./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59e8ffce74c1b6945f19c84278937c63a4a3dd33 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59e8ffce74c1b6945f19c84278937c63a4a3dd33 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:20:36,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:20:36,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:20:36,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:20:36,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:20:36,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:20:36,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:20:36,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:20:36,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:20:36,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:20:36,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:20:36,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:20:36,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:20:36,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:20:36,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:20:36,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:20:36,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:20:36,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:20:36,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:20:36,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:20:36,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:20:36,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:20:36,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:20:36,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:20:36,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:20:36,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:20:36,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:20:36,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:20:36,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:20:36,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:20:36,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:20:36,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:20:36,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:20:36,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:20:36,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:20:36,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:20:36,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:20:36,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:20:36,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:20:36,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:20:36,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:20:36,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:20:36,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:20:36,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:20:36,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:20:36,982 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:20:36,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:20:36,982 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:20:36,982 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:20:36,982 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:20:36,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:20:36,983 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:20:36,983 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:20:36,983 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:20:36,983 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:20:36,983 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:20:36,983 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:20:36,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:20:36,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:20:36,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:20:36,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:20:36,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:20:36,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:20:36,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:20:36,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:20:36,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:20:36,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:20:36,987 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2019-12-07 20:20:37,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:20:37,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:20:37,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:20:37,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:20:37,098 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:20:37,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2019-12-07 20:20:37,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/8ceda4586/9b979ae5890749b4a37bf7f84b661ca1/FLAGae38e6482 [2019-12-07 20:20:37,567 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:20:37,567 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2019-12-07 20:20:37,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/8ceda4586/9b979ae5890749b4a37bf7f84b661ca1/FLAGae38e6482 [2019-12-07 20:20:37,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/8ceda4586/9b979ae5890749b4a37bf7f84b661ca1 [2019-12-07 20:20:37,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:20:37,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:20:37,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:20:37,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:20:37,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:20:37,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:20:37" (1/1) ... [2019-12-07 20:20:37,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea5806a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:37, skipping insertion in model container [2019-12-07 20:20:37,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:20:37" (1/1) ... [2019-12-07 20:20:37,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:20:37,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:20:38,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:20:38,202 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:20:38,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29eb9b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:38, skipping insertion in model container [2019-12-07 20:20:38,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:20:38,202 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:20:38,204 INFO L168 Benchmark]: Toolchain (without parser) took 269.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:38,205 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:20:38,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:20:38,207 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 360]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:20:39,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:20:39,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:20:39,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:20:39,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:20:39,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:20:39,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:20:39,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:20:39,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:20:39,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:20:39,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:20:39,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:20:39,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:20:39,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:20:39,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:20:39,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:20:39,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:20:39,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:20:39,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:20:39,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:20:39,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:20:39,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:20:39,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:20:39,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:20:39,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:20:39,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:20:39,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:20:39,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:20:39,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:20:39,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:20:39,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:20:39,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:20:39,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:20:39,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:20:39,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:20:39,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:20:39,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:20:39,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:20:39,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:20:39,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:20:39,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:20:39,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:20:39,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:20:39,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:20:39,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:20:39,365 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:20:39,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:20:39,366 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:20:39,366 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:20:39,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:20:39,366 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:20:39,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:20:39,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:20:39,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:20:39,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:20:39,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:20:39,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:20:39,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:20:39,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:20:39,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:20:39,370 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2019-12-07 20:20:39,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:20:39,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:20:39,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:20:39,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:20:39,549 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:20:39,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2019-12-07 20:20:39,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/9c616780e/da508c6bcf3a4b1bb983a6d036d82521/FLAGfe1c6af15 [2019-12-07 20:20:40,104 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:20:40,104 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2019-12-07 20:20:40,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/9c616780e/da508c6bcf3a4b1bb983a6d036d82521/FLAGfe1c6af15 [2019-12-07 20:20:40,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/data/9c616780e/da508c6bcf3a4b1bb983a6d036d82521 [2019-12-07 20:20:40,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:20:40,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:20:40,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:20:40,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:20:40,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:20:40,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:20:40" (1/1) ... [2019-12-07 20:20:40,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:40, skipping insertion in model container [2019-12-07 20:20:40,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:20:40" (1/1) ... [2019-12-07 20:20:40,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:20:40,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:20:40,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:20:40,906 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:20:40,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:20:40,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:20:40,960 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:20:41,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:20:41,024 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:20:41,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41 WrapperNode [2019-12-07 20:20:41,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:20:41,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:20:41,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:20:41,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:20:41,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:20:41,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:20:41,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:20:41,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:20:41,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... [2019-12-07 20:20:41,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:20:41,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:20:41,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:20:41,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:20:41,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:20:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:20:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:20:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:20:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:20:41,825 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:20:41,825 INFO L287 CfgBuilder]: Removed 284 assume(true) statements. [2019-12-07 20:20:41,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:20:41 BoogieIcfgContainer [2019-12-07 20:20:41,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:20:41,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:20:41,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:20:41,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:20:41,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:20:40" (1/3) ... [2019-12-07 20:20:41,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3bb9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:20:41, skipping insertion in model container [2019-12-07 20:20:41,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:20:41" (2/3) ... [2019-12-07 20:20:41,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3bb9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:20:41, skipping insertion in model container [2019-12-07 20:20:41,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:20:41" (3/3) ... [2019-12-07 20:20:41,831 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2019-12-07 20:20:41,838 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:20:41,843 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:20:41,851 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:20:41,868 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:20:41,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:20:41,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:20:41,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:20:41,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:20:41,869 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:20:41,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:20:41,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:20:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-12-07 20:20:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:20:41,887 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:41,888 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:41,888 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:41,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:41,892 INFO L82 PathProgramCache]: Analyzing trace with hash 60762052, now seen corresponding path program 1 times [2019-12-07 20:20:41,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:41,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330913787] [2019-12-07 20:20:41,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:42,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:20:42,035 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:42,045 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:42,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330913787] [2019-12-07 20:20:42,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:42,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:20:42,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679622543] [2019-12-07 20:20:42,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:20:42,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:42,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:20:42,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:20:42,064 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-12-07 20:20:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:42,092 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2019-12-07 20:20:42,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:20:42,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:20:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:42,102 INFO L225 Difference]: With dead ends: 384 [2019-12-07 20:20:42,102 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 20:20:42,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:20:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 20:20:42,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-12-07 20:20:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 20:20:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2019-12-07 20:20:42,140 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2019-12-07 20:20:42,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:42,140 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2019-12-07 20:20:42,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:20:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2019-12-07 20:20:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:20:42,141 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:42,141 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:42,342 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:20:42,343 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:42,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:42,344 INFO L82 PathProgramCache]: Analyzing trace with hash -850268701, now seen corresponding path program 1 times [2019-12-07 20:20:42,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:42,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973098937] [2019-12-07 20:20:42,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:42,591 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:20:42,593 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:42,608 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:42,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973098937] [2019-12-07 20:20:42,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:42,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:20:42,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764225128] [2019-12-07 20:20:42,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:20:42,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:42,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:20:42,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:20:42,619 INFO L87 Difference]: Start difference. First operand 191 states and 285 transitions. Second operand 4 states. [2019-12-07 20:20:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:42,633 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2019-12-07 20:20:42,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:20:42,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:20:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:42,635 INFO L225 Difference]: With dead ends: 191 [2019-12-07 20:20:42,635 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 20:20:42,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:20:42,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 20:20:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 20:20:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 20:20:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-12-07 20:20:42,642 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2019-12-07 20:20:42,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:42,642 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-12-07 20:20:42,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:20:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-12-07 20:20:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:20:42,644 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:42,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:42,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:20:42,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:42,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1473925832, now seen corresponding path program 1 times [2019-12-07 20:20:42,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:42,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653678819] [2019-12-07 20:20:42,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:43,025 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:20:43,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:43,034 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:43,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653678819] [2019-12-07 20:20:43,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:43,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:20:43,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52431510] [2019-12-07 20:20:43,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:20:43,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:43,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:20:43,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:20:43,041 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 4 states. [2019-12-07 20:20:43,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:43,076 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2019-12-07 20:20:43,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:20:43,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:20:43,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:43,078 INFO L225 Difference]: With dead ends: 140 [2019-12-07 20:20:43,078 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 20:20:43,078 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:20:43,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 20:20:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 20:20:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 20:20:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2019-12-07 20:20:43,084 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2019-12-07 20:20:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:43,084 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2019-12-07 20:20:43,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:20:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2019-12-07 20:20:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 20:20:43,085 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:43,085 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:43,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:20:43,287 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:43,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:43,288 INFO L82 PathProgramCache]: Analyzing trace with hash -17775911, now seen corresponding path program 1 times [2019-12-07 20:20:43,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:43,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552063339] [2019-12-07 20:20:43,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:43,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:20:43,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:43,555 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:43,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552063339] [2019-12-07 20:20:43,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:43,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:20:43,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209877288] [2019-12-07 20:20:43,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:20:43,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:43,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:20:43,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:20:43,559 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2019-12-07 20:20:43,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:43,610 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 20:20:43,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:20:43,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 20:20:43,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:43,611 INFO L225 Difference]: With dead ends: 151 [2019-12-07 20:20:43,611 INFO L226 Difference]: Without dead ends: 84 [2019-12-07 20:20:43,612 INFO L630 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 [2019-12-07 20:20:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-12-07 20:20:43,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2019-12-07 20:20:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 20:20:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2019-12-07 20:20:43,618 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2019-12-07 20:20:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:43,618 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2019-12-07 20:20:43,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:20:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2019-12-07 20:20:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:20:43,619 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:43,619 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:43,819 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:20:43,821 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:43,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:43,822 INFO L82 PathProgramCache]: Analyzing trace with hash 585251370, now seen corresponding path program 1 times [2019-12-07 20:20:43,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:43,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24505490] [2019-12-07 20:20:43,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:43,992 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:43,994 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:44,007 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:44,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24505490] [2019-12-07 20:20:44,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:44,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:20:44,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382498791] [2019-12-07 20:20:44,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:20:44,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:44,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:20:44,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:20:44,016 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand 5 states. [2019-12-07 20:20:44,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:44,074 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2019-12-07 20:20:44,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:20:44,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 20:20:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:44,076 INFO L225 Difference]: With dead ends: 216 [2019-12-07 20:20:44,076 INFO L226 Difference]: Without dead ends: 140 [2019-12-07 20:20:44,076 INFO L630 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 [2019-12-07 20:20:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-07 20:20:44,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2019-12-07 20:20:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-12-07 20:20:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2019-12-07 20:20:44,084 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2019-12-07 20:20:44,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:44,084 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2019-12-07 20:20:44,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:20:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2019-12-07 20:20:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 20:20:44,085 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:44,086 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:44,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:20:44,287 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:44,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:44,288 INFO L82 PathProgramCache]: Analyzing trace with hash -542144723, now seen corresponding path program 1 times [2019-12-07 20:20:44,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:44,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641004258] [2019-12-07 20:20:44,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:44,412 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:44,414 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:44,429 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:44,454 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641004258] [2019-12-07 20:20:44,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:44,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:20:44,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734880640] [2019-12-07 20:20:44,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:44,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:44,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:20:44,455 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand 8 states. [2019-12-07 20:20:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:44,801 INFO L93 Difference]: Finished difference Result 1039 states and 1459 transitions. [2019-12-07 20:20:44,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 20:20:44,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-12-07 20:20:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:44,807 INFO L225 Difference]: With dead ends: 1039 [2019-12-07 20:20:44,807 INFO L226 Difference]: Without dead ends: 954 [2019-12-07 20:20:44,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 20:20:44,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2019-12-07 20:20:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 217. [2019-12-07 20:20:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-12-07 20:20:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 296 transitions. [2019-12-07 20:20:44,838 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 296 transitions. Word has length 33 [2019-12-07 20:20:44,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:44,838 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 296 transitions. [2019-12-07 20:20:44,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 296 transitions. [2019-12-07 20:20:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:20:44,839 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:44,839 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:45,039 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:20:45,041 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:45,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:45,041 INFO L82 PathProgramCache]: Analyzing trace with hash -395966035, now seen corresponding path program 1 times [2019-12-07 20:20:45,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:45,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324327972] [2019-12-07 20:20:45,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:45,188 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:20:45,189 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:45,196 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:45,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324327972] [2019-12-07 20:20:45,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:45,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:20:45,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953862025] [2019-12-07 20:20:45,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:20:45,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:45,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:20:45,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:20:45,200 INFO L87 Difference]: Start difference. First operand 217 states and 296 transitions. Second operand 4 states. [2019-12-07 20:20:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:45,256 INFO L93 Difference]: Finished difference Result 548 states and 760 transitions. [2019-12-07 20:20:45,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:20:45,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 20:20:45,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:45,258 INFO L225 Difference]: With dead ends: 548 [2019-12-07 20:20:45,258 INFO L226 Difference]: Without dead ends: 385 [2019-12-07 20:20:45,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:20:45,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-12-07 20:20:45,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 214. [2019-12-07 20:20:45,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-12-07 20:20:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 290 transitions. [2019-12-07 20:20:45,272 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 290 transitions. Word has length 34 [2019-12-07 20:20:45,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:45,273 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 290 transitions. [2019-12-07 20:20:45,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:20:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2019-12-07 20:20:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:20:45,274 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:45,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:45,474 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:20:45,475 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:45,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:45,476 INFO L82 PathProgramCache]: Analyzing trace with hash 989595496, now seen corresponding path program 1 times [2019-12-07 20:20:45,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:45,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171517842] [2019-12-07 20:20:45,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:45,628 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:45,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:45,651 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:45,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171517842] [2019-12-07 20:20:45,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:45,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:20:45,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580516123] [2019-12-07 20:20:45,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:45,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:45,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:45,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:20:45,669 INFO L87 Difference]: Start difference. First operand 214 states and 290 transitions. Second operand 8 states. [2019-12-07 20:20:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:45,892 INFO L93 Difference]: Finished difference Result 579 states and 801 transitions. [2019-12-07 20:20:45,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:20:45,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-07 20:20:45,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:45,895 INFO L225 Difference]: With dead ends: 579 [2019-12-07 20:20:45,895 INFO L226 Difference]: Without dead ends: 371 [2019-12-07 20:20:45,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:20:45,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-12-07 20:20:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 166. [2019-12-07 20:20:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-12-07 20:20:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2019-12-07 20:20:45,911 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 34 [2019-12-07 20:20:45,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:45,912 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2019-12-07 20:20:45,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2019-12-07 20:20:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:20:45,913 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:45,913 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:46,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:20:46,114 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:46,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:46,114 INFO L82 PathProgramCache]: Analyzing trace with hash -137800597, now seen corresponding path program 1 times [2019-12-07 20:20:46,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:46,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562851239] [2019-12-07 20:20:46,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:46,211 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:46,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:46,224 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:46,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562851239] [2019-12-07 20:20:46,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:46,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:20:46,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420773841] [2019-12-07 20:20:46,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:46,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:46,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:46,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:20:46,242 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand 8 states. [2019-12-07 20:20:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:46,299 INFO L93 Difference]: Finished difference Result 449 states and 591 transitions. [2019-12-07 20:20:46,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:20:46,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-07 20:20:46,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:46,301 INFO L225 Difference]: With dead ends: 449 [2019-12-07 20:20:46,301 INFO L226 Difference]: Without dead ends: 289 [2019-12-07 20:20:46,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:20:46,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-12-07 20:20:46,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 166. [2019-12-07 20:20:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-12-07 20:20:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2019-12-07 20:20:46,312 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 34 [2019-12-07 20:20:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:46,313 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2019-12-07 20:20:46,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2019-12-07 20:20:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 20:20:46,313 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:46,313 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:46,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:20:46,514 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:46,514 INFO L82 PathProgramCache]: Analyzing trace with hash 8043234, now seen corresponding path program 1 times [2019-12-07 20:20:46,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:46,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991140941] [2019-12-07 20:20:46,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:46,626 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:20:46,628 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:20:46,646 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:20:46,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991140941] [2019-12-07 20:20:46,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:46,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 20:20:46,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694476251] [2019-12-07 20:20:46,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:20:46,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:46,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:20:46,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:20:46,672 INFO L87 Difference]: Start difference. First operand 166 states and 213 transitions. Second operand 6 states. [2019-12-07 20:20:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:46,965 INFO L93 Difference]: Finished difference Result 555 states and 736 transitions. [2019-12-07 20:20:46,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 20:20:46,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-07 20:20:46,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:46,968 INFO L225 Difference]: With dead ends: 555 [2019-12-07 20:20:46,968 INFO L226 Difference]: Without dead ends: 443 [2019-12-07 20:20:46,968 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:20:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-12-07 20:20:47,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 375. [2019-12-07 20:20:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-12-07 20:20:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 487 transitions. [2019-12-07 20:20:47,003 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 487 transitions. Word has length 52 [2019-12-07 20:20:47,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:47,003 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 487 transitions. [2019-12-07 20:20:47,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:20:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 487 transitions. [2019-12-07 20:20:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 20:20:47,004 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:47,004 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:47,204 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:20:47,205 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:47,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:47,205 INFO L82 PathProgramCache]: Analyzing trace with hash 282802848, now seen corresponding path program 1 times [2019-12-07 20:20:47,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:47,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062586723] [2019-12-07 20:20:47,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:47,303 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:47,304 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:47,316 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:47,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062586723] [2019-12-07 20:20:47,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:47,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:20:47,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218581661] [2019-12-07 20:20:47,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:20:47,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:20:47,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:20:47,321 INFO L87 Difference]: Start difference. First operand 375 states and 487 transitions. Second operand 5 states. [2019-12-07 20:20:47,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:47,452 INFO L93 Difference]: Finished difference Result 1922 states and 2461 transitions. [2019-12-07 20:20:47,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:20:47,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-07 20:20:47,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:47,458 INFO L225 Difference]: With dead ends: 1922 [2019-12-07 20:20:47,458 INFO L226 Difference]: Without dead ends: 1553 [2019-12-07 20:20:47,459 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:20:47,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2019-12-07 20:20:47,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 742. [2019-12-07 20:20:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2019-12-07 20:20:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 939 transitions. [2019-12-07 20:20:47,512 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 939 transitions. Word has length 52 [2019-12-07 20:20:47,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:47,512 INFO L462 AbstractCegarLoop]: Abstraction has 742 states and 939 transitions. [2019-12-07 20:20:47,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:20:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 939 transitions. [2019-12-07 20:20:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 20:20:47,513 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:47,513 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:47,714 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 20:20:47,715 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:47,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:47,715 INFO L82 PathProgramCache]: Analyzing trace with hash 140278630, now seen corresponding path program 1 times [2019-12-07 20:20:47,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:47,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353218682] [2019-12-07 20:20:47,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:47,867 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:47,868 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:47,884 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:47,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353218682] [2019-12-07 20:20:47,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [207698673] [2019-12-07 20:20:47,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:47,991 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:20:47,992 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:48,003 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:48,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588932055] [2019-12-07 20:20:48,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:48,091 INFO L264 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:48,091 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:48,096 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:48,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:20:48,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2019-12-07 20:20:48,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657127291] [2019-12-07 20:20:48,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 20:20:48,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:48,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 20:20:48,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:20:48,103 INFO L87 Difference]: Start difference. First operand 742 states and 939 transitions. Second operand 9 states. [2019-12-07 20:20:48,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:48,383 INFO L93 Difference]: Finished difference Result 1834 states and 2307 transitions. [2019-12-07 20:20:48,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:20:48,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-12-07 20:20:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:48,388 INFO L225 Difference]: With dead ends: 1834 [2019-12-07 20:20:48,388 INFO L226 Difference]: Without dead ends: 1098 [2019-12-07 20:20:48,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-12-07 20:20:48,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-12-07 20:20:48,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 658. [2019-12-07 20:20:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2019-12-07 20:20:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 811 transitions. [2019-12-07 20:20:48,464 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 811 transitions. Word has length 53 [2019-12-07 20:20:48,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:48,464 INFO L462 AbstractCegarLoop]: Abstraction has 658 states and 811 transitions. [2019-12-07 20:20:48,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 20:20:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 811 transitions. [2019-12-07 20:20:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 20:20:48,465 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:48,465 INFO L410 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] [2019-12-07 20:20:49,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:49,067 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1173555437, now seen corresponding path program 1 times [2019-12-07 20:20:49,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:49,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145642949] [2019-12-07 20:20:49,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:49,201 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:20:49,202 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:49,219 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:20:49,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145642949] [2019-12-07 20:20:49,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:49,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:20:49,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171356629] [2019-12-07 20:20:49,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:20:49,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:49,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:20:49,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:20:49,230 INFO L87 Difference]: Start difference. First operand 658 states and 811 transitions. Second operand 6 states. [2019-12-07 20:20:49,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:49,602 INFO L93 Difference]: Finished difference Result 2567 states and 3159 transitions. [2019-12-07 20:20:49,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 20:20:49,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-07 20:20:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:49,608 INFO L225 Difference]: With dead ends: 2567 [2019-12-07 20:20:49,608 INFO L226 Difference]: Without dead ends: 2003 [2019-12-07 20:20:49,609 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:20:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2019-12-07 20:20:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 842. [2019-12-07 20:20:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2019-12-07 20:20:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1030 transitions. [2019-12-07 20:20:49,691 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1030 transitions. Word has length 54 [2019-12-07 20:20:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:49,691 INFO L462 AbstractCegarLoop]: Abstraction has 842 states and 1030 transitions. [2019-12-07 20:20:49,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:20:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1030 transitions. [2019-12-07 20:20:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 20:20:49,692 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:49,692 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:49,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 20:20:49,893 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1986224888, now seen corresponding path program 1 times [2019-12-07 20:20:49,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:49,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919922260] [2019-12-07 20:20:49,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:50,041 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:50,042 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:20:50,058 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:20:50,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919922260] [2019-12-07 20:20:50,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:50,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-12-07 20:20:50,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676433864] [2019-12-07 20:20:50,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:20:50,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:50,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:20:50,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:20:50,062 INFO L87 Difference]: Start difference. First operand 842 states and 1030 transitions. Second operand 6 states. [2019-12-07 20:20:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:50,368 INFO L93 Difference]: Finished difference Result 3214 states and 3960 transitions. [2019-12-07 20:20:50,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:20:50,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-07 20:20:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:50,376 INFO L225 Difference]: With dead ends: 3214 [2019-12-07 20:20:50,376 INFO L226 Difference]: Without dead ends: 2466 [2019-12-07 20:20:50,378 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:20:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2019-12-07 20:20:50,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 842. [2019-12-07 20:20:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2019-12-07 20:20:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1025 transitions. [2019-12-07 20:20:50,458 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1025 transitions. Word has length 54 [2019-12-07 20:20:50,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:50,459 INFO L462 AbstractCegarLoop]: Abstraction has 842 states and 1025 transitions. [2019-12-07 20:20:50,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:20:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1025 transitions. [2019-12-07 20:20:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 20:20:50,460 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:50,460 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:50,660 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2019-12-07 20:20:50,661 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:50,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:50,661 INFO L82 PathProgramCache]: Analyzing trace with hash 878160548, now seen corresponding path program 1 times [2019-12-07 20:20:50,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:50,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905851488] [2019-12-07 20:20:50,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:50,766 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:50,767 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:50,787 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:50,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:50,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905851488] [2019-12-07 20:20:50,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1951806872] [2019-12-07 20:20:50,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:50,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:50,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 20:20:50,928 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 20:20:50,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:20:50,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2019-12-07 20:20:50,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837559278] [2019-12-07 20:20:50,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:20:50,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:50,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:20:50,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:20:50,932 INFO L87 Difference]: Start difference. First operand 842 states and 1025 transitions. Second operand 5 states. [2019-12-07 20:20:51,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:51,176 INFO L93 Difference]: Finished difference Result 2947 states and 3625 transitions. [2019-12-07 20:20:51,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:20:51,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-12-07 20:20:51,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:51,184 INFO L225 Difference]: With dead ends: 2947 [2019-12-07 20:20:51,184 INFO L226 Difference]: Without dead ends: 2199 [2019-12-07 20:20:51,185 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:20:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2019-12-07 20:20:51,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 869. [2019-12-07 20:20:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-12-07 20:20:51,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1052 transitions. [2019-12-07 20:20:51,274 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1052 transitions. Word has length 60 [2019-12-07 20:20:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:51,274 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1052 transitions. [2019-12-07 20:20:51,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:20:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1052 transitions. [2019-12-07 20:20:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 20:20:51,275 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:51,275 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:51,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:51,677 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:51,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:51,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1136325986, now seen corresponding path program 1 times [2019-12-07 20:20:51,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:51,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342807440] [2019-12-07 20:20:51,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:51,838 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:51,839 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:51,859 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:51,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342807440] [2019-12-07 20:20:51,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [855640744] [2019-12-07 20:20:51,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:51,981 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:51,982 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:51,991 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:51,997 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407557552] [2019-12-07 20:20:51,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:52,087 INFO L264 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:52,089 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:52,098 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 20:20:52,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:20:52,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2019-12-07 20:20:52,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025343525] [2019-12-07 20:20:52,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 20:20:52,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:52,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 20:20:52,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:20:52,106 INFO L87 Difference]: Start difference. First operand 869 states and 1052 transitions. Second operand 10 states. [2019-12-07 20:20:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:53,046 INFO L93 Difference]: Finished difference Result 5628 states and 6888 transitions. [2019-12-07 20:20:53,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-12-07 20:20:53,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-12-07 20:20:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:53,062 INFO L225 Difference]: With dead ends: 5628 [2019-12-07 20:20:53,062 INFO L226 Difference]: Without dead ends: 4853 [2019-12-07 20:20:53,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2019-12-07 20:20:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2019-12-07 20:20:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 1064. [2019-12-07 20:20:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2019-12-07 20:20:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1300 transitions. [2019-12-07 20:20:53,177 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1300 transitions. Word has length 60 [2019-12-07 20:20:53,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:53,177 INFO L462 AbstractCegarLoop]: Abstraction has 1064 states and 1300 transitions. [2019-12-07 20:20:53,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 20:20:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1300 transitions. [2019-12-07 20:20:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-07 20:20:53,179 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:53,179 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:53,780 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:53,780 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash -972271842, now seen corresponding path program 1 times [2019-12-07 20:20:53,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:53,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706933958] [2019-12-07 20:20:53,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:53,908 INFO L264 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:20:53,909 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-12-07 20:20:53,921 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-12-07 20:20:53,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706933958] [2019-12-07 20:20:53,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:53,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:20:53,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758833552] [2019-12-07 20:20:53,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:20:53,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:53,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:20:53,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:20:53,936 INFO L87 Difference]: Start difference. First operand 1064 states and 1300 transitions. Second operand 6 states. [2019-12-07 20:20:54,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:54,065 INFO L93 Difference]: Finished difference Result 2271 states and 2783 transitions. [2019-12-07 20:20:54,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:20:54,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2019-12-07 20:20:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:54,069 INFO L225 Difference]: With dead ends: 2271 [2019-12-07 20:20:54,069 INFO L226 Difference]: Without dead ends: 1213 [2019-12-07 20:20:54,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:20:54,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2019-12-07 20:20:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1014. [2019-12-07 20:20:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2019-12-07 20:20:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1236 transitions. [2019-12-07 20:20:54,208 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1236 transitions. Word has length 109 [2019-12-07 20:20:54,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:54,209 INFO L462 AbstractCegarLoop]: Abstraction has 1014 states and 1236 transitions. [2019-12-07 20:20:54,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:20:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1236 transitions. [2019-12-07 20:20:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-07 20:20:54,210 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:54,210 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2019-12-07 20:20:54,411 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3 [2019-12-07 20:20:54,411 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:54,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1567211294, now seen corresponding path program 1 times [2019-12-07 20:20:54,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:54,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735329541] [2019-12-07 20:20:54,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:54,548 INFO L264 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:54,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-07 20:20:54,576 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-07 20:20:54,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735329541] [2019-12-07 20:20:54,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:54,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 20:20:54,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376978880] [2019-12-07 20:20:54,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 20:20:54,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:54,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 20:20:54,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:20:54,612 INFO L87 Difference]: Start difference. First operand 1014 states and 1236 transitions. Second operand 10 states. [2019-12-07 20:20:55,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:55,044 INFO L93 Difference]: Finished difference Result 3063 states and 3718 transitions. [2019-12-07 20:20:55,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 20:20:55,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2019-12-07 20:20:55,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:55,051 INFO L225 Difference]: With dead ends: 3063 [2019-12-07 20:20:55,051 INFO L226 Difference]: Without dead ends: 2055 [2019-12-07 20:20:55,052 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:20:55,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2019-12-07 20:20:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 900. [2019-12-07 20:20:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2019-12-07 20:20:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1089 transitions. [2019-12-07 20:20:55,147 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1089 transitions. Word has length 135 [2019-12-07 20:20:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:55,147 INFO L462 AbstractCegarLoop]: Abstraction has 900 states and 1089 transitions. [2019-12-07 20:20:55,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 20:20:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1089 transitions. [2019-12-07 20:20:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-07 20:20:55,149 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:55,149 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:55,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 mathsat -unsat_core_generation=3 [2019-12-07 20:20:55,350 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:55,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1796867883, now seen corresponding path program 1 times [2019-12-07 20:20:55,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:55,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129451054] [2019-12-07 20:20:55,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:55,533 INFO L264 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:20:55,535 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-12-07 20:20:55,561 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:55,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-12-07 20:20:55,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129451054] [2019-12-07 20:20:55,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1542932444] [2019-12-07 20:20:55,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:20:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:55,702 INFO L264 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 20:20:55,704 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 20:20:55,763 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 20:20:55,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45826146] [2019-12-07 20:20:55,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:20:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:20:55,994 INFO L264 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 20:20:55,995 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:56,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-07 20:20:56,066 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:56,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:20:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-07 20:20:56,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2019-12-07 20:20:56,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2019-12-07 20:20:56,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227533564] [2019-12-07 20:20:56,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:56,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:56,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:56,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2019-12-07 20:20:56,120 INFO L87 Difference]: Start difference. First operand 900 states and 1089 transitions. Second operand 8 states. [2019-12-07 20:20:56,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:56,931 INFO L93 Difference]: Finished difference Result 3817 states and 4660 transitions. [2019-12-07 20:20:56,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 20:20:56,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2019-12-07 20:20:56,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:56,940 INFO L225 Difference]: With dead ends: 3817 [2019-12-07 20:20:56,941 INFO L226 Difference]: Without dead ends: 2923 [2019-12-07 20:20:56,942 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 826 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2019-12-07 20:20:56,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2019-12-07 20:20:57,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 1018. [2019-12-07 20:20:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2019-12-07 20:20:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1232 transitions. [2019-12-07 20:20:57,070 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1232 transitions. Word has length 141 [2019-12-07 20:20:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:57,070 INFO L462 AbstractCegarLoop]: Abstraction has 1018 states and 1232 transitions. [2019-12-07 20:20:57,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1232 transitions. [2019-12-07 20:20:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-07 20:20:57,072 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:20:57,072 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:20:57,674 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt --rewrite-divk,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 mathsat -unsat_core_generation=3 [2019-12-07 20:20:57,674 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:20:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:20:57,675 INFO L82 PathProgramCache]: Analyzing trace with hash -932008273, now seen corresponding path program 2 times [2019-12-07 20:20:57,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:20:57,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652663094] [2019-12-07 20:20:57,678 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2019-12-07 20:20:58,512 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 20:20:58,512 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 20:20:58,542 INFO L264 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:20:58,544 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:20:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 20:20:58,565 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:20:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 20:20:58,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652663094] [2019-12-07 20:20:58,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:20:58,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:20:58,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756416873] [2019-12-07 20:20:58,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:20:58,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:20:58,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:20:58,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:20:58,591 INFO L87 Difference]: Start difference. First operand 1018 states and 1232 transitions. Second operand 8 states. [2019-12-07 20:20:58,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:20:58,660 INFO L93 Difference]: Finished difference Result 1329 states and 1599 transitions. [2019-12-07 20:20:58,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:20:58,660 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2019-12-07 20:20:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:20:58,660 INFO L225 Difference]: With dead ends: 1329 [2019-12-07 20:20:58,661 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:20:58,662 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:20:58,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:20:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:20:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:20:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:20:58,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2019-12-07 20:20:58,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:20:58,663 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:20:58,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:20:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:20:58,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:20:58,863 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 mathsat -unsat_core_generation=3 [2019-12-07 20:20:58,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:20:59,209 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 189 [2019-12-07 20:20:59,639 WARN L192 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 286 [2019-12-07 20:21:00,311 WARN L192 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 333 [2019-12-07 20:21:00,523 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 189 [2019-12-07 20:21:01,186 WARN L192 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 331 [2019-12-07 20:21:01,354 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 209 [2019-12-07 20:21:01,517 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 204 [2019-12-07 20:21:02,151 WARN L192 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 331 [2019-12-07 20:21:02,472 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 245 [2019-12-07 20:21:03,884 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 184 DAG size of output: 42 [2019-12-07 20:21:06,292 WARN L192 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 282 DAG size of output: 48 [2019-12-07 20:21:06,753 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2019-12-07 20:21:06,919 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-12-07 20:21:11,319 WARN L192 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 331 DAG size of output: 53 [2019-12-07 20:21:11,903 WARN L192 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 43 [2019-12-07 20:21:13,054 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2019-12-07 20:21:17,359 WARN L192 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 328 DAG size of output: 52 [2019-12-07 20:21:18,736 WARN L192 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 202 DAG size of output: 55 [2019-12-07 20:21:20,050 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 197 DAG size of output: 46 [2019-12-07 20:21:24,523 WARN L192 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 328 DAG size of output: 52 [2019-12-07 20:21:24,702 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 38 [2019-12-07 20:21:27,151 WARN L192 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 238 DAG size of output: 51 [2019-12-07 20:21:27,599 WARN L192 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 41 [2019-12-07 20:21:27,759 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 46 [2019-12-07 20:21:27,762 INFO L246 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-12-07 20:21:27,762 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-12-07 20:21:27,762 INFO L242 CegarLoopResult]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse10 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse5 .cse4 .cse6 .cse7) (and .cse9 .cse1 .cse10 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse1 .cse6 .cse7) (and .cse9 .cse11 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse6 .cse7))) [2019-12-07 20:21:27,762 INFO L246 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,762 INFO L246 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,762 INFO L246 CegarLoopResult]: For program point L961-3(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-5(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-6(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-8(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-9(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-11(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-12(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-14(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-15(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-17(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-18(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-20(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-21(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-23(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-24(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,763 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,763 INFO L246 CegarLoopResult]: For program point L961-26(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,763 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L961-27(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse9 .cse3 .cse5 .cse6) (and .cse7 .cse1 .cse9 .cse8 .cse2 .cse5 .cse6))) [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L961-29(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L961-30(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-6(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-7(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L961-32(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-8(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L961-33(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-9(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L863-1(lines 863 871) no Hoare annotation was computed. [2019-12-07 20:21:27,764 INFO L242 CegarLoopResult]: At program point L136-10(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,764 INFO L246 CegarLoopResult]: For program point L961-35(lines 961 965) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L863-2(lines 863 871) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L242 CegarLoopResult]: At program point L136-11(lines 127 140) the Hoare annotation is: false [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L833-3(lines 833 850) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L833-4(lines 833 850) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L833-5(lines 833 850) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L272-2(lines 272 292) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L249 CegarLoopResult]: At program point L239-1(lines 239 246) the Hoare annotation is: true [2019-12-07 20:21:27,765 INFO L246 CegarLoopResult]: For program point L272-4(lines 272 292) no Hoare annotation was computed. [2019-12-07 20:21:27,765 INFO L242 CegarLoopResult]: At program point L967(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,765 INFO L242 CegarLoopResult]: At program point L967-1(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,765 INFO L242 CegarLoopResult]: At program point L967-2(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,765 INFO L242 CegarLoopResult]: At program point L967-3(lines 952 970) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv2 32))) (.cse15 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse14 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse5 .cse11 .cse12 .cse13 .cse14 .cse7 .cse8 .cse15) (and .cse10 .cse2 .cse5 .cse3 .cse11 .cse12 .cse13 .cse7 .cse8 .cse15) (and .cse0 .cse1 .cse2 .cse5 .cse4 .cse6 .cse14 .cse7 .cse8 .cse9))) [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-4(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-5(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-6(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-7(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-8(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-9(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-10(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L967-11(lines 952 970) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L903(lines 896 906) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse2 .cse1 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32))))) [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L903-1(lines 896 906) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-12-07 20:21:27,766 INFO L242 CegarLoopResult]: At program point L903-2(lines 896 906) the Hoare annotation is: false [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point L837-3(lines 837 845) no Hoare annotation was computed. [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point L837-4(lines 837 845) no Hoare annotation was computed. [2019-12-07 20:21:27,766 INFO L246 CegarLoopResult]: For program point L837-5(lines 837 845) no Hoare annotation was computed. [2019-12-07 20:21:27,767 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 20:21:27,767 INFO L246 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-12-07 20:21:27,767 INFO L246 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L278-1(lines 1 997) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv1 32))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse10 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse1 .cse7 .cse8 .cse4 .cse5) (and .cse9 .cse6 .cse2 .cse7 .cse10 .cse11 (= ~waterLevel~0 (_ bv2 32)) .cse8 .cse4 .cse5 .cse12) (and .cse9 .cse2 .cse10 .cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)) .cse12 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse11 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse5))) [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L212(lines 208 214) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-12-07 20:21:27,767 INFO L246 CegarLoopResult]: For program point L278-2(lines 278 291) no Hoare annotation was computed. [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L278-3(lines 1 997) the Hoare annotation is: false [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~8 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:27,767 INFO L246 CegarLoopResult]: For program point L278-4(lines 278 291) no Hoare annotation was computed. [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L278-5(lines 1 997) the Hoare annotation is: false [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L146-3(lines 141 149) the Hoare annotation is: false [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L146-4(lines 141 149) the Hoare annotation is: false [2019-12-07 20:21:27,767 INFO L242 CegarLoopResult]: At program point L146-5(lines 141 149) the Hoare annotation is: false [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-6(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-7(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-8(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-9(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-10(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L807-11(lines 807 824) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L242 CegarLoopResult]: At program point L775(lines 774 793) the Hoare annotation is: (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse10 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse3 .cse4 .cse10) (and .cse5 .cse1 .cse7 .cse8 .cse9 .cse2 .cse3 .cse4 .cse10) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse6 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse4))) [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L242 CegarLoopResult]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-12-07 20:21:27,768 INFO L242 CegarLoopResult]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-12-07 20:21:27,768 INFO L246 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-12-07 20:21:27,768 INFO L249 CegarLoopResult]: At program point L248(lines 229 251) the Hoare annotation is: true [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L282-2(lines 282 288) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L282-4(lines 282 288) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-6(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-7(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-8(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-9(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-10(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point L811-11(lines 811 819) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:21:27,769 INFO L242 CegarLoopResult]: At program point L912(lines 907 915) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:27,769 INFO L242 CegarLoopResult]: At program point L912-1(lines 907 915) the Hoare annotation is: false [2019-12-07 20:21:27,770 INFO L242 CegarLoopResult]: At program point L912-2(lines 907 915) the Hoare annotation is: false [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L242 CegarLoopResult]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse10 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse5 .cse4 .cse6 .cse7) (and .cse9 .cse1 .cse10 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse1 .cse6 .cse7) (and .cse9 .cse11 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse6 .cse7))) [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L242 CegarLoopResult]: At program point L319(lines 1 997) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L980-3(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L980-5(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L242 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse6 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse1 .cse7 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse7 .cse9 .cse10 .cse11 .cse4 .cse5 .cse12) (and .cse8 .cse1 .cse9 .cse10 .cse11 .cse3 .cse4 .cse5 .cse12))) [2019-12-07 20:21:27,770 INFO L246 CegarLoopResult]: For program point L980-6(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,770 INFO L242 CegarLoopResult]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-8(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L242 CegarLoopResult]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-9(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-11(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-12(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-14(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-15(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point L980-17(lines 980 984) no Hoare annotation was computed. [2019-12-07 20:21:27,771 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 .cse3 .cse4 .cse5 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 20:21:27,771 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-12-07 20:21:27,771 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-12-07 20:21:27,771 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6 .cse7))) [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse12 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse8 .cse5 .cse6) (and .cse9 .cse7 .cse2 .cse10 .cse11 .cse12 .cse8 .cse5 .cse6 .cse13) (and .cse0 .cse9 .cse2 .cse10 .cse11 .cse12 .cse4 .cse5 .cse6 .cse13))) [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-12-07 20:21:27,772 INFO L246 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-12-07 20:21:27,772 INFO L242 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse10 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv1 32))) (.cse13 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 (_ bv0 32)) .cse8) (and .cse9 .cse10 .cse1 .cse5 .cse6 .cse7) (and .cse9 .cse1 .cse11 .cse10 .cse12 .cse13 .cse6 .cse7) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse12 .cse4 .cse13 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse5 .cse4 .cse6 .cse7) (and .cse9 .cse11 .cse1 .cse12 .cse13 .cse4 .cse6 .cse7))) [2019-12-07 20:21:27,772 INFO L246 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2019-12-07 20:21:27,772 INFO L246 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2019-12-07 20:21:27,772 INFO L246 CegarLoopResult]: For program point L257-2(line 257) no Hoare annotation was computed. [2019-12-07 20:21:27,773 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L986(lines 971 989) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~8 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L986-1(lines 971 989) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L986-2(lines 971 989) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L986-3(lines 971 989) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L986-4(lines 971 989) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L986-5(lines 971 989) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L327(lines 322 330) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L242 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: false [2019-12-07 20:21:27,773 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-12-07 20:21:27,773 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,773 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-6(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-7(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-8(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-9(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-10(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L131-11(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 20:21:27,774 INFO L246 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2019-12-07 20:21:27,775 INFO L246 CegarLoopResult]: For program point L859-1(lines 859 876) no Hoare annotation was computed. [2019-12-07 20:21:27,775 INFO L246 CegarLoopResult]: For program point L859-2(lines 859 876) no Hoare annotation was computed. [2019-12-07 20:21:27,775 INFO L246 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-12-07 20:21:27,775 INFO L246 CegarLoopResult]: For program point L167-1(lines 775 781) no Hoare annotation was computed. [2019-12-07 20:21:27,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:21:27 BoogieIcfgContainer [2019-12-07 20:21:27,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:21:27,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:21:27,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:21:27,810 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:21:27,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:20:41" (3/4) ... [2019-12-07 20:21:27,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:21:27,829 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:21:27,830 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:21:27,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:21:27,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:21:27,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:21:27,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:21:27,836 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:21:27,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result [2019-12-07 20:21:27,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result [2019-12-07 20:21:27,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 1bv32) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:21:27,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && tmp == 1bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:21:27,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:21:27,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:21:27,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:21:27,864 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32)))) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) [2019-12-07 20:21:27,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) [2019-12-07 20:21:27,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) [2019-12-07 20:21:27,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || ((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) [2019-12-07 20:21:27,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) || ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == \result) [2019-12-07 20:21:27,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:21:27,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) || (((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) [2019-12-07 20:21:27,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 [2019-12-07 20:21:27,868 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && \result == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 20:21:27,869 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 20:21:27,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_176c242c-fe24-442e-a0dc-181ff5c5b4b8/bin/utaipan/witness.graphml [2019-12-07 20:21:27,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:21:27,916 INFO L168 Benchmark]: Toolchain (without parser) took 47293.54 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 751.3 MB). Free memory was 952.4 MB in the beginning and 1.7 GB in the end (delta: -779.7 MB). Peak memory consumption was 947.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:27,916 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:21:27,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:27,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:21:27,916 INFO L168 Benchmark]: Boogie Preprocessor took 41.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:27,916 INFO L168 Benchmark]: RCFGBuilder took 707.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 89.8 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:27,917 INFO L168 Benchmark]: TraceAbstraction took 45982.73 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 665.3 MB). Free memory was 994.5 MB in the beginning and 803.4 MB in the end (delta: 191.1 MB). Peak memory consumption was 859.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:27,917 INFO L168 Benchmark]: Witness Printer took 105.28 ms. Allocated memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: -41.4 MB). Free memory was 803.4 MB in the beginning and 1.7 GB in the end (delta: -928.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:21:27,918 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 707.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 89.8 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45982.73 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 665.3 MB). Free memory was 994.5 MB in the beginning and 803.4 MB in the end (delta: 191.1 MB). Peak memory consumption was 859.3 MB. Max. memory is 11.5 GB. * Witness Printer took 105.28 ms. Allocated memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: -41.4 MB). Free memory was 803.4 MB in the beginning and 1.7 GB in the end (delta: -928.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 257]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 257]: 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: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && \result == 1bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32)))) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && \result == 0bv32) && tmp == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || ((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 1bv32) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (((((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) || (((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((((((0bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((((((1bv32 == \result && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) && \result == 0bv32) && 1bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((((((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && tmp == 1bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32))) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 1bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 2bv32 == \result) || ((((((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 1bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Result: SAFE, OverallTime: 16.9s, OverallIterations: 20, TraceHistogramMax: 5, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.8s, HoareTripleCheckerStatistics: 2825 SDtfs, 6762 SDslu, 7870 SDs, 0 SdLazy, 1179 SolverSat, 227 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3531 GetRequests, 3336 SyntacticMatches, 5 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 13769 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 70 PreInvPairs, 194 NumberOfFragments, 1856 HoareAnnotationTreeSize, 70 FomulaSimplifications, 11250743116 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 893666811 FormulaSimplificationTreeSizeReductionInter, 25.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1735 NumberOfCodeBlocks, 1735 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3416 ConstructedInterpolants, 0 QuantifiedInterpolants, 695174 SizeOfPredicates, 91 NumberOfNonLiveVariables, 6659 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 54 InterpolantComputations, 35 PerfectInterpolantSequences, 2216/2720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...