./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 72d06b83689108b06d89f4f95641f29fdbb51231 ...................................................................................................................................... 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_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 72d06b83689108b06d89f4f95641f29fdbb51231 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:54:02,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:54:02,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:54:02,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:54:02,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:54:02,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:54:02,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:54:02,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:54:02,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:54:02,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:54:02,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:54:02,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:54:02,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:54:02,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:54:02,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:54:02,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:54:02,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:54:02,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:54:02,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:54:02,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:54:02,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:54:02,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:54:02,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:54:02,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:54:02,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:54:02,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:54:02,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:54:02,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:54:02,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:54:02,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:54:02,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:54:02,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:54:02,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:54:02,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:54:02,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:54:02,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:54:02,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:54:02,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:54:02,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:54:02,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:54:02,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:54:02,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:54:02,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:54:02,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:54:02,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:54:02,448 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:54:02,448 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:54:02,448 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:54:02,448 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:54:02,448 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:54:02,449 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:54:02,449 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:54:02,449 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:54:02,449 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:54:02,449 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:54:02,449 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:54:02,449 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:54:02,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:54:02,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:54:02,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:54:02,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:54:02,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:54:02,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:54:02,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:54:02,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:54:02,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:54:02,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:54:02,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:54:02,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:54:02,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:54:02,452 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:54:02,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:54:02,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:54:02,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:54:02,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:54:02,453 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_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 -> 72d06b83689108b06d89f4f95641f29fdbb51231 [2019-12-07 14:54:02,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:54:02,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:54:02,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:54:02,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:54:02,569 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:54:02,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-12-07 14:54:02,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/f1bed8ff6/6652520d65834a2ca6f19a5d771e016a/FLAG3b9ef4bbf [2019-12-07 14:54:02,994 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:54:02,994 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-12-07 14:54:03,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/f1bed8ff6/6652520d65834a2ca6f19a5d771e016a/FLAG3b9ef4bbf [2019-12-07 14:54:03,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/f1bed8ff6/6652520d65834a2ca6f19a5d771e016a [2019-12-07 14:54:03,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:54:03,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:54:03,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:54:03,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:54:03,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:54:03,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:54:03" (1/1) ... [2019-12-07 14:54:03,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:03, skipping insertion in model container [2019-12-07 14:54:03,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:54:03" (1/1) ... [2019-12-07 14:54:03,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:54:03,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:54:03,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:54:03,301 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 14:54:03,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3abf07a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:03, skipping insertion in model container [2019-12-07 14:54:03,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:54:03,302 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:54:03,305 INFO L168 Benchmark]: Toolchain (without parser) took 290.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:03,305 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:54:03,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:03,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 550]: 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 14:54:04,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:54:04,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:54:04,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:54:04,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:54:04,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:54:04,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:54:04,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:54:04,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:54:04,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:54:04,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:54:04,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:54:04,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:54:04,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:54:04,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:54:04,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:54:04,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:54:04,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:54:04,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:54:04,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:54:04,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:54:04,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:54:04,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:54:04,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:54:04,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:54:04,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:54:04,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:54:04,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:54:04,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:54:04,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:54:04,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:54:04,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:54:04,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:54:04,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:54:04,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:54:04,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:54:04,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:54:04,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:54:04,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:54:04,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:54:04,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:54:04,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:54:04,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:54:04,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:54:04,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:54:04,474 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:54:04,475 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:54:04,475 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:54:04,475 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:54:04,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:54:04,475 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:54:04,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:54:04,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:54:04,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:54:04,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:54:04,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:54:04,478 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:54:04,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:54:04,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:54:04,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:54:04,479 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_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 -> 72d06b83689108b06d89f4f95641f29fdbb51231 [2019-12-07 14:54:04,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:54:04,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:54:04,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:54:04,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:54:04,664 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:54:04,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-12-07 14:54:04,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/df2d5a918/1d9ca93ded314c77982c9e46b60a9394/FLAG5201703b8 [2019-12-07 14:54:05,129 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:54:05,129 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-12-07 14:54:05,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/df2d5a918/1d9ca93ded314c77982c9e46b60a9394/FLAG5201703b8 [2019-12-07 14:54:05,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/data/df2d5a918/1d9ca93ded314c77982c9e46b60a9394 [2019-12-07 14:54:05,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:54:05,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:54:05,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:54:05,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:54:05,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:54:05,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05, skipping insertion in model container [2019-12-07 14:54:05,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:54:05,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:54:05,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:54:05,793 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:54:05,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:54:05,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:54:05,851 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:54:05,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:54:05,917 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:54:05,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05 WrapperNode [2019-12-07 14:54:05,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:54:05,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:54:05,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:54:05,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:54:05,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:54:05,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:54:05,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:54:05,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:54:05,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:05,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:06,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:06,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... [2019-12-07 14:54:06,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:54:06,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:54:06,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:54:06,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:54:06,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:54:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:54:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:54:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:54:06,692 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:54:06,693 INFO L287 CfgBuilder]: Removed 278 assume(true) statements. [2019-12-07 14:54:06,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:54:06 BoogieIcfgContainer [2019-12-07 14:54:06,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:54:06,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:54:06,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:54:06,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:54:06,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:54:05" (1/3) ... [2019-12-07 14:54:06,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27423022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:54:06, skipping insertion in model container [2019-12-07 14:54:06,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:54:05" (2/3) ... [2019-12-07 14:54:06,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27423022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:54:06, skipping insertion in model container [2019-12-07 14:54:06,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:54:06" (3/3) ... [2019-12-07 14:54:06,699 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product54.cil.c [2019-12-07 14:54:06,705 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:54:06,711 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:54:06,719 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:54:06,736 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:54:06,736 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:54:06,736 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:54:06,736 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:54:06,736 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:54:06,736 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:54:06,736 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:54:06,736 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:54:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-12-07 14:54:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 14:54:06,754 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:06,755 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:54:06,755 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:06,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:06,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2019-12-07 14:54:06,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:06,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202831759] [2019-12-07 14:54:06,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:06,895 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:54:06,899 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:06,910 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 14:54:06,910 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:06,913 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 14:54:06,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202831759] [2019-12-07 14:54:06,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:06,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:54:06,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810479455] [2019-12-07 14:54:06,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:54:06,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:06,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:54:06,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:54:06,930 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-12-07 14:54:06,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:06,958 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2019-12-07 14:54:06,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:54:06,959 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 14:54:06,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:06,968 INFO L225 Difference]: With dead ends: 372 [2019-12-07 14:54:06,969 INFO L226 Difference]: Without dead ends: 185 [2019-12-07 14:54:06,972 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 14:54:06,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-12-07 14:54:07,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-12-07 14:54:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-12-07 14:54:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2019-12-07 14:54:07,007 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2019-12-07 14:54:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:07,007 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2019-12-07 14:54:07,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:54:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-12-07 14:54:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:54:07,009 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:07,009 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:54:07,209 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:54:07,210 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:07,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:07,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2019-12-07 14:54:07,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:07,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651324206] [2019-12-07 14:54:07,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:07,404 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:54:07,406 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:07,418 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 14:54:07,418 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:07,424 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 14:54:07,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651324206] [2019-12-07 14:54:07,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:07,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:54:07,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628849922] [2019-12-07 14:54:07,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:54:07,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:07,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:54:07,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:54:07,427 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 4 states. [2019-12-07 14:54:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:07,440 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2019-12-07 14:54:07,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:54:07,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 14:54:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:07,441 INFO L225 Difference]: With dead ends: 185 [2019-12-07 14:54:07,442 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 14:54:07,443 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 14:54:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 14:54:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 14:54:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 14:54:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-12-07 14:54:07,448 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2019-12-07 14:54:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:07,448 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-12-07 14:54:07,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:54:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-12-07 14:54:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 14:54:07,449 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:07,449 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] [2019-12-07 14:54:07,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:54:07,650 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:07,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:07,651 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2019-12-07 14:54:07,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:07,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893219719] [2019-12-07 14:54:07,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:07,849 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:54:07,851 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:07,859 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 14:54:07,859 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:07,865 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 14:54:07,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893219719] [2019-12-07 14:54:07,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:07,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:54:07,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111109454] [2019-12-07 14:54:07,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:54:07,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:07,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:54:07,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:54:07,868 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 4 states. [2019-12-07 14:54:07,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:07,910 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2019-12-07 14:54:07,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:54:07,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 14:54:07,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:07,912 INFO L225 Difference]: With dead ends: 136 [2019-12-07 14:54:07,912 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 14:54:07,913 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 14:54:07,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 14:54:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 14:54:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 14:54:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2019-12-07 14:54:07,921 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2019-12-07 14:54:07,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:07,921 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2019-12-07 14:54:07,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:54:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-12-07 14:54:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:54:07,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:07,923 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] [2019-12-07 14:54:08,123 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:54:08,124 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:08,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2019-12-07 14:54:08,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:08,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145602667] [2019-12-07 14:54:08,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:08,295 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:54:08,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:08,303 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 14:54:08,303 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:08,305 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 14:54:08,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145602667] [2019-12-07 14:54:08,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:08,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 14:54:08,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953546985] [2019-12-07 14:54:08,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:54:08,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:08,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:54:08,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:54:08,307 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2019-12-07 14:54:08,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:08,374 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-12-07 14:54:08,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:54:08,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 14:54:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:08,375 INFO L225 Difference]: With dead ends: 145 [2019-12-07 14:54:08,375 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 14:54:08,376 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 14:54:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 14:54:08,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-12-07 14:54:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 14:54:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2019-12-07 14:54:08,384 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2019-12-07 14:54:08,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:08,384 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2019-12-07 14:54:08,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:54:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2019-12-07 14:54:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 14:54:08,385 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:08,385 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:54:08,586 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:54:08,587 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:08,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:08,587 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2019-12-07 14:54:08,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:08,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679420509] [2019-12-07 14:54:08,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:08,717 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:54:08,719 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:08,731 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 14:54:08,731 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:08,736 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 14:54:08,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679420509] [2019-12-07 14:54:08,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:08,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:54:08,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744314487] [2019-12-07 14:54:08,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:54:08,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:08,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:54:08,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:54:08,738 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2019-12-07 14:54:08,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:08,796 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2019-12-07 14:54:08,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:54:08,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 14:54:08,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:08,797 INFO L225 Difference]: With dead ends: 204 [2019-12-07 14:54:08,797 INFO L226 Difference]: Without dead ends: 132 [2019-12-07 14:54:08,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 14:54:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-12-07 14:54:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2019-12-07 14:54:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 14:54:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2019-12-07 14:54:08,804 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2019-12-07 14:54:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:08,805 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2019-12-07 14:54:08,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:54:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2019-12-07 14:54:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 14:54:08,806 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:08,806 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] [2019-12-07 14:54:09,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:54:09,007 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:09,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2019-12-07 14:54:09,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:09,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905003614] [2019-12-07 14:54:09,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:09,125 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:54:09,126 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:09,148 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 14:54:09,148 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:09,156 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 14:54:09,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905003614] [2019-12-07 14:54:09,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:09,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 14:54:09,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091837797] [2019-12-07 14:54:09,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:54:09,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:09,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:54:09,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:54:09,157 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2019-12-07 14:54:09,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:09,234 INFO L93 Difference]: Finished difference Result 431 states and 600 transitions. [2019-12-07 14:54:09,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:54:09,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 14:54:09,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:09,236 INFO L225 Difference]: With dead ends: 431 [2019-12-07 14:54:09,236 INFO L226 Difference]: Without dead ends: 350 [2019-12-07 14:54:09,237 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 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 14:54:09,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-07 14:54:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 162. [2019-12-07 14:54:09,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-12-07 14:54:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 221 transitions. [2019-12-07 14:54:09,252 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 221 transitions. Word has length 31 [2019-12-07 14:54:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:09,252 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 221 transitions. [2019-12-07 14:54:09,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:54:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 221 transitions. [2019-12-07 14:54:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 14:54:09,253 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:09,254 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] [2019-12-07 14:54:09,454 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:54:09,455 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:09,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:09,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1092376181, now seen corresponding path program 1 times [2019-12-07 14:54:09,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:09,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385351907] [2019-12-07 14:54:09,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:09,572 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:54:09,573 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:09,584 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 14:54:09,584 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:09,587 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 14:54:09,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385351907] [2019-12-07 14:54:09,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:09,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:54:09,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063355911] [2019-12-07 14:54:09,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:54:09,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:09,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:54:09,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:54:09,588 INFO L87 Difference]: Start difference. First operand 162 states and 221 transitions. Second operand 5 states. [2019-12-07 14:54:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:09,719 INFO L93 Difference]: Finished difference Result 470 states and 642 transitions. [2019-12-07 14:54:09,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:54:09,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 14:54:09,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:09,721 INFO L225 Difference]: With dead ends: 470 [2019-12-07 14:54:09,721 INFO L226 Difference]: Without dead ends: 468 [2019-12-07 14:54:09,722 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 14:54:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-12-07 14:54:09,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2019-12-07 14:54:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-12-07 14:54:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 220 transitions. [2019-12-07 14:54:09,732 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 220 transitions. Word has length 32 [2019-12-07 14:54:09,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:09,732 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 220 transitions. [2019-12-07 14:54:09,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:54:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 220 transitions. [2019-12-07 14:54:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 14:54:09,733 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:09,733 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] [2019-12-07 14:54:09,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 14:54:09,934 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:09,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1963161872, now seen corresponding path program 1 times [2019-12-07 14:54:09,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:09,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871547922] [2019-12-07 14:54:09,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:10,045 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:54:10,046 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:10,054 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 14:54:10,054 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:10,063 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 14:54:10,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871547922] [2019-12-07 14:54:10,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:10,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 14:54:10,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49217262] [2019-12-07 14:54:10,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:54:10,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:10,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:54:10,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:54:10,065 INFO L87 Difference]: Start difference. First operand 162 states and 220 transitions. Second operand 6 states. [2019-12-07 14:54:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:10,116 INFO L93 Difference]: Finished difference Result 428 states and 574 transitions. [2019-12-07 14:54:10,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:54:10,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-07 14:54:10,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:10,118 INFO L225 Difference]: With dead ends: 428 [2019-12-07 14:54:10,118 INFO L226 Difference]: Without dead ends: 272 [2019-12-07 14:54:10,119 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 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 14:54:10,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-12-07 14:54:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 174. [2019-12-07 14:54:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-12-07 14:54:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 232 transitions. [2019-12-07 14:54:10,129 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 232 transitions. Word has length 32 [2019-12-07 14:54:10,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:10,129 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 232 transitions. [2019-12-07 14:54:10,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:54:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2019-12-07 14:54:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 14:54:10,130 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:10,130 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] [2019-12-07 14:54:10,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 14:54:10,332 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:10,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:10,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1704996434, now seen corresponding path program 1 times [2019-12-07 14:54:10,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:10,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320370279] [2019-12-07 14:54:10,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:54:10,444 INFO L264 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:54:10,445 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:54:10,450 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 14:54:10,450 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:54:10,457 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 14:54:10,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320370279] [2019-12-07 14:54:10,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:54:10,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:54:10,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962972873] [2019-12-07 14:54:10,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:54:10,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:54:10,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:54:10,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:54:10,459 INFO L87 Difference]: Start difference. First operand 174 states and 232 transitions. Second operand 4 states. [2019-12-07 14:54:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:54:10,517 INFO L93 Difference]: Finished difference Result 520 states and 696 transitions. [2019-12-07 14:54:10,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:54:10,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 14:54:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:54:10,519 INFO L225 Difference]: With dead ends: 520 [2019-12-07 14:54:10,519 INFO L226 Difference]: Without dead ends: 352 [2019-12-07 14:54:10,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 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 14:54:10,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2019-12-07 14:54:10,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 298. [2019-12-07 14:54:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-12-07 14:54:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 393 transitions. [2019-12-07 14:54:10,536 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 393 transitions. Word has length 32 [2019-12-07 14:54:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:54:10,536 INFO L462 AbstractCegarLoop]: Abstraction has 298 states and 393 transitions. [2019-12-07 14:54:10,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:54:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 393 transitions. [2019-12-07 14:54:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 14:54:10,537 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:54:10,537 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 14:54:10,738 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 14:54:10,738 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:54:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:54:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1518924332, now seen corresponding path program 1 times [2019-12-07 14:54:10,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:54:10,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082084273] [2019-12-07 14:54:10,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/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 14:54:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:54:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:54:12,193 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 14:54:12,193 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:54:12,393 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 14:54:12,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:54:12 BoogieIcfgContainer [2019-12-07 14:54:12,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:54:12,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:54:12,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:54:12,481 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:54:12,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:54:06" (3/4) ... [2019-12-07 14:54:12,483 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 14:54:12,539 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_01cb9b0d-b77e-420d-b27e-e16c169a7336/bin/utaipan/witness.graphml [2019-12-07 14:54:12,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:54:12,540 INFO L168 Benchmark]: Toolchain (without parser) took 7059.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 947.0 MB in the beginning and 910.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 229.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,540 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 14:54:12,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,541 INFO L168 Benchmark]: Boogie Preprocessor took 46.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,541 INFO L168 Benchmark]: RCFGBuilder took 676.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.2 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,541 INFO L168 Benchmark]: TraceAbstraction took 5786.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 977.2 MB in the beginning and 926.3 MB in the end (delta: 50.9 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,542 INFO L168 Benchmark]: Witness Printer took 58.09 ms. Allocated memory is still 1.2 GB. Free memory was 926.3 MB in the beginning and 910.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:54:12,543 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 436.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 676.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.2 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5786.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 977.2 MB in the beginning and 926.3 MB in the end (delta: 50.9 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. * Witness Printer took 58.09 ms. Allocated memory is still 1.2 GB. Free memory was 926.3 MB in the beginning and 910.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 216]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L163] tmp = __VERIFIER_nondet_int() [L165] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L907] COND TRUE waterLevel < 2 [L908] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(methaneLevelCritical)) [L922] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) [L456] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L237] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L244] COND TRUE \read(systemActive) [L318] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND FALSE !(\read(pumpRunning)) [L292] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L295] COND FALSE !(\read(pumpRunning)) [L266] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND TRUE ! pumpRunning [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L969] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L972] COND FALSE !(waterLevel < 2) [L976] retValue_acc = 0 [L977] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isHighWaterLevel() [L273] COND TRUE \read(tmp) [L346] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L497] int tmp ; [L498] int tmp___0 ; [L928] int retValue_acc ; [L931] retValue_acc = methaneLevelCritical [L932] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L502] tmp = isMethaneLevelCritical() [L504] COND TRUE \read(tmp) [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] tmp___0 = isPumpRunning() [L508] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L216] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Result: UNSAFE, OverallTime: 5.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1163 SDtfs, 1376 SDslu, 1447 SDs, 0 SdLazy, 215 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 474 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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, 693 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 458 ConstructedInterpolants, 0 QuantifiedInterpolants, 22720 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1711 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...