./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.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_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ...................................................................................................................................... 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_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:58:58,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:58:58,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:58:58,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:58:58,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:58:58,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:58:58,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:58:58,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:58:58,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:58:58,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:58:58,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:58:58,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:58:58,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:58:58,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:58:58,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:58:58,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:58:58,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:58:58,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:58:58,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:58:58,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:58:58,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:58:58,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:58:58,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:58:58,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:58:58,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:58:58,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:58:58,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:58:58,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:58:58,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:58:58,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:58:58,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:58:58,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:58:58,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:58:58,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:58:58,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:58:58,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:58:58,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:58:58,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:58:58,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:58:58,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:58:58,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:58:58,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:58:58,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:58:58,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:58:58,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:58:58,297 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:58:58,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:58:58,297 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:58:58,297 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:58:58,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:58:58,298 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:58:58,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:58:58,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:58:58,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:58:58,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:58:58,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:58:58,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:58:58,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:58:58,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:58:58,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:58:58,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:58:58,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:58:58,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:58:58,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:58:58,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:58:58,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:58:58,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:58:58,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:58:58,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:58:58,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:58:58,302 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_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2019-12-07 13:58:58,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:58:58,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:58:58,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:58:58,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:58:58,417 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:58:58,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-12-07 13:58:58,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/c3ab52e8d/9ca881b97ef046a0a0635afa16726562/FLAG9abc26efd [2019-12-07 13:58:58,922 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:58:58,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-12-07 13:58:58,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/c3ab52e8d/9ca881b97ef046a0a0635afa16726562/FLAG9abc26efd [2019-12-07 13:58:59,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/c3ab52e8d/9ca881b97ef046a0a0635afa16726562 [2019-12-07 13:58:59,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:58:59,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:58:59,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:58:59,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:58:59,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:58:59,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:58:59" (1/1) ... [2019-12-07 13:58:59,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcbd8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:59, skipping insertion in model container [2019-12-07 13:58:59,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:58:59" (1/1) ... [2019-12-07 13:58:59,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:58:59,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:58:59,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:58:59,694 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 13:58:59,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e573b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:59, skipping insertion in model container [2019-12-07 13:58:59,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:58:59,695 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:58:59,697 INFO L168 Benchmark]: Toolchain (without parser) took 252.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:59,697 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:58:59,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:59,699 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 621]: 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 13:59:00,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:59:00,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:59:00,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:59:00,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:59:00,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:59:00,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:59:00,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:59:00,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:59:00,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:59:00,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:59:00,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:59:00,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:59:00,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:59:00,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:59:00,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:59:00,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:59:00,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:59:00,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:59:00,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:59:00,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:59:00,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:59:00,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:59:00,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:59:00,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:59:00,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:59:00,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:59:00,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:59:00,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:59:00,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:59:00,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:59:00,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:59:00,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:59:00,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:59:00,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:59:00,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:59:00,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:59:00,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:59:00,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:59:00,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:59:00,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:59:00,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:59:00,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:59:00,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:59:00,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:59:00,915 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:59:00,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:59:00,915 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:59:00,916 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:59:00,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:59:00,916 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:59:00,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:59:00,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:59:00,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:59:00,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:59:00,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:59:00,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:59:00,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:59:00,918 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:59:00,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:59:00,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:59:00,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:59:00,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:59:00,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:59:00,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:59:00,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:59:00,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:59:00,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:59:00,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:59:00,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:59:00,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:59:00,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:59:00,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:59:00,921 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:59:00,921 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:59:00,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:59:00,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:59:00,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:59:00,922 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_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2019-12-07 13:59:01,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:59:01,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:59:01,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:59:01,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:59:01,103 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:59:01,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-12-07 13:59:01,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/d4d8312c1/224b609859b24bceb077193267c5d5cc/FLAG25d06e8e6 [2019-12-07 13:59:01,578 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:59:01,578 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-12-07 13:59:01,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/d4d8312c1/224b609859b24bceb077193267c5d5cc/FLAG25d06e8e6 [2019-12-07 13:59:01,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/data/d4d8312c1/224b609859b24bceb077193267c5d5cc [2019-12-07 13:59:01,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:59:01,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:59:01,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:59:01,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:59:01,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:59:01,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:01,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01, skipping insertion in model container [2019-12-07 13:59:01,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:01,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:59:01,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:59:01,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:01,872 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:59:01,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:59:01,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:01,924 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:59:01,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:59:01,986 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:59:01,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01 WrapperNode [2019-12-07 13:59:01,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:59:01,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:59:01,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:59:01,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:59:01,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:59:02,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:59:02,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:59:02,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:59:02,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... [2019-12-07 13:59:02,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:59:02,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:59:02,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:59:02,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:59:02,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:59:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:59:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:59:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:59:02,674 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:59:02,674 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 13:59:02,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:59:02 BoogieIcfgContainer [2019-12-07 13:59:02,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:59:02,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:59:02,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:59:02,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:59:02,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:59:01" (1/3) ... [2019-12-07 13:59:02,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baf46ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:59:02, skipping insertion in model container [2019-12-07 13:59:02,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:59:01" (2/3) ... [2019-12-07 13:59:02,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baf46ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:59:02, skipping insertion in model container [2019-12-07 13:59:02,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:59:02" (3/3) ... [2019-12-07 13:59:02,682 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-12-07 13:59:02,689 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:59:02,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:59:02,702 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:59:02,719 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:59:02,719 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:59:02,719 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:59:02,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:59:02,719 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:59:02,719 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:59:02,719 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:59:02,719 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:59:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 13:59:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:59:02,737 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:02,737 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 13:59:02,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:02,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1255950434, now seen corresponding path program 1 times [2019-12-07 13:59:02,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:02,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068244074] [2019-12-07 13:59:02,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:02,877 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:59:02,881 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:02,891 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 13:59:02,892 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:02,895 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 13:59:02,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068244074] [2019-12-07 13:59:02,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:02,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:59:02,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325073428] [2019-12-07 13:59:02,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:59:02,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:02,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:59:02,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:59:02,911 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 13:59:02,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:02,933 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2019-12-07 13:59:02,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:59:02,934 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:59:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:02,942 INFO L225 Difference]: With dead ends: 227 [2019-12-07 13:59:02,943 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 13:59:02,945 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 13:59:02,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 13:59:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 13:59:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 13:59:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2019-12-07 13:59:02,976 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2019-12-07 13:59:02,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:02,977 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2019-12-07 13:59:02,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:59:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2019-12-07 13:59:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:59:02,978 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:02,978 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 13:59:03,179 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:59:03,179 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:03,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:03,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1139511005, now seen corresponding path program 1 times [2019-12-07 13:59:03,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:03,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874350231] [2019-12-07 13:59:03,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:03,338 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:03,340 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:03,354 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 13:59:03,354 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:03,362 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 13:59:03,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874350231] [2019-12-07 13:59:03,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:03,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:59:03,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528763783] [2019-12-07 13:59:03,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:59:03,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:03,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:59:03,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:03,365 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 4 states. [2019-12-07 13:59:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:03,376 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2019-12-07 13:59:03,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:03,377 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:59:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:03,378 INFO L225 Difference]: With dead ends: 113 [2019-12-07 13:59:03,378 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 13:59:03,379 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 13:59:03,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 13:59:03,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 13:59:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 13:59:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-12-07 13:59:03,384 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-12-07 13:59:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:03,384 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-12-07 13:59:03,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:59:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-12-07 13:59:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:59:03,385 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:03,385 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 13:59:03,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:59:03,586 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:03,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:03,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2019-12-07 13:59:03,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:03,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591589355] [2019-12-07 13:59:03,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:03,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:03,691 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:03,699 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 13:59:03,700 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:03,706 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 13:59:03,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591589355] [2019-12-07 13:59:03,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:03,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 13:59:03,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662147257] [2019-12-07 13:59:03,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:59:03,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:03,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:59:03,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:03,708 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2019-12-07 13:59:03,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:03,724 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2019-12-07 13:59:03,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:59:03,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:59:03,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:03,726 INFO L225 Difference]: With dead ends: 157 [2019-12-07 13:59:03,726 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 13:59:03,727 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 13:59:03,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 13:59:03,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 69. [2019-12-07 13:59:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-12-07 13:59:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2019-12-07 13:59:03,737 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2019-12-07 13:59:03,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:03,738 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2019-12-07 13:59:03,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:59:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2019-12-07 13:59:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:59:03,739 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:03,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:03,940 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:59:03,940 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:03,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2019-12-07 13:59:03,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:03,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092051594] [2019-12-07 13:59:03,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:04,118 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:04,119 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:04,126 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 13:59:04,127 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:04,129 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 13:59:04,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092051594] [2019-12-07 13:59:04,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:04,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:59:04,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087963200] [2019-12-07 13:59:04,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:59:04,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:04,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:59:04,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:59:04,130 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2019-12-07 13:59:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:04,186 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2019-12-07 13:59:04,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:04,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 13:59:04,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:04,188 INFO L225 Difference]: With dead ends: 153 [2019-12-07 13:59:04,188 INFO L226 Difference]: Without dead ends: 91 [2019-12-07 13:59:04,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:59:04,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-12-07 13:59:04,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2019-12-07 13:59:04,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-12-07 13:59:04,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2019-12-07 13:59:04,197 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2019-12-07 13:59:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:04,197 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2019-12-07 13:59:04,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:59:04,198 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2019-12-07 13:59:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 13:59:04,199 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:04,199 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 13:59:04,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:59:04,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:04,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2019-12-07 13:59:04,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:04,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473393135] [2019-12-07 13:59:04,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:04,531 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:04,533 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:04,545 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 13:59:04,545 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:04,551 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 13:59:04,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473393135] [2019-12-07 13:59:04,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:04,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 13:59:04,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468395907] [2019-12-07 13:59:04,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:59:04,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:04,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:59:04,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:59:04,553 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2019-12-07 13:59:04,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:04,631 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2019-12-07 13:59:04,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:59:04,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 13:59:04,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:04,633 INFO L225 Difference]: With dead ends: 420 [2019-12-07 13:59:04,634 INFO L226 Difference]: Without dead ends: 338 [2019-12-07 13:59:04,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:59:04,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-12-07 13:59:04,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2019-12-07 13:59:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-12-07 13:59:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2019-12-07 13:59:04,653 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2019-12-07 13:59:04,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:04,653 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2019-12-07 13:59:04,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:59:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2019-12-07 13:59:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 13:59:04,654 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:04,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:04,854 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:59:04,855 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:04,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:04,856 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2019-12-07 13:59:04,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:04,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596856354] [2019-12-07 13:59:04,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:04,967 INFO L264 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:04,968 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:04,981 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:04,983 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 13:59:04,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596856354] [2019-12-07 13:59:04,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:04,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:59:04,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512756364] [2019-12-07 13:59:04,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:59:04,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:04,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:59:04,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:59:04,985 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2019-12-07 13:59:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:05,145 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2019-12-07 13:59:05,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:59:05,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 13:59:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:05,147 INFO L225 Difference]: With dead ends: 589 [2019-12-07 13:59:05,147 INFO L226 Difference]: Without dead ends: 436 [2019-12-07 13:59:05,148 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:59:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-12-07 13:59:05,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2019-12-07 13:59:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-12-07 13:59:05,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2019-12-07 13:59:05,160 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2019-12-07 13:59:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:05,161 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2019-12-07 13:59:05,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:59:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2019-12-07 13:59:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 13:59:05,162 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:05,162 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 13:59:05,362 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 13:59:05,363 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:05,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:05,364 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2019-12-07 13:59:05,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:05,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260378687] [2019-12-07 13:59:05,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:05,580 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:59:05,581 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:05,591 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 13:59:05,591 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:05,594 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 13:59:05,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260378687] [2019-12-07 13:59:05,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:05,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 13:59:05,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989306236] [2019-12-07 13:59:05,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:59:05,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:05,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:59:05,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:59:05,595 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2019-12-07 13:59:05,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:05,649 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2019-12-07 13:59:05,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:59:05,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 13:59:05,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:05,652 INFO L225 Difference]: With dead ends: 471 [2019-12-07 13:59:05,652 INFO L226 Difference]: Without dead ends: 320 [2019-12-07 13:59:05,652 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 13:59:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-12-07 13:59:05,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2019-12-07 13:59:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-12-07 13:59:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2019-12-07 13:59:05,669 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2019-12-07 13:59:05,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:05,669 INFO L462 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2019-12-07 13:59:05,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:59:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2019-12-07 13:59:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 13:59:05,671 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:05,671 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 13:59:05,872 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 13:59:05,873 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:05,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:05,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2019-12-07 13:59:05,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:05,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422520659] [2019-12-07 13:59:05,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:05,991 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:59:05,992 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:05,999 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 13:59:05,999 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:06,008 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 13:59:06,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422520659] [2019-12-07 13:59:06,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:06,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 13:59:06,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824869540] [2019-12-07 13:59:06,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:59:06,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:06,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:59:06,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:59:06,010 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 6 states. [2019-12-07 13:59:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:06,077 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2019-12-07 13:59:06,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:59:06,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 13:59:06,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:06,079 INFO L225 Difference]: With dead ends: 505 [2019-12-07 13:59:06,079 INFO L226 Difference]: Without dead ends: 342 [2019-12-07 13:59:06,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 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 13:59:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-12-07 13:59:06,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2019-12-07 13:59:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-12-07 13:59:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2019-12-07 13:59:06,091 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2019-12-07 13:59:06,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:06,092 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2019-12-07 13:59:06,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:59:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2019-12-07 13:59:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 13:59:06,092 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:06,093 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 13:59:06,293 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 13:59:06,294 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:06,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:06,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2019-12-07 13:59:06,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:06,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964224550] [2019-12-07 13:59:06,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:06,390 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:06,391 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:06,397 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 13:59:06,397 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:06,410 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 13:59:06,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964224550] [2019-12-07 13:59:06,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:06,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 13:59:06,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806084546] [2019-12-07 13:59:06,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:59:06,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:06,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:59:06,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:06,411 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 4 states. [2019-12-07 13:59:06,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:06,462 INFO L93 Difference]: Finished difference Result 580 states and 789 transitions. [2019-12-07 13:59:06,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:59:06,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 13:59:06,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:06,464 INFO L225 Difference]: With dead ends: 580 [2019-12-07 13:59:06,464 INFO L226 Difference]: Without dead ends: 409 [2019-12-07 13:59:06,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 13:59:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-12-07 13:59:06,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2019-12-07 13:59:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-12-07 13:59:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2019-12-07 13:59:06,482 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 33 [2019-12-07 13:59:06,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:06,482 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2019-12-07 13:59:06,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:59:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2019-12-07 13:59:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 13:59:06,483 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:06,483 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 13:59:06,684 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 13:59:06,685 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:06,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:06,686 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2019-12-07 13:59:06,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:06,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157475040] [2019-12-07 13:59:06,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:06,838 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:06,839 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:06,843 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 13:59:06,843 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:06,846 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 13:59:06,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157475040] [2019-12-07 13:59:06,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:06,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:59:06,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634028359] [2019-12-07 13:59:06,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:59:06,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:06,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:59:06,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:59:06,847 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand 3 states. [2019-12-07 13:59:06,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:06,906 INFO L93 Difference]: Finished difference Result 519 states and 692 transitions. [2019-12-07 13:59:06,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:06,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 13:59:06,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:06,909 INFO L225 Difference]: With dead ends: 519 [2019-12-07 13:59:06,910 INFO L226 Difference]: Without dead ends: 517 [2019-12-07 13:59:06,910 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 13:59:06,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2019-12-07 13:59:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 388. [2019-12-07 13:59:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-12-07 13:59:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 530 transitions. [2019-12-07 13:59:06,938 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 530 transitions. Word has length 34 [2019-12-07 13:59:06,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:06,938 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 530 transitions. [2019-12-07 13:59:06,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:59:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 530 transitions. [2019-12-07 13:59:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 13:59:06,939 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:06,939 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, 1, 1] [2019-12-07 13:59:07,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 13:59:07,140 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:07,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:07,140 INFO L82 PathProgramCache]: Analyzing trace with hash -540947520, now seen corresponding path program 1 times [2019-12-07 13:59:07,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:07,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799735790] [2019-12-07 13:59:07,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:07,240 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 13:59:07,241 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:07,263 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 13:59:07,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799735790] [2019-12-07 13:59:07,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:07,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 13:59:07,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899037710] [2019-12-07 13:59:07,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 13:59:07,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:07,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 13:59:07,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:59:07,298 INFO L87 Difference]: Start difference. First operand 388 states and 530 transitions. Second operand 10 states. [2019-12-07 13:59:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:07,731 INFO L93 Difference]: Finished difference Result 1512 states and 2051 transitions. [2019-12-07 13:59:07,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 13:59:07,731 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-12-07 13:59:07,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:07,735 INFO L225 Difference]: With dead ends: 1512 [2019-12-07 13:59:07,736 INFO L226 Difference]: Without dead ends: 1131 [2019-12-07 13:59:07,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2019-12-07 13:59:07,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2019-12-07 13:59:07,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 321. [2019-12-07 13:59:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-12-07 13:59:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2019-12-07 13:59:07,761 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 56 [2019-12-07 13:59:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:07,761 INFO L462 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2019-12-07 13:59:07,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 13:59:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2019-12-07 13:59:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 13:59:07,762 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:07,762 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:07,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 13:59:07,964 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:07,964 INFO L82 PathProgramCache]: Analyzing trace with hash -2106888905, now seen corresponding path program 1 times [2019-12-07 13:59:07,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:07,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759233019] [2019-12-07 13:59:07,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/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 13:59:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:08,102 INFO L264 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:08,103 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:08,109 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:59:08,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759233019] [2019-12-07 13:59:08,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:08,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:59:08,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067696337] [2019-12-07 13:59:08,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:59:08,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:08,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:59:08,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:59:08,116 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand 4 states. [2019-12-07 13:59:08,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:08,304 INFO L93 Difference]: Finished difference Result 619 states and 828 transitions. [2019-12-07 13:59:08,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:08,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-12-07 13:59:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:08,306 INFO L225 Difference]: With dead ends: 619 [2019-12-07 13:59:08,306 INFO L226 Difference]: Without dead ends: 305 [2019-12-07 13:59:08,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 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 13:59:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-12-07 13:59:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2019-12-07 13:59:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2019-12-07 13:59:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2019-12-07 13:59:08,328 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 386 transitions. Word has length 58 [2019-12-07 13:59:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:08,328 INFO L462 AbstractCegarLoop]: Abstraction has 301 states and 386 transitions. [2019-12-07 13:59:08,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:59:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 386 transitions. [2019-12-07 13:59:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 13:59:08,329 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:59:08,330 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:59:08,530 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 13:59:08,530 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:59:08,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:59:08,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1879242721, now seen corresponding path program 1 times [2019-12-07 13:59:08,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:59:08,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262016344] [2019-12-07 13:59:08,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 13:59:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:59:08,662 INFO L264 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:59:08,663 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:59:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 13:59:08,669 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:59:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 13:59:08,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262016344] [2019-12-07 13:59:08,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:59:08,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:59:08,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380089688] [2019-12-07 13:59:08,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:59:08,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:59:08,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:59:08,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:59:08,674 INFO L87 Difference]: Start difference. First operand 301 states and 386 transitions. Second operand 3 states. [2019-12-07 13:59:08,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:59:08,837 INFO L93 Difference]: Finished difference Result 587 states and 752 transitions. [2019-12-07 13:59:08,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:59:08,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-12-07 13:59:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:59:08,838 INFO L225 Difference]: With dead ends: 587 [2019-12-07 13:59:08,838 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:59:08,839 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 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 13:59:08,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:59:08,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:59:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:59:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:59:08,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-12-07 13:59:08,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:59:08,839 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:59:08,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:59:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:59:08,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:59:09,040 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 13:59:09,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:59:09,208 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-12-07 13:59:09,394 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2019-12-07 13:59:09,804 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 194 [2019-12-07 13:59:09,997 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 214 [2019-12-07 13:59:10,161 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 199 [2019-12-07 13:59:10,273 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 168 [2019-12-07 13:59:10,667 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-12-07 13:59:11,459 WARN L192 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 25 [2019-12-07 13:59:12,048 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2019-12-07 13:59:12,532 WARN L192 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2019-12-07 13:59:12,648 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2019-12-07 13:59:12,964 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2019-12-07 13:59:13,560 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2019-12-07 13:59:14,660 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 40 [2019-12-07 13:59:16,358 WARN L192 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 211 DAG size of output: 36 [2019-12-07 13:59:17,792 WARN L192 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 198 DAG size of output: 25 [2019-12-07 13:59:18,798 WARN L192 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 167 DAG size of output: 32 [2019-12-07 13:59:18,932 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2019-12-07 13:59:19,629 WARN L192 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 30 [2019-12-07 13:59:19,631 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-12-07 13:59:19,631 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: false [2019-12-07 13:59:19,631 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 13:59:19,631 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-12-07 13:59:19,631 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-12-07 13:59:19,631 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-12-07 13:59:19,631 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-12-07 13:59:19,631 INFO L246 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L242 CegarLoopResult]: At program point L202(lines 198 204) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L268-2(lines 268 278) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L268-4(lines 268 278) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2019-12-07 13:59:19,632 INFO L246 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L242 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (not .cse8)) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and .cse0 .cse5 .cse7 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse2 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse5 .cse6 .cse8 .cse2) (and .cse3 .cse4 .cse5 .cse7 .cse2)))) [2019-12-07 13:59:19,633 INFO L246 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2019-12-07 13:59:19,633 INFO L242 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2019-12-07 13:59:19,633 INFO L242 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2019-12-07 13:59:19,633 INFO L249 CegarLoopResult]: At program point L240(lines 221 243) the Hoare annotation is: true [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))) .cse3) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L474(lines 467 477) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L474-1(lines 467 477) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-12-07 13:59:19,634 INFO L242 CegarLoopResult]: At program point L474-2(lines 467 477) the Hoare annotation is: false [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2019-12-07 13:59:19,634 INFO L246 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L342-1(lines 372 378) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (not .cse8)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse1 .cse6 .cse2 .cse4) (and .cse1 .cse3 .cse8 .cse4) (and .cse1 .cse6 .cse8 .cse4 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse5 .cse3 .cse4) (and .cse1 .cse6 .cse7 .cse8 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse4)))) [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 .cse5 .cse3 .cse2) (and .cse4 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2))) [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L546-1(lines 546 552) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1) (and .cse0 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse1) (and .cse0 .cse2 .cse1 (bvslt ~waterLevel~0 (_ bv2 32))))) [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L580(lines 1 957) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-12-07 13:59:19,635 INFO L242 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse7 .cse4 .cse9) (and .cse0 .cse8 .cse1 .cse6 .cse7 .cse4 .cse9) (and .cse5 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 13:59:19,635 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:59:19,636 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 13:59:19,636 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 13:59:19,636 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L253(lines 248 255) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:19,636 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse4))) [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-12-07 13:59:19,636 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L157-1(lines 372 378) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L290-2(line 290) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L242 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L242 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse0 .cse1 .cse6 .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3))) [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 13:59:19,637 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L242 CegarLoopResult]: At program point L264-1(lines 1 957) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse7 .cse4 .cse9) (and .cse0 .cse8 .cse1 .cse6 .cse7 .cse4 .cse9) (and .cse5 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L264-2(lines 264 281) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L249 CegarLoopResult]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2019-12-07 13:59:19,638 INFO L242 CegarLoopResult]: At program point L264-3(lines 1 957) the Hoare annotation is: false [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L264-4(lines 264 281) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L242 CegarLoopResult]: At program point L264-5(lines 1 957) the Hoare annotation is: false [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2019-12-07 13:59:19,638 INFO L246 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2019-12-07 13:59:19,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:59:19 BoogieIcfgContainer [2019-12-07 13:59:19,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:59:19,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:59:19,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:59:19,662 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:59:19,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:59:02" (3/4) ... [2019-12-07 13:59:19,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:59:19,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 13:59:19,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 13:59:19,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 13:59:19,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:59:19,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:59:19,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:59:19,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:59:19,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) [2019-12-07 13:59:19,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 13:59:19,742 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ce3cd5b5-2910-4518-9e90-61d172cb2e24/bin/utaipan/witness.graphml [2019-12-07 13:59:19,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:59:19,743 INFO L168 Benchmark]: Toolchain (without parser) took 18146.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 416.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:19,743 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:59:19,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:19,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:19,744 INFO L168 Benchmark]: Boogie Preprocessor took 31.67 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 13:59:19,744 INFO L168 Benchmark]: RCFGBuilder took 608.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:19,744 INFO L168 Benchmark]: TraceAbstraction took 16985.15 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 278.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.8 MB). Peak memory consumption was 447.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:19,745 INFO L168 Benchmark]: Witness Printer took 80.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:59:19,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 608.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16985.15 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 278.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -84.8 MB). Peak memory consumption was 447.9 MB. Max. memory is 11.5 GB. * Witness Printer took 80.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && systemActive == 0bv32) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((\result == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 6.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, HoareTripleCheckerStatistics: 1294 SDtfs, 1682 SDslu, 2842 SDs, 0 SdLazy, 316 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1851 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 164 NumberOfFragments, 1074 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1382323 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 566454 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 66963 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2620 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 130/130 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...