./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.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_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 ...................................................................................................................................... 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_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:57:22,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:57:22,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:57:22,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:57:22,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:57:22,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:57:22,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:57:22,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:57:22,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:57:22,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:57:22,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:57:22,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:57:22,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:57:22,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:57:22,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:57:22,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:57:22,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:57:22,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:57:22,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:57:22,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:57:22,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:57:22,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:57:22,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:57:22,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:57:22,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:57:22,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:57:22,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:57:22,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:57:22,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:57:22,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:57:22,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:57:22,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:57:22,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:57:22,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:57:22,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:57:22,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:57:22,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:57:22,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:57:22,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:57:22,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:57:22,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:57:22,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:57:22,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:57:22,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:57:22,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:57:22,421 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:57:22,421 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:57:22,421 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:57:22,421 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:57:22,421 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:57:22,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:57:22,421 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:57:22,422 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:57:22,422 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:57:22,422 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:57:22,422 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:57:22,422 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:57:22,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:57:22,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:57:22,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:57:22,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:57:22,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:57:22,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:57:22,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:57:22,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:57:22,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:57:22,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:57:22,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:57:22,425 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_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 -> 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 [2019-12-07 12:57:22,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:57:22,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:57:22,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:57:22,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:57:22,540 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:57:22,540 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2019-12-07 12:57:22,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/2544bba29/88d857b8fc8340aa85354ec62e95337c/FLAGd61683b27 [2019-12-07 12:57:22,996 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:57:22,996 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2019-12-07 12:57:23,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/2544bba29/88d857b8fc8340aa85354ec62e95337c/FLAGd61683b27 [2019-12-07 12:57:23,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/2544bba29/88d857b8fc8340aa85354ec62e95337c [2019-12-07 12:57:23,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:57:23,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:57:23,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:57:23,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:57:23,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:57:23,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:57:23" (1/1) ... [2019-12-07 12:57:23,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:23, skipping insertion in model container [2019-12-07 12:57:23,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:57:23" (1/1) ... [2019-12-07 12:57:23,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:57:23,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:57:23,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:57:23,634 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 12:57:23,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6741077a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:23, skipping insertion in model container [2019-12-07 12:57:23,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:57:23,635 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:57:23,637 INFO L168 Benchmark]: Toolchain (without parser) took 267.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:23,637 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:57:23,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:23,640 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 421]: 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 12:57:24,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:57:24,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:57:24,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:57:24,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:57:24,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:57:24,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:57:24,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:57:24,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:57:24,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:57:24,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:57:24,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:57:24,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:57:24,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:57:24,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:57:24,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:57:24,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:57:24,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:57:24,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:57:24,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:57:24,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:57:24,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:57:24,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:57:24,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:57:24,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:57:24,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:57:24,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:57:24,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:57:24,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:57:24,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:57:24,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:57:24,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:57:24,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:57:24,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:57:24,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:57:24,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:57:24,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:57:24,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:57:24,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:57:24,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:57:24,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:57:24,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:57:24,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:57:24,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:57:24,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:57:24,790 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:57:24,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:57:24,791 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:57:24,791 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:57:24,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:57:24,791 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:57:24,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:57:24,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:57:24,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:57:24,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:57:24,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:57:24,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:57:24,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:57:24,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:57:24,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:57:24,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:57:24,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:57:24,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:57:24,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:57:24,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:57:24,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:57:24,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:57:24,795 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:57:24,795 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:57:24,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:57:24,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:57:24,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:57:24,795 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_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 -> 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 [2019-12-07 12:57:24,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:57:24,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:57:24,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:57:24,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:57:24,972 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:57:24,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2019-12-07 12:57:25,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/1b8c23672/214ef6ba6b7e4c92bebbb148df3f251e/FLAG29ea8ef5a [2019-12-07 12:57:25,381 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:57:25,382 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2019-12-07 12:57:25,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/1b8c23672/214ef6ba6b7e4c92bebbb148df3f251e/FLAG29ea8ef5a [2019-12-07 12:57:25,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/data/1b8c23672/214ef6ba6b7e4c92bebbb148df3f251e [2019-12-07 12:57:25,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:57:25,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:57:25,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:57:25,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:57:25,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:57:25,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25, skipping insertion in model container [2019-12-07 12:57:25,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:57:25,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:57:25,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:57:25,683 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:57:25,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:57:25,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:57:25,750 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:57:25,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:57:25,826 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:57:25,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25 WrapperNode [2019-12-07 12:57:25,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:57:25,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:57:25,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:57:25,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:57:25,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:57:25,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:57:25,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:57:25,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:57:25,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... [2019-12-07 12:57:25,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:57:25,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:57:25,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:57:25,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:57:25,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 12:57:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:57:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:57:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:57:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:57:26,395 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:57:26,395 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 12:57:26,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:57:26 BoogieIcfgContainer [2019-12-07 12:57:26,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:57:26,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:57:26,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:57:26,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:57:26,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:57:25" (1/3) ... [2019-12-07 12:57:26,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74497d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:57:26, skipping insertion in model container [2019-12-07 12:57:26,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:57:25" (2/3) ... [2019-12-07 12:57:26,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74497d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:57:26, skipping insertion in model container [2019-12-07 12:57:26,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:57:26" (3/3) ... [2019-12-07 12:57:26,401 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2019-12-07 12:57:26,408 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:57:26,413 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:57:26,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:57:26,437 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:57:26,437 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:57:26,437 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:57:26,437 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:57:26,437 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:57:26,437 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:57:26,437 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:57:26,438 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:57:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 12:57:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:57:26,453 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:26,453 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:26,454 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:26,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2019-12-07 12:57:26,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:57:26,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525163797] [2019-12-07 12:57:26,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 12:57:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:26,598 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:57:26,602 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:57:26,613 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 12:57:26,613 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:57:26,617 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 12:57:26,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525163797] [2019-12-07 12:57:26,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:26,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:57:26,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124583797] [2019-12-07 12:57:26,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:57:26,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:57:26,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:57:26,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:57:26,633 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 12:57:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:26,651 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 12:57:26,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:57:26,652 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 12:57:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:26,660 INFO L225 Difference]: With dead ends: 144 [2019-12-07 12:57:26,660 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 12:57:26,662 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:57:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 12:57:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 12:57:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 12:57:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 12:57:26,690 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-12-07 12:57:26,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:26,691 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 12:57:26,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:57:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 12:57:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:57:26,692 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:26,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:26,892 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:57:26,893 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2019-12-07 12:57:26,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:57:26,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545453386] [2019-12-07 12:57:26,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 12:57:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:27,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:57:27,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:57:27,093 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 12:57:27,093 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:57:27,102 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 12:57:27,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545453386] [2019-12-07 12:57:27,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:27,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:57:27,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680515292] [2019-12-07 12:57:27,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:57:27,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:57:27,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:57:27,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:57:27,104 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 12:57:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:27,114 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 12:57:27,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:57:27,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 12:57:27,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:27,115 INFO L225 Difference]: With dead ends: 71 [2019-12-07 12:57:27,116 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 12:57:27,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:57:27,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 12:57:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 12:57:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 12:57:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 12:57:27,120 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-12-07 12:57:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:27,120 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 12:57:27,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:57:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 12:57:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:57:27,121 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:27,121 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:27,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:57:27,322 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:27,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:27,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2019-12-07 12:57:27,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:57:27,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494355279] [2019-12-07 12:57:27,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 12:57:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:27,514 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:57:27,515 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:57:27,524 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 12:57:27,524 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:57:27,533 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 12:57:27,533 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494355279] [2019-12-07 12:57:27,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:27,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:57:27,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205613939] [2019-12-07 12:57:27,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:57:27,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:57:27,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:57:27,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:57:27,536 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 12:57:27,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:27,544 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 12:57:27,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:57:27,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 12:57:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:27,545 INFO L225 Difference]: With dead ends: 60 [2019-12-07 12:57:27,545 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 12:57:27,546 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:57:27,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 12:57:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 12:57:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 12:57:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 12:57:27,551 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-12-07 12:57:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:27,552 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 12:57:27,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:57:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 12:57:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:57:27,553 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:27,553 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 12:57:27,753 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:57:27,754 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:27,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:27,754 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2019-12-07 12:57:27,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:57:27,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778916793] [2019-12-07 12:57:27,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 12:57:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:57:27,919 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:57:27,920 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:57:27,943 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 12:57:27,943 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:57:27,970 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 12:57:27,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778916793] [2019-12-07 12:57:27,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:57:27,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 12:57:27,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731275780] [2019-12-07 12:57:27,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:57:27,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:57:27,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:57:27,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:57:27,972 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-12-07 12:57:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:57:28,186 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2019-12-07 12:57:28,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 12:57:28,186 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 12:57:28,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:57:28,189 INFO L225 Difference]: With dead ends: 308 [2019-12-07 12:57:28,190 INFO L226 Difference]: Without dead ends: 281 [2019-12-07 12:57:28,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 12:57:28,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-12-07 12:57:28,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2019-12-07 12:57:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 12:57:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-12-07 12:57:28,208 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2019-12-07 12:57:28,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:57:28,208 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-12-07 12:57:28,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:57:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-12-07 12:57:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:57:28,210 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:57:28,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:57:28,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:57:28,411 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:57:28,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:57:28,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2019-12-07 12:57:28,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:57:28,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275438068] [2019-12-07 12:57:28,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/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 12:57:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:57:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:57:29,838 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 12:57:29,838 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:57:30,039 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:57:30,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:57:30 BoogieIcfgContainer [2019-12-07 12:57:30,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:57:30,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:57:30,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:57:30,129 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:57:30,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:57:26" (3/4) ... [2019-12-07 12:57:30,131 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 12:57:30,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4fd473f8-bcd8-46c2-a7ee-432b8e342272/bin/utaipan/witness.graphml [2019-12-07 12:57:30,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:57:30,191 INFO L168 Benchmark]: Toolchain (without parser) took 4786.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 801.6 MB in the end (delta: 152.1 MB). Peak memory consumption was 281.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:30,191 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 12:57:30,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:30,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:30,192 INFO L168 Benchmark]: Boogie Preprocessor took 35.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:57:30,192 INFO L168 Benchmark]: RCFGBuilder took 481.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:30,193 INFO L168 Benchmark]: TraceAbstraction took 3731.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 815.5 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:30,193 INFO L168 Benchmark]: Witness Printer took 61.09 ms. Allocated memory is still 1.2 GB. Free memory was 815.5 MB in the beginning and 801.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:57:30,194 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 421.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 481.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3731.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 815.5 MB in the end (delta: 212.2 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. * Witness Printer took 61.09 ms. Allocated memory is still 1.2 GB. Free memory was 815.5 MB in the beginning and 801.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L370] int retValue_acc ; [L371] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) [L132] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 572 SDslu, 537 SDs, 0 SdLazy, 101 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 6 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...