./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ...................................................................................................................................... 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_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:19:37,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:37,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:37,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:37,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:37,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:37,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:37,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:37,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:37,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:37,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:37,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:37,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:37,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:37,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:37,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:37,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:37,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:37,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:37,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:37,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:37,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:37,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:37,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:37,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:37,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:37,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:37,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:37,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:37,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:37,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:37,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:37,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:37,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:37,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:37,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:37,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:37,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:37,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:37,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:37,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:37,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:19:37,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:37,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:37,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:37,987 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:37,987 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:37,987 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:37,988 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:19:37,988 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:37,988 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:37,988 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:19:37,988 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:19:37,988 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:37,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:19:37,989 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:19:37,989 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:19:37,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:37,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:37,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:19:37,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:37,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:37,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:37,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:19:37,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:19:37,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:37,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:37,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:37,992 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_c210bad1-f092-42f1-8ea6-13f539141741/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-12-07 21:19:38,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:38,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:38,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:38,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:38,104 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:38,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-12-07 21:19:38,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/dd0bea27e/253ceaf8ac004ca18fd84e60b42c114e/FLAG9328bfb36 [2019-12-07 21:19:38,601 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:38,602 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-12-07 21:19:38,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/dd0bea27e/253ceaf8ac004ca18fd84e60b42c114e/FLAG9328bfb36 [2019-12-07 21:19:38,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/dd0bea27e/253ceaf8ac004ca18fd84e60b42c114e [2019-12-07 21:19:38,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:38,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:38,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:38,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:38,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:38,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:38" (1/1) ... [2019-12-07 21:19:38,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:38, skipping insertion in model container [2019-12-07 21:19:38,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:38" (1/1) ... [2019-12-07 21:19:38,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:38,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:38,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:38,917 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 21:19:38,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bad0be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:38, skipping insertion in model container [2019-12-07 21:19:38,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:38,918 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:19:38,921 INFO L168 Benchmark]: Toolchain (without parser) took 298.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,921 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:38,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 543]: 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 21:19:40,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:40,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:40,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:40,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:40,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:40,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:40,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:40,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:40,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:40,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:40,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:40,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:40,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:40,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:40,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:40,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:40,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:40,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:40,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:40,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:40,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:40,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:40,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:40,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:40,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:40,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:40,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:40,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:40,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:40,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:40,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:40,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:40,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:40,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:40,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:40,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:40,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:40,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:40,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:40,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:40,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:19:40,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:40,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:40,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:40,094 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:40,095 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:40,095 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:40,095 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:40,095 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:40,095 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:40,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:40,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:40,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:19:40,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:19:40,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:40,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:40,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:40,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:40,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:40,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:40,098 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:19:40,099 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:19:40,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:40,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:40,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:40,099 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_c210bad1-f092-42f1-8ea6-13f539141741/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-12-07 21:19:40,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:40,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:40,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:40,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:40,281 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:40,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-12-07 21:19:40,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/d17e0cf73/4e7ae71f5a1f4139af98ba8022e211bd/FLAG67cfbebb8 [2019-12-07 21:19:40,752 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:40,753 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-12-07 21:19:40,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/d17e0cf73/4e7ae71f5a1f4139af98ba8022e211bd/FLAG67cfbebb8 [2019-12-07 21:19:41,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/data/d17e0cf73/4e7ae71f5a1f4139af98ba8022e211bd [2019-12-07 21:19:41,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:41,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:41,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:41,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:41,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:41,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41, skipping insertion in model container [2019-12-07 21:19:41,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:41,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:41,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:41,390 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:19:41,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:41,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:41,446 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:19:41,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:41,515 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:19:41,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41 WrapperNode [2019-12-07 21:19:41,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:41,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:19:41,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:19:41,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:19:41,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:19:41,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:19:41,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:19:41,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:19:41,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... [2019-12-07 21:19:41,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:19:41,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:19:41,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:19:41,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:19:41,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:19:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:19:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:19:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:19:42,212 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:19:42,212 INFO L287 CfgBuilder]: Removed 200 assume(true) statements. [2019-12-07 21:19:42,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:42 BoogieIcfgContainer [2019-12-07 21:19:42,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:19:42,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:19:42,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:19:42,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:19:42,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:19:41" (1/3) ... [2019-12-07 21:19:42,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf3e4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:19:42, skipping insertion in model container [2019-12-07 21:19:42,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:41" (2/3) ... [2019-12-07 21:19:42,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf3e4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:19:42, skipping insertion in model container [2019-12-07 21:19:42,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:42" (3/3) ... [2019-12-07 21:19:42,220 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-12-07 21:19:42,229 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:19:42,236 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:19:42,248 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:19:42,270 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:19:42,271 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:19:42,271 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:19:42,271 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:19:42,271 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:19:42,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:19:42,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:19:42,271 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:19:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-12-07 21:19:42,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 21:19:42,291 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:42,292 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:42,292 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash -330996092, now seen corresponding path program 1 times [2019-12-07 21:19:42,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:42,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224789836] [2019-12-07 21:19:42,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:42,436 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:19:42,440 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:42,451 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 21:19:42,452 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:42,456 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 21:19:42,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224789836] [2019-12-07 21:19:42,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:42,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:19:42,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897353068] [2019-12-07 21:19:42,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:19:42,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:42,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:19:42,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:19:42,472 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-12-07 21:19:42,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:42,500 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2019-12-07 21:19:42,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:19:42,502 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 21:19:42,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:42,512 INFO L225 Difference]: With dead ends: 263 [2019-12-07 21:19:42,512 INFO L226 Difference]: Without dead ends: 131 [2019-12-07 21:19:42,515 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 21:19:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-12-07 21:19:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-12-07 21:19:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-12-07 21:19:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2019-12-07 21:19:42,553 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2019-12-07 21:19:42,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:42,553 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2019-12-07 21:19:42,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:19:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2019-12-07 21:19:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 21:19:42,554 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:42,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:42,755 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:19:42,755 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:42,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:42,755 INFO L82 PathProgramCache]: Analyzing trace with hash -549832061, now seen corresponding path program 1 times [2019-12-07 21:19:42,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:42,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190004062] [2019-12-07 21:19:42,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:42,871 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:42,873 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:42,887 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 21:19:42,887 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:42,896 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 21:19:42,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190004062] [2019-12-07 21:19:42,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:42,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:19:42,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622553747] [2019-12-07 21:19:42,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:42,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:42,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:42,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:42,899 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 4 states. [2019-12-07 21:19:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:42,912 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2019-12-07 21:19:42,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:19:42,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 21:19:42,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:42,914 INFO L225 Difference]: With dead ends: 131 [2019-12-07 21:19:42,914 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 21:19:42,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 21:19:42,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 21:19:42,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 21:19:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 21:19:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-12-07 21:19:42,920 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-12-07 21:19:42,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:42,920 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-12-07 21:19:42,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-12-07 21:19:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 21:19:42,921 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:42,921 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 21:19:43,122 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:19:43,122 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:43,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:43,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2019-12-07 21:19:43,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:43,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516713697] [2019-12-07 21:19:43,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:43,258 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:43,260 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:43,266 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 21:19:43,266 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:43,272 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 21:19:43,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516713697] [2019-12-07 21:19:43,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:43,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:19:43,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163114104] [2019-12-07 21:19:43,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:43,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:43,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:43,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:43,274 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 4 states. [2019-12-07 21:19:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:43,322 INFO L93 Difference]: Finished difference Result 175 states and 259 transitions. [2019-12-07 21:19:43,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:19:43,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 21:19:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:43,323 INFO L225 Difference]: With dead ends: 175 [2019-12-07 21:19:43,323 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 21:19:43,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 21:19:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 21:19:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 75. [2019-12-07 21:19:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 21:19:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2019-12-07 21:19:43,333 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 24 [2019-12-07 21:19:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:43,333 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2019-12-07 21:19:43,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2019-12-07 21:19:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 21:19:43,334 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:43,335 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 21:19:43,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:19:43,536 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:43,536 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2019-12-07 21:19:43,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:43,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124313842] [2019-12-07 21:19:43,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:43,711 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:43,712 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:43,718 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 21:19:43,718 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:43,721 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 21:19:43,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124313842] [2019-12-07 21:19:43,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:43,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:19:43,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46360960] [2019-12-07 21:19:43,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:19:43,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:43,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:19:43,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:19:43,722 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2019-12-07 21:19:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:43,774 INFO L93 Difference]: Finished difference Result 165 states and 245 transitions. [2019-12-07 21:19:43,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:19:43,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 21:19:43,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:43,776 INFO L225 Difference]: With dead ends: 165 [2019-12-07 21:19:43,776 INFO L226 Difference]: Without dead ends: 97 [2019-12-07 21:19:43,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:19:43,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-12-07 21:19:43,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2019-12-07 21:19:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 21:19:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2019-12-07 21:19:43,785 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 26 [2019-12-07 21:19:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:43,785 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2019-12-07 21:19:43,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:19:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2019-12-07 21:19:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 21:19:43,786 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:43,786 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] [2019-12-07 21:19:43,986 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:19:43,987 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:43,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:43,987 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2019-12-07 21:19:43,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:43,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429170808] [2019-12-07 21:19:43,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:44,102 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:44,103 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:44,115 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 21:19:44,115 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:44,121 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 21:19:44,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429170808] [2019-12-07 21:19:44,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:44,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:19:44,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619938752] [2019-12-07 21:19:44,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:19:44,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:44,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:19:44,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:19:44,122 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand 5 states. [2019-12-07 21:19:44,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:44,227 INFO L93 Difference]: Finished difference Result 447 states and 651 transitions. [2019-12-07 21:19:44,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 21:19:44,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 21:19:44,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:44,230 INFO L225 Difference]: With dead ends: 447 [2019-12-07 21:19:44,230 INFO L226 Difference]: Without dead ends: 359 [2019-12-07 21:19:44,231 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 21:19:44,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-12-07 21:19:44,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 172. [2019-12-07 21:19:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 21:19:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 243 transitions. [2019-12-07 21:19:44,248 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 243 transitions. Word has length 27 [2019-12-07 21:19:44,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:44,249 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 243 transitions. [2019-12-07 21:19:44,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:19:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2019-12-07 21:19:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 21:19:44,250 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:44,250 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] [2019-12-07 21:19:44,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:19:44,451 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:44,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2019-12-07 21:19:44,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:44,452 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985560467] [2019-12-07 21:19:44,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:44,595 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:44,597 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:44,609 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 21:19:44,610 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:44,612 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 21:19:44,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985560467] [2019-12-07 21:19:44,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:44,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:19:44,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072357860] [2019-12-07 21:19:44,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:19:44,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:44,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:19:44,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:19:44,613 INFO L87 Difference]: Start difference. First operand 172 states and 243 transitions. Second operand 5 states. [2019-12-07 21:19:44,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:44,756 INFO L93 Difference]: Finished difference Result 643 states and 913 transitions. [2019-12-07 21:19:44,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:19:44,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 21:19:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:44,760 INFO L225 Difference]: With dead ends: 643 [2019-12-07 21:19:44,760 INFO L226 Difference]: Without dead ends: 478 [2019-12-07 21:19:44,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 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 21:19:44,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-12-07 21:19:44,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 170. [2019-12-07 21:19:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-12-07 21:19:44,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2019-12-07 21:19:44,781 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 28 [2019-12-07 21:19:44,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:44,782 INFO L462 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2019-12-07 21:19:44,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:19:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2019-12-07 21:19:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 21:19:44,783 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:44,784 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, 1] [2019-12-07 21:19:44,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:19:44,985 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:44,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2019-12-07 21:19:44,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:44,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257636038] [2019-12-07 21:19:44,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:45,122 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:19:45,123 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:45,134 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 21:19:45,134 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:45,137 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 21:19:45,137 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257636038] [2019-12-07 21:19:45,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:45,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:19:45,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85355822] [2019-12-07 21:19:45,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:19:45,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:45,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:19:45,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:19:45,139 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand 5 states. [2019-12-07 21:19:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:45,194 INFO L93 Difference]: Finished difference Result 495 states and 685 transitions. [2019-12-07 21:19:45,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:19:45,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 21:19:45,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:45,196 INFO L225 Difference]: With dead ends: 495 [2019-12-07 21:19:45,196 INFO L226 Difference]: Without dead ends: 332 [2019-12-07 21:19:45,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 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 21:19:45,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-12-07 21:19:45,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 182. [2019-12-07 21:19:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 21:19:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2019-12-07 21:19:45,210 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 36 [2019-12-07 21:19:45,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:45,211 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2019-12-07 21:19:45,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:19:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2019-12-07 21:19:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 21:19:45,212 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:45,212 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, 1] [2019-12-07 21:19:45,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:19:45,413 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:45,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:45,413 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2019-12-07 21:19:45,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:45,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784455338] [2019-12-07 21:19:45,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:45,505 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:19:45,506 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:45,514 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 21:19:45,514 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:45,524 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 21:19:45,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784455338] [2019-12-07 21:19:45,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:45,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 21:19:45,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932158416] [2019-12-07 21:19:45,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:19:45,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:45,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:19:45,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:19:45,525 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand 6 states. [2019-12-07 21:19:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:45,580 INFO L93 Difference]: Finished difference Result 529 states and 719 transitions. [2019-12-07 21:19:45,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:19:45,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-12-07 21:19:45,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:45,582 INFO L225 Difference]: With dead ends: 529 [2019-12-07 21:19:45,582 INFO L226 Difference]: Without dead ends: 354 [2019-12-07 21:19:45,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 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 21:19:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-12-07 21:19:45,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 190. [2019-12-07 21:19:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-12-07 21:19:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 257 transitions. [2019-12-07 21:19:45,597 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 257 transitions. Word has length 36 [2019-12-07 21:19:45,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:45,597 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 257 transitions. [2019-12-07 21:19:45,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:19:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2019-12-07 21:19:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 21:19:45,598 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:45,598 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, 1] [2019-12-07 21:19:45,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 21:19:45,799 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:45,800 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2019-12-07 21:19:45,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:45,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490498717] [2019-12-07 21:19:45,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:45,915 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:19:45,916 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:45,921 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 21:19:45,921 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:45,930 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 21:19:45,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490498717] [2019-12-07 21:19:45,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:45,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:19:45,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762776500] [2019-12-07 21:19:45,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:45,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:45,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:45,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:45,931 INFO L87 Difference]: Start difference. First operand 190 states and 257 transitions. Second operand 4 states. [2019-12-07 21:19:45,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:45,977 INFO L93 Difference]: Finished difference Result 604 states and 821 transitions. [2019-12-07 21:19:45,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:19:45,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-12-07 21:19:45,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:45,979 INFO L225 Difference]: With dead ends: 604 [2019-12-07 21:19:45,979 INFO L226 Difference]: Without dead ends: 421 [2019-12-07 21:19:45,979 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 21:19:45,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-12-07 21:19:45,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 331. [2019-12-07 21:19:45,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-07 21:19:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 444 transitions. [2019-12-07 21:19:45,998 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 444 transitions. Word has length 36 [2019-12-07 21:19:45,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:45,998 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 444 transitions. [2019-12-07 21:19:45,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 444 transitions. [2019-12-07 21:19:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 21:19:45,999 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:45,999 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, 1, 1] [2019-12-07 21:19:46,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 21:19:46,200 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:46,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:46,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2019-12-07 21:19:46,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:46,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444145683] [2019-12-07 21:19:46,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:46,320 INFO L264 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:19:46,321 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:46,338 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 21:19:46,338 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:46,364 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 21:19:46,364 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444145683] [2019-12-07 21:19:46,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:46,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 21:19:46,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736503264] [2019-12-07 21:19:46,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 21:19:46,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:46,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 21:19:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:19:46,365 INFO L87 Difference]: Start difference. First operand 331 states and 444 transitions. Second operand 10 states. [2019-12-07 21:19:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:46,841 INFO L93 Difference]: Finished difference Result 1609 states and 2125 transitions. [2019-12-07 21:19:46,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 21:19:46,841 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2019-12-07 21:19:46,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:46,846 INFO L225 Difference]: With dead ends: 1609 [2019-12-07 21:19:46,846 INFO L226 Difference]: Without dead ends: 1285 [2019-12-07 21:19:46,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 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 21:19:46,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2019-12-07 21:19:46,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 331. [2019-12-07 21:19:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-07 21:19:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 436 transitions. [2019-12-07 21:19:46,895 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 436 transitions. Word has length 37 [2019-12-07 21:19:46,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:46,895 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 436 transitions. [2019-12-07 21:19:46,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 21:19:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 436 transitions. [2019-12-07 21:19:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 21:19:46,896 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:46,896 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, 1, 1] [2019-12-07 21:19:47,096 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 21:19:47,097 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:47,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:47,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1298914206, now seen corresponding path program 1 times [2019-12-07 21:19:47,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:47,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575709035] [2019-12-07 21:19:47,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/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 21:19:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:47,199 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:19:47,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:47,219 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 21:19:47,219 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:47,245 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 21:19:47,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575709035] [2019-12-07 21:19:47,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:47,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 21:19:47,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067641975] [2019-12-07 21:19:47,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 21:19:47,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:47,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 21:19:47,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:19:47,247 INFO L87 Difference]: Start difference. First operand 331 states and 436 transitions. Second operand 10 states. [2019-12-07 21:19:47,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:47,646 INFO L93 Difference]: Finished difference Result 1295 states and 1692 transitions. [2019-12-07 21:19:47,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 21:19:47,646 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-12-07 21:19:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:47,646 INFO L225 Difference]: With dead ends: 1295 [2019-12-07 21:19:47,647 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:19:47,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 113 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 21:19:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:19:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:19:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:19:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:19:47,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-12-07 21:19:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:47,649 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:19:47,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 21:19:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:19:47,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:19:47,849 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 21:19:47,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:19:48,043 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2019-12-07 21:19:48,203 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 131 [2019-12-07 21:19:48,629 WARN L192 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 174 [2019-12-07 21:19:49,119 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 231 [2019-12-07 21:19:49,526 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 194 [2019-12-07 21:19:49,895 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 189 [2019-12-07 21:19:50,042 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2019-12-07 21:19:50,199 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2019-12-07 21:19:50,314 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 131 [2019-12-07 21:19:51,011 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 19 [2019-12-07 21:19:51,815 WARN L192 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 26 [2019-12-07 21:19:51,920 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-12-07 21:19:53,850 WARN L192 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 174 DAG size of output: 21 [2019-12-07 21:19:56,996 WARN L192 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 230 DAG size of output: 20 [2019-12-07 21:19:59,923 WARN L192 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 193 DAG size of output: 20 [2019-12-07 21:20:01,952 WARN L192 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 188 DAG size of output: 20 [2019-12-07 21:20:03,058 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2019-12-07 21:20:03,308 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 16 [2019-12-07 21:20:04,098 WARN L192 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 14 [2019-12-07 21:20:04,907 WARN L192 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 26 [2019-12-07 21:20:05,602 WARN L192 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L300-3(lines 300 308) no Hoare annotation was computed. [2019-12-07 21:20:05,724 INFO L246 CegarLoopResult]: For program point L300-4(lines 300 308) no Hoare annotation was computed. [2019-12-07 21:20:05,725 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 21:20:05,725 INFO L246 CegarLoopResult]: For program point L300-5(lines 300 308) no Hoare annotation was computed. [2019-12-07 21:20:05,725 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 21:20:05,725 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-12-07 21:20:05,725 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-12-07 21:20:05,725 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-12-07 21:20:05,725 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-12-07 21:20:05,725 INFO L246 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-12-07 21:20:05,725 INFO L242 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)) (.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 .cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4))) [2019-12-07 21:20:05,725 INFO L242 CegarLoopResult]: At program point L271(lines 271 277) 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 21:20:05,725 INFO L242 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: false [2019-12-07 21:20:05,726 INFO L242 CegarLoopResult]: At program point L271-2(lines 271 277) the Hoare annotation is: false [2019-12-07 21:20:05,726 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) 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 21:20:05,726 INFO L242 CegarLoopResult]: At program point L901-2(lines 901 915) the Hoare annotation is: false [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-3(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-5(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L242 CegarLoopResult]: At program point L243(lines 192 244) the Hoare annotation is: false [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-6(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-8(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-9(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-11(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,726 INFO L246 CegarLoopResult]: For program point L441-12(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L246 CegarLoopResult]: For program point L441-14(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L246 CegarLoopResult]: For program point L441-15(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L246 CegarLoopResult]: For program point L441-17(lines 441 445) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L246 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L246 CegarLoopResult]: For program point L905-1(lines 264 270) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L246 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L242 CegarLoopResult]: At program point L213-1(lines 213 219) 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 21:20:05,727 INFO L246 CegarLoopResult]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-12-07 21:20:05,727 INFO L249 CegarLoopResult]: At program point L973-1(lines 973 980) the Hoare annotation is: true [2019-12-07 21:20:05,727 INFO L242 CegarLoopResult]: At program point L447(lines 432 450) 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 21:20:05,727 INFO L242 CegarLoopResult]: At program point L447-1(lines 432 450) 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 21:20:05,727 INFO L242 CegarLoopResult]: At program point L447-2(lines 432 450) the Hoare annotation is: false [2019-12-07 21:20:05,727 INFO L242 CegarLoopResult]: At program point L447-3(lines 432 450) the Hoare annotation is: false [2019-12-07 21:20:05,727 INFO L242 CegarLoopResult]: At program point L447-4(lines 432 450) the Hoare annotation is: false [2019-12-07 21:20:05,727 INFO L242 CegarLoopResult]: At program point L447-5(lines 432 450) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L482(lines 477 484) 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 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383(lines 376 386) 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 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-1(lines 376 386) 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 21:20:05,728 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-2(lines 376 386) 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 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-3(lines 376 386) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-4(lines 376 386) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-5(lines 376 386) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-6(lines 376 386) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-7(lines 376 386) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L242 CegarLoopResult]: At program point L383-8(lines 376 386) the Hoare annotation is: false [2019-12-07 21:20:05,728 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 21:20:05,728 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 21:20:05,728 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 21:20:05,728 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 21:20:05,728 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 21:20:05,729 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 21:20:05,729 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 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L249 CegarLoopResult]: At program point L982(lines 963 985) the Hoare annotation is: true [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L949(lines 945 951) 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 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L242 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-12-07 21:20:05,729 INFO L246 CegarLoopResult]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-12-07 21:20:05,729 INFO L246 CegarLoopResult]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2019-12-07 21:20:05,729 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:20:05,729 INFO L246 CegarLoopResult]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L242 CegarLoopResult]: At program point L455-1(lines 455 461) 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 21:20:05,730 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L885-2(line 885) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L358-4(lines 358 364) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L358-6(lines 358 364) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L358-8(lines 358 364) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L358-10(lines 358 364) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L242 CegarLoopResult]: At program point L392(lines 387 395) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:20:05,730 INFO L242 CegarLoopResult]: At program point L392-1(lines 387 395) the Hoare annotation is: false [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-12-07 21:20:05,730 INFO L242 CegarLoopResult]: At program point L392-2(lines 387 395) the Hoare annotation is: false [2019-12-07 21:20:05,730 INFO L246 CegarLoopResult]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L242 CegarLoopResult]: At program point L493-1(lines 1 985) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5)) (.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 .cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4))) [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L242 CegarLoopResult]: At program point L493-3(lines 1 985) the Hoare annotation is: false [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L242 CegarLoopResult]: At program point L493-5(lines 1 985) the Hoare annotation is: false [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-12-07 21:20:05,731 INFO L246 CegarLoopResult]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L296-3(lines 296 313) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L296-4(lines 296 313) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L296-5(lines 296 313) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L242 CegarLoopResult]: At program point L264(lines 263 282) 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 21:20:05,732 INFO L246 CegarLoopResult]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L264-1(lines 264 270) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L242 CegarLoopResult]: At program point L231-1(lines 264 270) 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 21:20:05,732 INFO L242 CegarLoopResult]: At program point L264-2(lines 263 282) the Hoare annotation is: false [2019-12-07 21:20:05,732 INFO L242 CegarLoopResult]: At program point L264-3(lines 263 282) the Hoare annotation is: false [2019-12-07 21:20:05,732 INFO L242 CegarLoopResult]: At program point L166(lines 1 985) 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 21:20:05,732 INFO L246 CegarLoopResult]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2019-12-07 21:20:05,732 INFO L246 CegarLoopResult]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2019-12-07 21:20:05,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:20:05 BoogieIcfgContainer [2019-12-07 21:20:05,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:20:05,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:20:05,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:20:05,755 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:20:05,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:42" (3/4) ... [2019-12-07 21:20:05,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:20:05,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:20:05,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:20:05,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:20:05,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:20:05,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:20:05,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:20:05,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:20:05,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:20:05,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 21:20:05,796 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 21:20:05,796 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 21:20:05,797 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 21:20:05,797 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 21:20:05,797 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:20:05,799 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:20:05,799 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 21:20:05,799 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:20:05,799 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 21:20:05,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:20:05,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:20:05,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c210bad1-f092-42f1-8ea6-13f539141741/bin/utaipan/witness.graphml [2019-12-07 21:20:05,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:20:05,847 INFO L168 Benchmark]: Toolchain (without parser) took 24744.95 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 525.3 MB). Free memory was 947.0 MB in the beginning and 852.3 MB in the end (delta: 94.7 MB). Peak memory consumption was 620.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:05,847 INFO L168 Benchmark]: CDTParser took 0.13 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 21:20:05,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:05,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.94 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:05,848 INFO L168 Benchmark]: Boogie Preprocessor took 40.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:20:05,848 INFO L168 Benchmark]: RCFGBuilder took 607.62 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: 84.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:05,848 INFO L168 Benchmark]: TraceAbstraction took 23539.88 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 399.5 MB). Free memory was 1.0 GB in the beginning and 866.8 MB in the end (delta: 141.6 MB). Peak memory consumption was 569.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:05,848 INFO L168 Benchmark]: Witness Printer took 91.39 ms. Allocated memory is still 1.6 GB. Free memory was 866.8 MB in the beginning and 852.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:05,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.94 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 607.62 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: 84.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23539.88 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 399.5 MB). Free memory was 1.0 GB in the beginning and 866.8 MB in the end (delta: 141.6 MB). Peak memory consumption was 569.5 MB. Max. memory is 11.5 GB. * Witness Printer took 91.39 ms. Allocated memory is still 1.6 GB. Free memory was 866.8 MB in the beginning and 852.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: 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: 477]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: 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: 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: 271]: 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: 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: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: 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: 213]: 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: 432]: 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: 387]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: 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: 901]: Loop Invariant Derived loop invariant: 0 - 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: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: 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: 432]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 455]: 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: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == tmp) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: 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: 376]: 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: 376]: 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: 169]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 5.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.8s, HoareTripleCheckerStatistics: 1406 SDtfs, 2350 SDslu, 3601 SDs, 0 SdLazy, 459 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 718 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1907 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 504 NumberOfFragments, 782 HoareAnnotationTreeSize, 57 FomulaSimplifications, 5370436 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 2727371 FormulaSimplificationTreeSizeReductionInter, 15.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 38539 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2178 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...