./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.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_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/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 9a501726b111b1f6720960f06deb10a2482c5a4b ...................................................................................................................................... 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_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/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 9a501726b111b1f6720960f06deb10a2482c5a4b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:46:26,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:46:26,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:46:26,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:46:26,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:46:26,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:46:26,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:46:26,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:46:26,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:46:26,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:46:26,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:46:26,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:46:26,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:46:26,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:46:26,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:46:26,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:46:26,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:46:26,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:46:26,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:46:26,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:46:26,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:46:26,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:46:26,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:46:26,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:46:26,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:46:26,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:46:26,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:46:26,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:46:26,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:46:26,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:46:26,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:46:26,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:46:26,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:46:26,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:46:26,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:46:26,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:46:26,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:46:26,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:46:26,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:46:26,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:46:26,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:46:26,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:46:26,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:46:26,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:46:26,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:46:26,464 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:46:26,465 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:46:26,465 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:46:26,466 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:46:26,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:46:26,466 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:46:26,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:46:26,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:46:26,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:46:26,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:46:26,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:46:26,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:46:26,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:46:26,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:46:26,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:46:26,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:46:26,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:46:26,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:46:26,469 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:46:26,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:46:26,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:46:26,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:46:26,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:46:26,469 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_57934c54-9baa-426b-b131-1d685dfbf0aa/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 -> 9a501726b111b1f6720960f06deb10a2482c5a4b [2019-12-07 10:46:26,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:46:26,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:46:26,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:46:26,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:46:26,578 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:46:26,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-12-07 10:46:26,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/a46180f39/ae7a9eb5f0bf44ea9e9685ed705c4394/FLAGafdc99685 [2019-12-07 10:46:27,010 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:46:27,010 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-12-07 10:46:27,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/a46180f39/ae7a9eb5f0bf44ea9e9685ed705c4394/FLAGafdc99685 [2019-12-07 10:46:27,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/a46180f39/ae7a9eb5f0bf44ea9e9685ed705c4394 [2019-12-07 10:46:27,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:46:27,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:46:27,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:27,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:46:27,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:46:27,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:27" (1/1) ... [2019-12-07 10:46:27,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:27, skipping insertion in model container [2019-12-07 10:46:27,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:27" (1/1) ... [2019-12-07 10:46:27,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:46:27,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:46:27,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:27,325 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 10:46:27,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29c9d1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:27, skipping insertion in model container [2019-12-07 10:46:27,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:27,326 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:46:27,328 INFO L168 Benchmark]: Toolchain (without parser) took 298.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:27,328 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:46:27,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:27,330 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 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 500]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:46:28,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:46:28,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:46:28,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:46:28,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:46:28,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:46:28,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:46:28,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:46:28,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:46:28,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:46:28,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:46:28,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:46:28,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:46:28,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:46:28,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:46:28,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:46:28,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:46:28,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:46:28,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:46:28,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:46:28,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:46:28,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:46:28,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:46:28,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:46:28,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:46:28,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:46:28,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:46:28,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:46:28,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:46:28,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:46:28,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:46:28,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:46:28,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:46:28,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:46:28,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:46:28,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:46:28,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:46:28,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:46:28,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:46:28,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:46:28,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:46:28,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:46:28,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:46:28,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:46:28,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:46:28,564 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:46:28,564 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:46:28,564 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:46:28,564 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:46:28,564 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:46:28,564 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:46:28,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:46:28,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:46:28,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:46:28,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:46:28,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:46:28,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:46:28,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:46:28,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:46:28,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:46:28,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:46:28,567 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:46:28,568 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:46:28,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:46:28,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:46:28,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:46:28,568 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_57934c54-9baa-426b-b131-1d685dfbf0aa/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 -> 9a501726b111b1f6720960f06deb10a2482c5a4b [2019-12-07 10:46:28,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:46:28,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:46:28,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:46:28,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:46:28,745 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:46:28,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-12-07 10:46:28,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/0e5c4afd0/8d1af8f6b93f47e0b255c423e7f540ed/FLAGbfd39726b [2019-12-07 10:46:29,263 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:46:29,263 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-12-07 10:46:29,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/0e5c4afd0/8d1af8f6b93f47e0b255c423e7f540ed/FLAGbfd39726b [2019-12-07 10:46:29,282 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/data/0e5c4afd0/8d1af8f6b93f47e0b255c423e7f540ed [2019-12-07 10:46:29,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:46:29,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:46:29,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:29,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:46:29,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:46:29,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29, skipping insertion in model container [2019-12-07 10:46:29,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:46:29,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:46:29,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:29,549 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:46:29,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:46:29,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:29,599 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:46:29,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:46:29,670 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:46:29,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29 WrapperNode [2019-12-07 10:46:29,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:46:29,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:46:29,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:46:29,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:46:29,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:46:29,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:46:29,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:46:29,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:46:29,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... [2019-12-07 10:46:29,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:46:29,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:46:29,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:46:29,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:46:29,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:46:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:46:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:46:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:46:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:46:30,963 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:46:30,963 INFO L287 CfgBuilder]: Removed 900 assume(true) statements. [2019-12-07 10:46:30,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:46:30 BoogieIcfgContainer [2019-12-07 10:46:30,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:46:30,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:46:30,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:46:30,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:46:30,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:46:29" (1/3) ... [2019-12-07 10:46:30,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfc37d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:46:30, skipping insertion in model container [2019-12-07 10:46:30,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:46:29" (2/3) ... [2019-12-07 10:46:30,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfc37d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:46:30, skipping insertion in model container [2019-12-07 10:46:30,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:46:30" (3/3) ... [2019-12-07 10:46:30,970 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2019-12-07 10:46:30,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:46:30,982 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:46:30,989 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:46:31,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:46:31,007 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:46:31,007 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:46:31,007 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:46:31,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:46:31,007 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:46:31,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:46:31,007 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:46:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-12-07 10:46:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 10:46:31,028 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:31,029 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] [2019-12-07 10:46:31,029 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:31,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:31,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2019-12-07 10:46:31,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:31,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493754311] [2019-12-07 10:46:31,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:31,181 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:46:31,185 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:31,196 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:31,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493754311] [2019-12-07 10:46:31,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:31,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:46:31,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81791451] [2019-12-07 10:46:31,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:46:31,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:31,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:46:31,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:46:31,215 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2019-12-07 10:46:31,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:31,257 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2019-12-07 10:46:31,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:46:31,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-12-07 10:46:31,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:31,270 INFO L225 Difference]: With dead ends: 927 [2019-12-07 10:46:31,270 INFO L226 Difference]: Without dead ends: 466 [2019-12-07 10:46:31,274 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:46:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-12-07 10:46:31,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2019-12-07 10:46:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-12-07 10:46:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2019-12-07 10:46:31,320 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2019-12-07 10:46:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:31,320 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2019-12-07 10:46:31,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:46:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2019-12-07 10:46:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:46:31,321 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:31,321 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:31,522 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:46:31,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:31,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:31,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2019-12-07 10:46:31,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:31,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114314935] [2019-12-07 10:46:31,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:31,725 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:31,726 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:31,739 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:31,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114314935] [2019-12-07 10:46:31,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:31,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:46:31,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934804265] [2019-12-07 10:46:31,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:46:31,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:31,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:46:31,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:31,749 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 4 states. [2019-12-07 10:46:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:31,767 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2019-12-07 10:46:31,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:46:31,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 10:46:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:31,769 INFO L225 Difference]: With dead ends: 466 [2019-12-07 10:46:31,769 INFO L226 Difference]: Without dead ends: 172 [2019-12-07 10:46:31,770 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 10:46:31,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-12-07 10:46:31,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2019-12-07 10:46:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 10:46:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2019-12-07 10:46:31,779 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2019-12-07 10:46:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:31,779 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2019-12-07 10:46:31,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:46:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2019-12-07 10:46:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 10:46:31,780 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:31,781 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] [2019-12-07 10:46:31,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:46:31,982 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:31,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:31,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2019-12-07 10:46:31,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:31,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024480033] [2019-12-07 10:46:31,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:32,132 INFO L264 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:32,135 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:32,144 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:32,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024480033] [2019-12-07 10:46:32,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:32,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:46:32,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722324542] [2019-12-07 10:46:32,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:46:32,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:32,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:46:32,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:32,155 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 4 states. [2019-12-07 10:46:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:32,186 INFO L93 Difference]: Finished difference Result 515 states and 801 transitions. [2019-12-07 10:46:32,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:46:32,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-07 10:46:32,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:32,189 INFO L225 Difference]: With dead ends: 515 [2019-12-07 10:46:32,189 INFO L226 Difference]: Without dead ends: 356 [2019-12-07 10:46:32,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:32,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-07 10:46:32,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 193. [2019-12-07 10:46:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 10:46:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2019-12-07 10:46:32,206 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 30 [2019-12-07 10:46:32,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:32,207 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2019-12-07 10:46:32,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:46:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2019-12-07 10:46:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:46:32,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:32,209 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 10:46:32,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:46:32,410 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:32,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:32,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2019-12-07 10:46:32,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:32,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968365783] [2019-12-07 10:46:32,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:32,593 INFO L264 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:32,594 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:32,599 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:32,602 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968365783] [2019-12-07 10:46:32,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:32,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:46:32,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716192671] [2019-12-07 10:46:32,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:46:32,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:32,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:46:32,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:46:32,603 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand 3 states. [2019-12-07 10:46:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:32,670 INFO L93 Difference]: Finished difference Result 384 states and 597 transitions. [2019-12-07 10:46:32,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:46:32,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 10:46:32,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:32,672 INFO L225 Difference]: With dead ends: 384 [2019-12-07 10:46:32,672 INFO L226 Difference]: Without dead ends: 204 [2019-12-07 10:46:32,672 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:46:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-12-07 10:46:32,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2019-12-07 10:46:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-12-07 10:46:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2019-12-07 10:46:32,683 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 33 [2019-12-07 10:46:32,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:32,684 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2019-12-07 10:46:32,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:46:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2019-12-07 10:46:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:46:32,685 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:32,685 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 10:46:32,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:46:32,887 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:32,887 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2019-12-07 10:46:32,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:32,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027076651] [2019-12-07 10:46:32,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:33,025 INFO L264 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:33,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:33,041 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:33,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027076651] [2019-12-07 10:46:33,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:33,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:46:33,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712285714] [2019-12-07 10:46:33,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:46:33,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:33,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:46:33,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:46:33,050 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand 5 states. [2019-12-07 10:46:33,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:33,239 INFO L93 Difference]: Finished difference Result 1088 states and 1674 transitions. [2019-12-07 10:46:33,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:46:33,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 10:46:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:33,243 INFO L225 Difference]: With dead ends: 1088 [2019-12-07 10:46:33,244 INFO L226 Difference]: Without dead ends: 899 [2019-12-07 10:46:33,245 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:46:33,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2019-12-07 10:46:33,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 383. [2019-12-07 10:46:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-12-07 10:46:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 575 transitions. [2019-12-07 10:46:33,266 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 575 transitions. Word has length 33 [2019-12-07 10:46:33,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:33,266 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 575 transitions. [2019-12-07 10:46:33,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:46:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 575 transitions. [2019-12-07 10:46:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:46:33,268 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:33,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:33,468 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:46:33,469 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:33,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:33,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1927811083, now seen corresponding path program 1 times [2019-12-07 10:46:33,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:33,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197583228] [2019-12-07 10:46:33,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:33,648 INFO L264 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:33,649 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:33,660 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:33,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197583228] [2019-12-07 10:46:33,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:33,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:46:33,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051097550] [2019-12-07 10:46:33,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:46:33,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:33,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:46:33,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:46:33,664 INFO L87 Difference]: Start difference. First operand 383 states and 575 transitions. Second operand 5 states. [2019-12-07 10:46:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:33,919 INFO L93 Difference]: Finished difference Result 1195 states and 1810 transitions. [2019-12-07 10:46:33,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:46:33,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 10:46:33,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:33,927 INFO L225 Difference]: With dead ends: 1195 [2019-12-07 10:46:33,927 INFO L226 Difference]: Without dead ends: 1193 [2019-12-07 10:46:33,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:46:33,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2019-12-07 10:46:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 383. [2019-12-07 10:46:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-12-07 10:46:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 573 transitions. [2019-12-07 10:46:33,956 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 573 transitions. Word has length 34 [2019-12-07 10:46:33,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:33,957 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 573 transitions. [2019-12-07 10:46:33,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:46:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 573 transitions. [2019-12-07 10:46:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 10:46:33,958 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:33,958 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:34,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:46:34,159 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:34,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:34,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1912385192, now seen corresponding path program 1 times [2019-12-07 10:46:34,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:34,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189288255] [2019-12-07 10:46:34,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:34,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:46:34,270 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:34,283 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:34,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189288255] [2019-12-07 10:46:34,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:34,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:46:34,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867180717] [2019-12-07 10:46:34,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:46:34,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:34,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:46:34,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:46:34,288 INFO L87 Difference]: Start difference. First operand 383 states and 573 transitions. Second operand 5 states. [2019-12-07 10:46:34,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:34,434 INFO L93 Difference]: Finished difference Result 1009 states and 1501 transitions. [2019-12-07 10:46:34,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:46:34,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-12-07 10:46:34,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:34,437 INFO L225 Difference]: With dead ends: 1009 [2019-12-07 10:46:34,438 INFO L226 Difference]: Without dead ends: 639 [2019-12-07 10:46:34,438 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:46:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2019-12-07 10:46:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 431. [2019-12-07 10:46:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-12-07 10:46:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 621 transitions. [2019-12-07 10:46:34,465 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 621 transitions. Word has length 42 [2019-12-07 10:46:34,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:34,465 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 621 transitions. [2019-12-07 10:46:34,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:46:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 621 transitions. [2019-12-07 10:46:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 10:46:34,466 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:34,466 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:34,667 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:46:34,667 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:34,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:34,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1681517526, now seen corresponding path program 1 times [2019-12-07 10:46:34,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:34,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046676729] [2019-12-07 10:46:34,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:34,784 INFO L264 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:46:34,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:34,799 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:34,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046676729] [2019-12-07 10:46:34,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:34,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 10:46:34,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130718932] [2019-12-07 10:46:34,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:46:34,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:34,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:46:34,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:46:34,814 INFO L87 Difference]: Start difference. First operand 431 states and 621 transitions. Second operand 6 states. [2019-12-07 10:46:34,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:34,981 INFO L93 Difference]: Finished difference Result 1145 states and 1637 transitions. [2019-12-07 10:46:34,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:46:34,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2019-12-07 10:46:34,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:34,984 INFO L225 Difference]: With dead ends: 1145 [2019-12-07 10:46:34,985 INFO L226 Difference]: Without dead ends: 727 [2019-12-07 10:46:34,985 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:46:34,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2019-12-07 10:46:35,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 463. [2019-12-07 10:46:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-12-07 10:46:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 653 transitions. [2019-12-07 10:46:35,008 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 653 transitions. Word has length 42 [2019-12-07 10:46:35,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:35,008 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 653 transitions. [2019-12-07 10:46:35,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:46:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 653 transitions. [2019-12-07 10:46:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 10:46:35,009 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:35,009 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:35,209 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:46:35,210 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:35,210 INFO L82 PathProgramCache]: Analyzing trace with hash 2026643756, now seen corresponding path program 1 times [2019-12-07 10:46:35,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:35,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237825015] [2019-12-07 10:46:35,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:46:35,366 INFO L264 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:46:35,368 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:46:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:35,374 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:46:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:46:35,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237825015] [2019-12-07 10:46:35,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:46:35,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:46:35,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279508813] [2019-12-07 10:46:35,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:46:35,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:46:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:46:35,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:35,383 INFO L87 Difference]: Start difference. First operand 463 states and 653 transitions. Second operand 4 states. [2019-12-07 10:46:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:46:35,499 INFO L93 Difference]: Finished difference Result 1343 states and 1905 transitions. [2019-12-07 10:46:35,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:46:35,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-12-07 10:46:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:46:35,502 INFO L225 Difference]: With dead ends: 1343 [2019-12-07 10:46:35,503 INFO L226 Difference]: Without dead ends: 893 [2019-12-07 10:46:35,503 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:46:35,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2019-12-07 10:46:35,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 735. [2019-12-07 10:46:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-12-07 10:46:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1030 transitions. [2019-12-07 10:46:35,533 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1030 transitions. Word has length 42 [2019-12-07 10:46:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:46:35,534 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 1030 transitions. [2019-12-07 10:46:35,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:46:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1030 transitions. [2019-12-07 10:46:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-07 10:46:35,534 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:46:35,535 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:46:35,735 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:46:35,736 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:46:35,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:46:35,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1499020087, now seen corresponding path program 1 times [2019-12-07 10:46:35,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:46:35,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297507766] [2019-12-07 10:46:35,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 10:46:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:46:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:46:37,185 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 10:46:37,186 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:46:37,386 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 10:46:37,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:46:37 BoogieIcfgContainer [2019-12-07 10:46:37,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:46:37,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:46:37,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:46:37,490 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:46:37,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:46:30" (3/4) ... [2019-12-07 10:46:37,492 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:46:37,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57934c54-9baa-426b-b131-1d685dfbf0aa/bin/utaipan/witness.graphml [2019-12-07 10:46:37,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:46:37,565 INFO L168 Benchmark]: Toolchain (without parser) took 8280.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 193.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:37,566 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 10:46:37,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:37,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.19 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:37,566 INFO L168 Benchmark]: Boogie Preprocessor took 71.14 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:37,567 INFO L168 Benchmark]: RCFGBuilder took 1148.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.8 MB in the end (delta: 155.9 MB). Peak memory consumption was 155.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:37,567 INFO L168 Benchmark]: TraceAbstraction took 6524.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.6 MB). Free memory was 910.8 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:46:37,567 INFO L168 Benchmark]: Witness Printer took 74.17 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:46:37,568 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 386.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.19 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.14 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1148.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.8 MB in the end (delta: 155.9 MB). Peak memory consumption was 155.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6524.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.6 MB). Free memory was 910.8 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 74.17 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1021]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L140] int pumpRunning = 0; [L141] int systemActive = 1; [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L914] int waterLevel = 1; [L915] int methaneLevelCritical = 0; [L1026] int cleanupTimeShifts = 4; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1099] int retValue_acc ; [L1100] int tmp ; [L872] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] __SELECTED_FEATURE_base = 1 [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L858] __SELECTED_FEATURE_highWaterSensor = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] __SELECTED_FEATURE_lowWaterSensor = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] __SELECTED_FEATURE_methaneQuery = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] __SELECTED_FEATURE_methaneAlarm = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] __SELECTED_FEATURE_stopCommand = select_one() [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] __SELECTED_FEATURE_startCommand = select_one() [L877] int retValue_acc ; [L880] retValue_acc = __SELECTED_FEATURE_base [L881] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1106] tmp = valid_product() [L1108] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L72] tmp = __VERIFIER_nondet_int() [L74] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L932] COND TRUE waterLevel < 2 [L933] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L944] COND FALSE !(\read(methaneLevelCritical)) [L947] methaneLevelCritical = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___2)) [L104] tmp___1 = __VERIFIER_nondet_int() [L106] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L248] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L205] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L177] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L180] COND TRUE ! pumpRunning [L411] int retValue_acc ; [L412] int tmp ; [L413] int tmp___0 ; [L994] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L997] COND FALSE !(waterLevel < 2) [L1001] retValue_acc = 0 [L1002] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L417] tmp = isHighWaterSensorDry() [L419] COND FALSE !(\read(tmp)) [L422] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L424] retValue_acc = tmp___0 [L425] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L182] tmp = isHighWaterLevel() [L184] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L333] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L308] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L888] int tmp ; [L889] int tmp___0 ; [L953] int retValue_acc ; [L956] retValue_acc = methaneLevelCritical [L957] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L366] int retValue_acc ; [L369] retValue_acc = pumpRunning [L370] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L1021] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Result: UNSAFE, OverallTime: 6.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3120 SDtfs, 4091 SDslu, 4538 SDs, 0 SdLazy, 597 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=735occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 2121 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 588 ConstructedInterpolants, 0 QuantifiedInterpolants, 40751 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1950 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...