710-1(lines 710 718) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 718) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L680(lines 680 697) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L680-1(lines 680 697) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L680-2(lines 680 697) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L680-3(lines 680 697) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L680-4(lines 680 697) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point L680-5(lines 680 697) no Hoare annotation was computed. [2019-12-07 10:35:56,793 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L879(lines 878 927) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L242 CegarLoopResult]: At program point L648(lines 647 666) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse2))) [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L242 CegarLoopResult]: At program point L648-2(lines 647 666) the Hoare annotation is: false [2019-12-07 10:35:56,794 INFO L242 CegarLoopResult]: At program point L648-3(lines 647 666) the Hoare annotation is: false [2019-12-07 10:35:56,794 INFO L242 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2019-12-07 10:35:56,794 INFO L246 CegarLoopResult]: For program point L684-1(lines 684 692) no Hoare annotation was computed. [2019-12-07 10:35:56,795 INFO L246 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2019-12-07 10:35:56,795 INFO L246 CegarLoopResult]: For program point L684-3(lines 684 692) no Hoare annotation was computed. [2019-12-07 10:35:56,795 INFO L246 CegarLoopResult]: For program point L684-4(lines 684 692) no Hoare annotation was computed. [2019-12-07 10:35:56,795 INFO L246 CegarLoopResult]: For program point L684-5(lines 684 692) no Hoare annotation was computed. [2019-12-07 10:35:56,795 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2019-12-07 10:35:56,795 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:35:56,795 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-12-07 10:35:56,795 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2019-12-07 10:35:56,795 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,795 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,795 INFO L246 CegarLoopResult]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L916-1(lines 648 654) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse3 .cse2) (and .cse4 .cse1 .cse2))) [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L246 CegarLoopResult]: For program point L619(lines 619 632) no Hoare annotation was computed. [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L619-1(lines 1 970) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse3 .cse4))) [2019-12-07 10:35:56,796 INFO L246 CegarLoopResult]: For program point L619-2(lines 619 632) no Hoare annotation was computed. [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L619-3(lines 1 970) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L246 CegarLoopResult]: For program point L619-4(lines 619 632) no Hoare annotation was computed. [2019-12-07 10:35:56,796 INFO L242 CegarLoopResult]: At program point L619-5(lines 1 970) the Hoare annotation is: false [2019-12-07 10:35:56,796 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L157-1(lines 648 654) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L242 CegarLoopResult]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1) (and .cse0 .cse2 .cse1) (and (not (= ~systemActive~0 (_ bv0 32))) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse1))) [2019-12-07 10:35:56,797 INFO L242 CegarLoopResult]: At program point L655-1(lines 655 661) the Hoare annotation is: false [2019-12-07 10:35:56,797 INFO L242 CegarLoopResult]: At program point L655-2(lines 655 661) the Hoare annotation is: false [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L623(lines 623 629) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L623-2(lines 623 629) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L623-4(lines 623 629) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L242 CegarLoopResult]: At program point L888-1(lines 888 894) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse3 .cse4))) [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L249 CegarLoopResult]: At program point L229-1(lines 229 236) the Hoare annotation is: true [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:35:56,797 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-5(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-8(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-9(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-11(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,798 INFO L246 CegarLoopResult]: For program point L825-12(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,799 INFO L246 CegarLoopResult]: For program point L825-14(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,799 INFO L246 CegarLoopResult]: For program point L825-15(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,799 INFO L246 CegarLoopResult]: For program point L825-17(lines 825 829) no Hoare annotation was computed. [2019-12-07 10:35:56,799 INFO L242 CegarLoopResult]: At program point L959(lines 1 970) 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 10:35:56,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:35:56 BoogieIcfgContainer [2019-12-07 10:35:56,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:35:56,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:35:56,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:35:56,821 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:35:56,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:35:27" (3/4) ... [2019-12-07 10:35:56,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:35:56,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:35:56,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:35:56,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:35:56,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:35:56,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:35:56,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:35:56,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:35:56,860 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,860 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,861 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 10:35:56,864 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:35:56,864 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:35:56,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:35:56,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2019-12-07 10:35:56,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:35:56,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:35:56,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_73721891-3740-4f0f-b587-7b2ddc1f8301/bin/utaipan/witness.graphml [2019-12-07 10:35:56,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:35:56,910 INFO L168 Benchmark]: Toolchain (without parser) took 30166.55 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 560.5 MB). Free memory was 953.7 MB in the beginning and 1.4 GB in the end (delta: -469.5 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,910 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:35:56,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,911 INFO L168 Benchmark]: Boogie Preprocessor took 34.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,911 INFO L168 Benchmark]: RCFGBuilder took 635.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,911 INFO L168 Benchmark]: TraceAbstraction took 28973.72 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 423.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -426.7 MB). Peak memory consumption was 628.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,911 INFO L168 Benchmark]: Witness Printer took 87.79 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:35:56,913 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 635.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28973.72 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 423.1 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -426.7 MB). Peak memory consumption was 628.6 MB. Max. memory is 11.5 GB. * Witness Printer took 87.79 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 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: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Result: SAFE, OverallTime: 5.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.9s, HoareTripleCheckerStatistics: 1387 SDtfs, 2141 SDslu, 3903 SDs, 0 SdLazy, 486 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=8, 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, 2305 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 503 NumberOfFragments, 765 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4022820 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 2089437 FormulaSimplificationTreeSizeReductionInter, 19.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 34745 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2144 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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...