./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df4aa9904b22b6376014a77f575431b8f0cedef3 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df4aa9904b22b6376014a77f575431b8f0cedef3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:59:57,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:57,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:57,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:57,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:57,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:57,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:58,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:58,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:58,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:58,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:58,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:58,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:58,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:58,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:58,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:58,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:58,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:58,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:58,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:58,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:58,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:58,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:58,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:58,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:58,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:58,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:58,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:58,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:58,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:58,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:58,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:58,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:58,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:58,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:58,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:58,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:58,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:58,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:58,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:58,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:58,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:58,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:58,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:58,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:58,091 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:58,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:58,092 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:58,092 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:58,092 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:58,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:58,093 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:58,093 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:58,093 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:58,094 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:58,094 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:58,094 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:58,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:58,096 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:58,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:58,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:58,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:58,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:58,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:58,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:58,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:58,098 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:58,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:58,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:58,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:58,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:58,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:58,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:58,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:58,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:58,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:58,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:58,101 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:58,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:58,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:58,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:58,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:58,102 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4aa9904b22b6376014a77f575431b8f0cedef3 [2020-11-22 12:59:58,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:58,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:58,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:58,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:58,442 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:58,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2020-11-22 12:59:58,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/e445ddc7c/3e17d56ac7d242b3a09aa3647789cdba/FLAG19efec7ad [2020-11-22 12:59:59,255 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:59,259 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2020-11-22 12:59:59,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/e445ddc7c/3e17d56ac7d242b3a09aa3647789cdba/FLAG19efec7ad [2020-11-22 12:59:59,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/e445ddc7c/3e17d56ac7d242b3a09aa3647789cdba [2020-11-22 12:59:59,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:59,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:59,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:59,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:59,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:59,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:59" (1/1) ... [2020-11-22 12:59:59,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ea2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:59, skipping insertion in model container [2020-11-22 12:59:59,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:59" (1/1) ... [2020-11-22 12:59:59,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:59,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:59,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:59,982 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) [2020-11-22 12:59:59,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bbe8140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:59, skipping insertion in model container [2020-11-22 12:59:59,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:59,983 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:59,986 INFO L168 Benchmark]: Toolchain (without parser) took 514.80 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 75.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:59,986 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:59,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.89 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 75.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:59,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.89 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 75.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 148]: 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 0.2.0-a4ecdab [2020-11-22 13:00:02,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:02,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:02,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:02,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:02,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:02,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:02,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:02,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:02,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:02,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:02,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:02,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:02,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:02,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:02,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:02,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:02,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:02,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:02,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:02,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:02,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:02,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:02,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:02,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:02,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:02,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:02,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:02,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:02,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:02,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:02,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:02,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:02,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:02,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:02,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:02,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:02,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:02,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:02,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:02,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:02,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:00:02,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:02,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:02,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:02,958 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:02,958 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:02,958 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:02,959 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:02,959 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:02,959 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:02,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:02,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:00:02,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:00:02,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:02,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:00:02,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:02,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:00:02,965 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:00:02,965 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:00:02,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:00:02,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:00:02,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:00:02,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:02,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:00:02,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:02,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:00:02,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:02,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:02,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:02,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:02,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:02,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:00:02,970 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:00:02,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:00:02,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:00:02,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:02,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:02,972 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df4aa9904b22b6376014a77f575431b8f0cedef3 [2020-11-22 13:00:03,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:03,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:03,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:03,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:03,560 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:03,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2020-11-22 13:00:03,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/2abc9f93e/015d14786e224c9abdeab2461c723260/FLAG49330e1c4 [2020-11-22 13:00:04,334 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:04,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2020-11-22 13:00:04,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/2abc9f93e/015d14786e224c9abdeab2461c723260/FLAG49330e1c4 [2020-11-22 13:00:04,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/data/2abc9f93e/015d14786e224c9abdeab2461c723260 [2020-11-22 13:00:04,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:04,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:04,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:04,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:04,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:04,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:04" (1/1) ... [2020-11-22 13:00:04,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322a6c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:04, skipping insertion in model container [2020-11-22 13:00:04,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:04" (1/1) ... [2020-11-22 13:00:04,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:04,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:05,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:05,133 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:00:05,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:05,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:05,244 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:00:05,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:05,420 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:00:05,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05 WrapperNode [2020-11-22 13:00:05,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:05,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:05,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:00:05,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:00:05,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:05,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:00:05,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:00:05,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:00:05,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... [2020-11-22 13:00:05,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:00:05,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:00:05,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:00:05,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:00:05,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:00:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:00:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:00:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:00:09,127 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:00:09,129 INFO L298 CfgBuilder]: Removed 284 assume(true) statements. [2020-11-22 13:00:09,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:09 BoogieIcfgContainer [2020-11-22 13:00:09,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:00:09,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:00:09,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:00:09,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:00:09,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:00:04" (1/3) ... [2020-11-22 13:00:09,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4f096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:00:09, skipping insertion in model container [2020-11-22 13:00:09,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:05" (2/3) ... [2020-11-22 13:00:09,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4f096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:00:09, skipping insertion in model container [2020-11-22 13:00:09,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:09" (3/3) ... [2020-11-22 13:00:09,164 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-11-22 13:00:09,176 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:00:09,186 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:00:09,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:00:09,249 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:00:09,250 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:00:09,250 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:00:09,250 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:00:09,250 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:00:09,251 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:00:09,251 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:00:09,251 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:00:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-11-22 13:00:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:00:09,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:09,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:09,289 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:09,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1170061052, now seen corresponding path program 1 times [2020-11-22 13:00:09,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:09,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710917969] [2020-11-22 13:00:09,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:09,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:00:09,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:09,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:09,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710917969] [2020-11-22 13:00:09,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:09,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:00:09,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606420537] [2020-11-22 13:00:09,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:00:09,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:09,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:00:09,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:00:09,709 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-11-22 13:00:09,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:09,801 INFO L93 Difference]: Finished difference Result 382 states and 585 transitions. [2020-11-22 13:00:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:00:09,805 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:00:09,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:09,827 INFO L225 Difference]: With dead ends: 382 [2020-11-22 13:00:09,828 INFO L226 Difference]: Without dead ends: 189 [2020-11-22 13:00:09,833 INFO L677 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 [2020-11-22 13:00:09,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-11-22 13:00:09,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-11-22 13:00:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-11-22 13:00:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2020-11-22 13:00:09,933 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2020-11-22 13:00:09,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:09,934 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2020-11-22 13:00:09,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:00:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2020-11-22 13:00:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:00:09,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:09,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:10,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:00:10,153 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:10,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:10,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1388897021, now seen corresponding path program 1 times [2020-11-22 13:00:10,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:10,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210510537] [2020-11-22 13:00:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:10,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:10,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:10,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:10,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210510537] [2020-11-22 13:00:10,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:10,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:00:10,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655499447] [2020-11-22 13:00:10,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:00:10,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:10,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:00:10,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:10,489 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 4 states. [2020-11-22 13:00:10,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:10,524 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2020-11-22 13:00:10,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:10,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:00:10,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:10,529 INFO L225 Difference]: With dead ends: 189 [2020-11-22 13:00:10,529 INFO L226 Difference]: Without dead ends: 73 [2020-11-22 13:00:10,532 INFO L677 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 [2020-11-22 13:00:10,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-22 13:00:10,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-22 13:00:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:00:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-11-22 13:00:10,549 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2020-11-22 13:00:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:10,553 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-11-22 13:00:10,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:00:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-11-22 13:00:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:00:10,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:10,557 INFO L422 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] [2020-11-22 13:00:10,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:00:10,773 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:10,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:10,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1277587638, now seen corresponding path program 1 times [2020-11-22 13:00:10,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:10,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399571982] [2020-11-22 13:00:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:11,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:11,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:11,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:11,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399571982] [2020-11-22 13:00:11,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:11,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:00:11,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124023169] [2020-11-22 13:00:11,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:00:11,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:11,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:00:11,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:11,041 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 4 states. [2020-11-22 13:00:11,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:11,076 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2020-11-22 13:00:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:11,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:00:11,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:11,079 INFO L225 Difference]: With dead ends: 139 [2020-11-22 13:00:11,079 INFO L226 Difference]: Without dead ends: 73 [2020-11-22 13:00:11,080 INFO L677 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 [2020-11-22 13:00:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-22 13:00:11,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-22 13:00:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:00:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2020-11-22 13:00:11,090 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2020-11-22 13:00:11,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:11,090 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2020-11-22 13:00:11,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:00:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2020-11-22 13:00:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 13:00:11,092 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:11,092 INFO L422 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] [2020-11-22 13:00:11,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:00:11,316 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:11,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1954298508, now seen corresponding path program 1 times [2020-11-22 13:00:11,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:11,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905582127] [2020-11-22 13:00:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:11,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:11,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:11,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:11,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905582127] [2020-11-22 13:00:11,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:11,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:00:11,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920248125] [2020-11-22 13:00:11,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:00:11,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:11,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:00:11,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:11,618 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2020-11-22 13:00:11,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:11,734 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2020-11-22 13:00:11,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:11,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-22 13:00:11,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:11,735 INFO L225 Difference]: With dead ends: 149 [2020-11-22 13:00:11,736 INFO L226 Difference]: Without dead ends: 83 [2020-11-22 13:00:11,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:11,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-22 13:00:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2020-11-22 13:00:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-22 13:00:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2020-11-22 13:00:11,746 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2020-11-22 13:00:11,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:11,747 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2020-11-22 13:00:11,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:00:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-22 13:00:11,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:00:11,755 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:11,756 INFO L422 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] [2020-11-22 13:00:11,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:00:11,979 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:11,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:11,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1238499427, now seen corresponding path program 1 times [2020-11-22 13:00:11,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:11,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663704278] [2020-11-22 13:00:11,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:12,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:00:12,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:12,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:12,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663704278] [2020-11-22 13:00:12,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:12,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:00:12,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481215696] [2020-11-22 13:00:12,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:00:12,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:12,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:00:12,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:00:12,287 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2020-11-22 13:00:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:12,460 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2020-11-22 13:00:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:00:12,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 13:00:12,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:12,463 INFO L225 Difference]: With dead ends: 211 [2020-11-22 13:00:12,463 INFO L226 Difference]: Without dead ends: 137 [2020-11-22 13:00:12,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:00:12,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-22 13:00:12,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 90. [2020-11-22 13:00:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-11-22 13:00:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 124 transitions. [2020-11-22 13:00:12,487 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 124 transitions. Word has length 33 [2020-11-22 13:00:12,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:12,488 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 124 transitions. [2020-11-22 13:00:12,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:00:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2020-11-22 13:00:12,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:00:12,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:12,491 INFO L422 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] [2020-11-22 13:00:12,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:00:12,704 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:12,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:12,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2123004160, now seen corresponding path program 1 times [2020-11-22 13:00:12,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:12,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453029539] [2020-11-22 13:00:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:12,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:00:12,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:13,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:13,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453029539] [2020-11-22 13:00:13,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:13,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:00:13,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632613586] [2020-11-22 13:00:13,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:00:13,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:13,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:00:13,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:00:13,025 INFO L87 Difference]: Start difference. First operand 90 states and 124 transitions. Second operand 5 states. [2020-11-22 13:00:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:13,232 INFO L93 Difference]: Finished difference Result 436 states and 609 transitions. [2020-11-22 13:00:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:00:13,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 13:00:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:13,236 INFO L225 Difference]: With dead ends: 436 [2020-11-22 13:00:13,237 INFO L226 Difference]: Without dead ends: 353 [2020-11-22 13:00:13,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:00:13,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-11-22 13:00:13,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 165. [2020-11-22 13:00:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-11-22 13:00:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2020-11-22 13:00:13,289 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 33 [2020-11-22 13:00:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:13,291 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2020-11-22 13:00:13,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:00:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2020-11-22 13:00:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:00:13,297 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:13,298 INFO L422 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] [2020-11-22 13:00:13,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:00:13,513 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:13,514 INFO L82 PathProgramCache]: Analyzing trace with hash -2127856776, now seen corresponding path program 1 times [2020-11-22 13:00:13,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:13,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990588576] [2020-11-22 13:00:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:13,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:00:13,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:13,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:13,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990588576] [2020-11-22 13:00:13,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:13,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:00:13,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48530991] [2020-11-22 13:00:13,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:00:13,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:13,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:00:13,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:00:13,834 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand 5 states. [2020-11-22 13:00:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:14,133 INFO L93 Difference]: Finished difference Result 628 states and 863 transitions. [2020-11-22 13:00:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:00:14,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-22 13:00:14,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:14,138 INFO L225 Difference]: With dead ends: 628 [2020-11-22 13:00:14,139 INFO L226 Difference]: Without dead ends: 470 [2020-11-22 13:00:14,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:00:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-11-22 13:00:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2020-11-22 13:00:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-22 13:00:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2020-11-22 13:00:14,166 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2020-11-22 13:00:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:14,166 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2020-11-22 13:00:14,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:00:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2020-11-22 13:00:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:00:14,168 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:14,168 INFO L422 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] [2020-11-22 13:00:14,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 13:00:14,385 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:14,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:14,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1934711389, now seen corresponding path program 1 times [2020-11-22 13:00:14,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:14,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209387477] [2020-11-22 13:00:14,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:14,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:00:14,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:14,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:14,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209387477] [2020-11-22 13:00:14,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:14,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:00:14,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420765890] [2020-11-22 13:00:14,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:00:14,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:14,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:00:14,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:00:14,706 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 6 states. [2020-11-22 13:00:14,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:14,839 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2020-11-22 13:00:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:00:14,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-22 13:00:14,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:14,841 INFO L225 Difference]: With dead ends: 431 [2020-11-22 13:00:14,842 INFO L226 Difference]: Without dead ends: 274 [2020-11-22 13:00:14,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:00:14,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-11-22 13:00:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2020-11-22 13:00:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-22 13:00:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2020-11-22 13:00:14,866 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2020-11-22 13:00:14,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:14,867 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2020-11-22 13:00:14,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:00:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2020-11-22 13:00:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:00:14,868 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:14,868 INFO L422 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] [2020-11-22 13:00:15,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 13:00:15,084 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1347905375, now seen corresponding path program 1 times [2020-11-22 13:00:15,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:15,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926276700] [2020-11-22 13:00:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:15,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:15,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:15,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:15,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926276700] [2020-11-22 13:00:15,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:15,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:00:15,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168791992] [2020-11-22 13:00:15,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:00:15,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:15,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:00:15,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:15,383 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 4 states. [2020-11-22 13:00:15,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:15,543 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-11-22 13:00:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:00:15,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-22 13:00:15,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:15,546 INFO L225 Difference]: With dead ends: 524 [2020-11-22 13:00:15,546 INFO L226 Difference]: Without dead ends: 355 [2020-11-22 13:00:15,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-11-22 13:00:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 301. [2020-11-22 13:00:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-22 13:00:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2020-11-22 13:00:15,581 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 34 [2020-11-22 13:00:15,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:15,581 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2020-11-22 13:00:15,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:00:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2020-11-22 13:00:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-22 13:00:15,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:15,584 INFO L422 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] [2020-11-22 13:00:15,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 13:00:15,805 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:15,806 INFO L82 PathProgramCache]: Analyzing trace with hash -48040801, now seen corresponding path program 1 times [2020-11-22 13:00:15,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:15,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214618450] [2020-11-22 13:00:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:16,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:16,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:16,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:16,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214618450] [2020-11-22 13:00:16,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:16,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:00:16,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942517420] [2020-11-22 13:00:16,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:00:16,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:16,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:00:16,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:16,077 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand 3 states. [2020-11-22 13:00:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:16,176 INFO L93 Difference]: Finished difference Result 531 states and 700 transitions. [2020-11-22 13:00:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:16,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-11-22 13:00:16,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:16,180 INFO L225 Difference]: With dead ends: 531 [2020-11-22 13:00:16,180 INFO L226 Difference]: Without dead ends: 529 [2020-11-22 13:00:16,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:00:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-11-22 13:00:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 386. [2020-11-22 13:00:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-11-22 13:00:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 523 transitions. [2020-11-22 13:00:16,234 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 523 transitions. Word has length 35 [2020-11-22 13:00:16,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:16,234 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 523 transitions. [2020-11-22 13:00:16,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:00:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 523 transitions. [2020-11-22 13:00:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-22 13:00:16,236 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:16,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:16,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 13:00:16,451 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:16,452 INFO L82 PathProgramCache]: Analyzing trace with hash 550918966, now seen corresponding path program 1 times [2020-11-22 13:00:16,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:16,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278880065] [2020-11-22 13:00:16,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/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 [2020-11-22 13:00:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:16,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:00:16,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:16,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:00:16,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278880065] [2020-11-22 13:00:16,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:16,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:00:16,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312954220] [2020-11-22 13:00:16,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:00:16,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:16,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:00:16,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:16,747 INFO L87 Difference]: Start difference. First operand 386 states and 523 transitions. Second operand 4 states. [2020-11-22 13:00:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:18,314 INFO L93 Difference]: Finished difference Result 678 states and 931 transitions. [2020-11-22 13:00:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:00:18,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-11-22 13:00:18,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:18,317 INFO L225 Difference]: With dead ends: 678 [2020-11-22 13:00:18,318 INFO L226 Difference]: Without dead ends: 299 [2020-11-22 13:00:18,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:00:18,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-11-22 13:00:18,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2020-11-22 13:00:18,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-22 13:00:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 391 transitions. [2020-11-22 13:00:18,353 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 391 transitions. Word has length 60 [2020-11-22 13:00:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:18,353 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 391 transitions. [2020-11-22 13:00:18,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:00:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 391 transitions. [2020-11-22 13:00:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-22 13:00:18,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:00:18,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:00:18,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 13:00:18,569 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:00:18,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:00:18,569 INFO L82 PathProgramCache]: Analyzing trace with hash 800050596, now seen corresponding path program 1 times [2020-11-22 13:00:18,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:00:18,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142595611] [2020-11-22 13:00:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-22 13:00:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:00:18,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:00:18,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:00:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:00:18,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:00:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:00:18,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142595611] [2020-11-22 13:00:18,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:00:18,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 13:00:19,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634879382] [2020-11-22 13:00:19,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 13:00:19,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:00:19,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 13:00:19,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:00:19,001 INFO L87 Difference]: Start difference. First operand 299 states and 391 transitions. Second operand 10 states. [2020-11-22 13:00:20,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:00:20,956 INFO L93 Difference]: Finished difference Result 952 states and 1232 transitions. [2020-11-22 13:00:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:00:20,957 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-11-22 13:00:20,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:00:20,957 INFO L225 Difference]: With dead ends: 952 [2020-11-22 13:00:20,957 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:00:20,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-11-22 13:00:20,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:00:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:00:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:00:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:00:20,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-11-22 13:00:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:00:20,960 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:00:20,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 13:00:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:00:20,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:00:21,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 13:00:21,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:00:21,561 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 90 [2020-11-22 13:00:21,918 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 110 [2020-11-22 13:00:22,331 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 118 [2020-11-22 13:00:22,666 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 119 [2020-11-22 13:00:23,663 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2020-11-22 13:00:24,015 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 26 [2020-11-22 13:00:24,275 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2020-11-22 13:00:24,731 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2020-11-22 13:00:25,070 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-11-22 13:00:25,772 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 25 [2020-11-22 13:00:26,426 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2020-11-22 13:00:26,809 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-11-22 13:00:27,237 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2020-11-22 13:00:27,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L270 CegarLoopResult]: At program point L631(lines 624 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2020-11-22 13:00:27,241 INFO L270 CegarLoopResult]: At program point L631-1(lines 624 634) the Hoare annotation is: false [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L565(lines 565 573) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L270 CegarLoopResult]: At program point L631-2(lines 624 634) the Hoare annotation is: false [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L565-1(lines 565 573) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L565-2(lines 565 573) no Hoare annotation was computed. [2020-11-22 13:00:27,241 INFO L274 CegarLoopResult]: For program point L565-3(lines 565 573) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L565-4(lines 565 573) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L565-5(lines 565 573) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L865(lines 865 869) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L865-3(lines 865 869) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L865-6(lines 865 869) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-1(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-2(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-3(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-4(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-5(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-6(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-7(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-8(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-9(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-10(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L535-11(lines 535 552) no Hoare annotation was computed. [2020-11-22 13:00:27,242 INFO L270 CegarLoopResult]: At program point L503(lines 502 521) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse4))) [2020-11-22 13:00:27,242 INFO L274 CegarLoopResult]: For program point L503-1(lines 503 509) no Hoare annotation was computed. [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L503-2(lines 502 521) the Hoare annotation is: false [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L503-3(lines 502 521) the Hoare annotation is: false [2020-11-22 13:00:27,243 INFO L274 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse7 .cse6 .cse4) (and .cse1 .cse7 .cse5 .cse6 .cse4))) [2020-11-22 13:00:27,243 INFO L274 CegarLoopResult]: For program point L736(lines 736 753) no Hoare annotation was computed. [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L736-1(lines 1 995) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse7 .cse6 .cse4) (and .cse1 .cse7 .cse5 .cse6 .cse4))) [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L769-2(lines 769 783) the Hoare annotation is: false [2020-11-22 13:00:27,243 INFO L274 CegarLoopResult]: For program point L736-2(lines 736 753) no Hoare annotation was computed. [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L736-3(lines 1 995) the Hoare annotation is: false [2020-11-22 13:00:27,243 INFO L274 CegarLoopResult]: For program point L736-4(lines 736 753) no Hoare annotation was computed. [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L736-5(lines 1 995) the Hoare annotation is: false [2020-11-22 13:00:27,243 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:27,243 INFO L270 CegarLoopResult]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2))) [2020-11-22 13:00:27,244 INFO L270 CegarLoopResult]: At program point L902-1(lines 897 905) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4))) [2020-11-22 13:00:27,244 INFO L270 CegarLoopResult]: At program point L902-2(lines 897 905) the Hoare annotation is: false [2020-11-22 13:00:27,244 INFO L270 CegarLoopResult]: At program point L902-3(lines 897 905) the Hoare annotation is: false [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L270 CegarLoopResult]: At program point L902-4(lines 897 905) the Hoare annotation is: false [2020-11-22 13:00:27,244 INFO L270 CegarLoopResult]: At program point L902-5(lines 897 905) the Hoare annotation is: false [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-1(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-2(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-3(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-4(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-5(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-6(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,244 INFO L274 CegarLoopResult]: For program point L539-7(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L539-8(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L539-9(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L539-10(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L539-11(lines 539 547) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L270 CegarLoopResult]: At program point L111(lines 64 112) the Hoare annotation is: false [2020-11-22 13:00:27,245 INFO L270 CegarLoopResult]: At program point L640(lines 635 643) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= (_ bv0 32) ~pumpRunning~0) .cse3))) [2020-11-22 13:00:27,245 INFO L270 CegarLoopResult]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2020-11-22 13:00:27,245 INFO L270 CegarLoopResult]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-11-22 13:00:27,245 INFO L274 CegarLoopResult]: For program point L740(lines 740 750) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L773-1(lines 503 509) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L740-2(lines 740 750) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L740-4(lines 740 750) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L741(lines 741 747) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L708(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L741-2(lines 741 747) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L708-3(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L741-4(lines 741 747) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L708-5(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L270 CegarLoopResult]: At program point L510(lines 510 516) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse5 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3))) [2020-11-22 13:00:27,246 INFO L274 CegarLoopResult]: For program point L708-6(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,246 INFO L270 CegarLoopResult]: At program point L510-1(lines 510 516) the Hoare annotation is: false [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-8(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L270 CegarLoopResult]: At program point L510-2(lines 510 516) the Hoare annotation is: false [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-9(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-11(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-12(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-14(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-15(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L708-17(lines 708 712) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-1(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-3(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-4(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-5(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-6(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,247 INFO L274 CegarLoopResult]: For program point L942-7(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L942-8(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L942-9(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L942-10(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L942-11(lines 942 948) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L877(lines 877 881) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L277 CegarLoopResult]: At program point L844-1(lines 844 851) the Hoare annotation is: true [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L270 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4))) [2020-11-22 13:00:27,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:00:27,248 INFO L270 CegarLoopResult]: At program point L714(lines 699 717) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:27,248 INFO L270 CegarLoopResult]: At program point L714-1(lines 699 717) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L714-2(lines 699 717) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L714-3(lines 699 717) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L714-4(lines 699 717) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L714-5(lines 699 717) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-1(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-2(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-3(lines 938 951) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-4(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-5(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-6(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-7(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,249 INFO L270 CegarLoopResult]: At program point L947-8(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,250 INFO L270 CegarLoopResult]: At program point L947-9(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,250 INFO L270 CegarLoopResult]: At program point L947-10(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,250 INFO L270 CegarLoopResult]: At program point L947-11(lines 938 951) the Hoare annotation is: false [2020-11-22 13:00:27,250 INFO L270 CegarLoopResult]: At program point L817(lines 813 819) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point L587(lines 587 604) no Hoare annotation was computed. [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point L587-1(lines 587 604) no Hoare annotation was computed. [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point L587-2(lines 587 604) no Hoare annotation was computed. [2020-11-22 13:00:27,250 INFO L270 CegarLoopResult]: At program point L984(lines 1 995) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:27,250 INFO L277 CegarLoopResult]: At program point L853(lines 834 856) the Hoare annotation is: true [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,250 INFO L274 CegarLoopResult]: For program point L689-2(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-3(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-5(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-6(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-8(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-9(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-11(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-12(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-14(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-15(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-17(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L95(lines 95 106) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-18(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-20(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-21(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-23(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,251 INFO L274 CegarLoopResult]: For program point L689-24(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L689-26(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L689-27(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L689-29(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L689-30(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L689-32(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L689-33(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-11-22 13:00:27,252 INFO L274 CegarLoopResult]: For program point L591-1(lines 591 599) no Hoare annotation was computed. [2020-11-22 13:00:27,255 INFO L274 CegarLoopResult]: For program point L689-35(lines 689 693) no Hoare annotation was computed. [2020-11-22 13:00:27,255 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2020-11-22 13:00:27,256 INFO L274 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-11-22 13:00:27,256 INFO L270 CegarLoopResult]: At program point L725(lines 720 727) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:27,256 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:00:27,256 INFO L270 CegarLoopResult]: At program point L957(lines 952 960) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:27,256 INFO L270 CegarLoopResult]: At program point L957-1(lines 952 960) the Hoare annotation is: false [2020-11-22 13:00:27,256 INFO L270 CegarLoopResult]: At program point L957-2(lines 952 960) the Hoare annotation is: false [2020-11-22 13:00:27,256 INFO L270 CegarLoopResult]: At program point L957-3(lines 952 960) the Hoare annotation is: false [2020-11-22 13:00:27,257 INFO L270 CegarLoopResult]: At program point L957-4(lines 952 960) the Hoare annotation is: false [2020-11-22 13:00:27,257 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:27,257 INFO L270 CegarLoopResult]: At program point L957-5(lines 952 960) the Hoare annotation is: false [2020-11-22 13:00:27,257 INFO L274 CegarLoopResult]: For program point L561(lines 561 578) no Hoare annotation was computed. [2020-11-22 13:00:27,257 INFO L274 CegarLoopResult]: For program point L561-1(lines 561 578) no Hoare annotation was computed. [2020-11-22 13:00:27,257 INFO L274 CegarLoopResult]: For program point L561-2(lines 561 578) no Hoare annotation was computed. [2020-11-22 13:00:27,257 INFO L274 CegarLoopResult]: For program point L561-3(lines 561 578) no Hoare annotation was computed. [2020-11-22 13:00:27,258 INFO L274 CegarLoopResult]: For program point L561-4(lines 561 578) no Hoare annotation was computed. [2020-11-22 13:00:27,258 INFO L274 CegarLoopResult]: For program point L561-5(lines 561 578) no Hoare annotation was computed. [2020-11-22 13:00:27,258 INFO L274 CegarLoopResult]: For program point L66(lines 65 110) no Hoare annotation was computed. [2020-11-22 13:00:27,258 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-22 13:00:27,258 INFO L270 CegarLoopResult]: At program point L992(lines 987 995) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:27,258 INFO L270 CegarLoopResult]: At program point L695(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,258 INFO L270 CegarLoopResult]: At program point L695-1(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,258 INFO L270 CegarLoopResult]: At program point L695-2(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-3(lines 680 698) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) .cse3) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-4(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-5(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-6(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-7(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-8(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,259 INFO L270 CegarLoopResult]: At program point L695-9(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,260 INFO L270 CegarLoopResult]: At program point L695-10(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,260 INFO L270 CegarLoopResult]: At program point L695-11(lines 680 698) the Hoare annotation is: false [2020-11-22 13:00:27,260 INFO L274 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-11-22 13:00:27,260 INFO L274 CegarLoopResult]: For program point L101-2(lines 503 509) no Hoare annotation was computed. [2020-11-22 13:00:27,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:00:27 BoogieIcfgContainer [2020-11-22 13:00:27,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:00:27,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:00:27,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:00:27,292 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:00:27,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:09" (3/4) ... [2020-11-22 13:00:27,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:00:27,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:00:27,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:00:27,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:00:27,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:00:27,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:00:27,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:27,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:27,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,362 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:00:27,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:00:27,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:00:27,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fe40c381-03eb-4bc7-9807-bf9926c3c1de/bin/utaipan/witness.graphml [2020-11-22 13:00:27,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:00:27,452 INFO L168 Benchmark]: Toolchain (without parser) took 22812.86 ms. Allocated memory was 65.0 MB in the beginning and 151.0 MB in the end (delta: 86.0 MB). Free memory was 44.2 MB in the beginning and 96.4 MB in the end (delta: -52.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,452 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 65.0 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:27,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.78 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 44.0 MB in the beginning and 66.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.13 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 61.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,453 INFO L168 Benchmark]: Boogie Preprocessor took 152.95 ms. Allocated memory is still 86.0 MB. Free memory was 61.1 MB in the beginning and 57.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,454 INFO L168 Benchmark]: RCFGBuilder took 3405.59 ms. Allocated memory is still 86.0 MB. Free memory was 57.7 MB in the beginning and 50.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,454 INFO L168 Benchmark]: TraceAbstraction took 18156.27 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 49.4 MB in the beginning and 112.1 MB in the end (delta: -62.8 MB). Peak memory consumption was 78.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,455 INFO L168 Benchmark]: Witness Printer took 158.66 ms. Allocated memory is still 151.0 MB. Free memory was 112.1 MB in the beginning and 96.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:27,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 65.0 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 779.78 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 44.0 MB in the beginning and 66.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.13 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 61.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.95 ms. Allocated memory is still 86.0 MB. Free memory was 61.1 MB in the beginning and 57.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3405.59 ms. Allocated memory is still 86.0 MB. Free memory was 57.7 MB in the beginning and 50.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18156.27 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 49.4 MB in the beginning and 112.1 MB in the end (delta: -62.8 MB). Peak memory consumption was 78.5 MB. Max. memory is 16.1 GB. * Witness Printer took 158.66 ms. Allocated memory is still 151.0 MB. Free memory was 112.1 MB in the beginning and 96.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 196 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1531 SDtfs, 1648 SDslu, 2610 SDs, 0 SdLazy, 337 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 838 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 297 NumberOfFragments, 943 HoareAnnotationTreeSize, 67 FomulaSimplifications, 323360 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 119524 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 67964 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2582 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 84/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...