./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 f3897e59b530ba955e2bc8f3ddb0621a99e3d436 ...................................................................................................................................... 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_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 f3897e59b530ba955e2bc8f3ddb0621a99e3d436 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:14:01,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:14:01,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:14:01,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:14:01,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:14:01,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:14:01,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:14:01,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:14:01,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:14:01,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:14:01,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:14:01,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:14:01,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:14:01,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:14:01,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:14:01,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:14:01,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:14:01,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:14:01,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:14:01,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:14:01,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:14:01,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:14:01,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:14:01,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:14:01,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:14:01,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:14:01,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:14:01,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:14:01,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:14:01,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:14:01,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:14:01,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:14:01,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:14:01,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:14:01,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:14:01,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:14:01,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:14:01,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:14:01,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:14:01,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:14:01,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:14:01,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:14:01,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:14:01,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:14:01,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:14:01,662 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:14:01,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:14:01,663 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:14:01,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:14:01,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:14:01,664 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:14:01,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:14:01,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:14:01,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:14:01,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:14:01,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:14:01,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:14:01,667 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_870d4e6f-f512-4dde-b8e0-42719418942f/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 -> f3897e59b530ba955e2bc8f3ddb0621a99e3d436 [2019-12-07 12:14:01,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:14:01,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:14:01,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:14:01,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:14:01,789 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:14:01,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-12-07 12:14:01,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/dab4ff8ec/afcbeac096684fd1abffd48dc01eb9d5/FLAG0ef896eb3 [2019-12-07 12:14:02,186 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:14:02,186 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-12-07 12:14:02,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/dab4ff8ec/afcbeac096684fd1abffd48dc01eb9d5/FLAG0ef896eb3 [2019-12-07 12:14:02,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/dab4ff8ec/afcbeac096684fd1abffd48dc01eb9d5 [2019-12-07 12:14:02,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:14:02,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:14:02,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:14:02,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:14:02,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:14:02,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:14:02" (1/1) ... [2019-12-07 12:14:02,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21dd141f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:02, skipping insertion in model container [2019-12-07 12:14:02,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:14:02" (1/1) ... [2019-12-07 12:14:02,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:14:02,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:14:02,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:14:02,476 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 12:14:02,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d45338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:02, skipping insertion in model container [2019-12-07 12:14:02,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:14:02,477 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:14:02,479 INFO L168 Benchmark]: Toolchain (without parser) took 269.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:02,479 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:14:02,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:02,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 745]: 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 12:14:03,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:14:03,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:14:03,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:14:03,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:14:03,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:14:03,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:14:03,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:14:03,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:14:03,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:14:03,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:14:03,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:14:03,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:14:03,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:14:03,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:14:03,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:14:03,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:14:03,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:14:03,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:14:03,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:14:03,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:14:03,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:14:03,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:14:03,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:14:03,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:14:03,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:14:03,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:14:03,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:14:03,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:14:03,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:14:03,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:14:03,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:14:03,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:14:03,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:14:03,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:14:03,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:14:03,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:14:03,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:14:03,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:14:03,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:14:03,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:14:03,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:14:03,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:14:03,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:14:03,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:14:03,700 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:14:03,700 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:14:03,700 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:14:03,700 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:14:03,701 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:14:03,701 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:14:03,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:14:03,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:14:03,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:14:03,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:14:03,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:14:03,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:14:03,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:14:03,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:14:03,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:14:03,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:14:03,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:14:03,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:14:03,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:14:03,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:14:03,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:14:03,705 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_870d4e6f-f512-4dde-b8e0-42719418942f/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 -> f3897e59b530ba955e2bc8f3ddb0621a99e3d436 [2019-12-07 12:14:03,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:14:03,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:14:03,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:14:03,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:14:03,883 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:14:03,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-12-07 12:14:03,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/0cc874536/43c1e6dce10c4590a555d54cbf0dea4c/FLAG92876441d [2019-12-07 12:14:04,355 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:14:04,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-12-07 12:14:04,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/0cc874536/43c1e6dce10c4590a555d54cbf0dea4c/FLAG92876441d [2019-12-07 12:14:04,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/data/0cc874536/43c1e6dce10c4590a555d54cbf0dea4c [2019-12-07 12:14:04,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:14:04,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:14:04,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:14:04,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:14:04,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:14:04,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,382 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 12:14:04, skipping insertion in model container [2019-12-07 12:14:04,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:14:04,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:14:04,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:14:04,644 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:14:04,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:14:04,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:14:04,695 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:14:04,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:14:04,769 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:14:04,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04 WrapperNode [2019-12-07 12:14:04,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:14:04,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:14:04,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:14:04,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:14:04,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:14:04,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:14:04,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:14:04,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:14:04,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... [2019-12-07 12:14:04,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:14:04,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:14:04,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:14:04,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:14:04,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:14:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:14:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:14:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:14:06,095 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:14:06,095 INFO L287 CfgBuilder]: Removed 902 assume(true) statements. [2019-12-07 12:14:06,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:14:06 BoogieIcfgContainer [2019-12-07 12:14:06,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:14:06,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:14:06,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:14:06,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:14:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:14:04" (1/3) ... [2019-12-07 12:14:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17344894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:14:06, skipping insertion in model container [2019-12-07 12:14:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:04" (2/3) ... [2019-12-07 12:14:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17344894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:14:06, skipping insertion in model container [2019-12-07 12:14:06,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:14:06" (3/3) ... [2019-12-07 12:14:06,102 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2019-12-07 12:14:06,109 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:14:06,114 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:14:06,121 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:14:06,140 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:14:06,140 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:14:06,140 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:14:06,140 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:14:06,140 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:14:06,140 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:14:06,140 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:14:06,140 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:14:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states. [2019-12-07 12:14:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:14:06,162 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:06,162 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:06,163 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:06,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:06,166 INFO L82 PathProgramCache]: Analyzing trace with hash -434502313, now seen corresponding path program 1 times [2019-12-07 12:14:06,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:06,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931253427] [2019-12-07 12:14:06,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:06,310 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:14:06,314 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:06,325 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 12:14:06,325 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:06,329 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 12:14:06,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931253427] [2019-12-07 12:14:06,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:06,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:14:06,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927143952] [2019-12-07 12:14:06,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:14:06,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:06,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:14:06,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:14:06,345 INFO L87 Difference]: Start difference. First operand 474 states. Second operand 2 states. [2019-12-07 12:14:06,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:06,387 INFO L93 Difference]: Finished difference Result 934 states and 1467 transitions. [2019-12-07 12:14:06,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:14:06,388 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-12-07 12:14:06,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:06,404 INFO L225 Difference]: With dead ends: 934 [2019-12-07 12:14:06,404 INFO L226 Difference]: Without dead ends: 470 [2019-12-07 12:14:06,409 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 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 12:14:06,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-12-07 12:14:06,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-12-07 12:14:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-12-07 12:14:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 729 transitions. [2019-12-07 12:14:06,457 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 729 transitions. Word has length 25 [2019-12-07 12:14:06,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:06,457 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 729 transitions. [2019-12-07 12:14:06,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:14:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 729 transitions. [2019-12-07 12:14:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:14:06,459 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:06,459 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 12:14:06,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:14:06,660 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:06,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:06,660 INFO L82 PathProgramCache]: Analyzing trace with hash 10066668, now seen corresponding path program 1 times [2019-12-07 12:14:06,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:06,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733076323] [2019-12-07 12:14:06,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:06,786 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:14:06,787 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:06,802 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 12:14:06,802 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:06,810 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 12:14:06,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733076323] [2019-12-07 12:14:06,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:06,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:14:06,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328723540] [2019-12-07 12:14:06,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:14:06,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:06,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:14:06,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:14:06,813 INFO L87 Difference]: Start difference. First operand 470 states and 729 transitions. Second operand 4 states. [2019-12-07 12:14:06,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:06,829 INFO L93 Difference]: Finished difference Result 470 states and 729 transitions. [2019-12-07 12:14:06,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:14:06,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 12:14:06,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:06,831 INFO L225 Difference]: With dead ends: 470 [2019-12-07 12:14:06,831 INFO L226 Difference]: Without dead ends: 174 [2019-12-07 12:14:06,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 12:14:06,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-12-07 12:14:06,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2019-12-07 12:14:06,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-12-07 12:14:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2019-12-07 12:14:06,841 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2019-12-07 12:14:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:06,842 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2019-12-07 12:14:06,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:14:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2019-12-07 12:14:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 12:14:06,843 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:06,843 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 12:14:07,044 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:14:07,044 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:07,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:07,045 INFO L82 PathProgramCache]: Analyzing trace with hash 2146837231, now seen corresponding path program 1 times [2019-12-07 12:14:07,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:07,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328242004] [2019-12-07 12:14:07,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:07,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:14:07,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:07,212 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 12:14:07,212 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:07,220 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 12:14:07,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328242004] [2019-12-07 12:14:07,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:07,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:14:07,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578176349] [2019-12-07 12:14:07,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:14:07,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:07,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:14:07,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:14:07,222 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 4 states. [2019-12-07 12:14:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:07,253 INFO L93 Difference]: Finished difference Result 520 states and 810 transitions. [2019-12-07 12:14:07,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:14:07,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 12:14:07,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:07,256 INFO L225 Difference]: With dead ends: 520 [2019-12-07 12:14:07,256 INFO L226 Difference]: Without dead ends: 360 [2019-12-07 12:14:07,257 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 12:14:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-12-07 12:14:07,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 196. [2019-12-07 12:14:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-12-07 12:14:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 301 transitions. [2019-12-07 12:14:07,272 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 301 transitions. Word has length 32 [2019-12-07 12:14:07,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:07,272 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 301 transitions. [2019-12-07 12:14:07,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:14:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 301 transitions. [2019-12-07 12:14:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 12:14:07,274 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:07,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:07,478 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:14:07,479 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1270376866, now seen corresponding path program 1 times [2019-12-07 12:14:07,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:07,480 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283877934] [2019-12-07 12:14:07,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:07,608 INFO L264 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:14:07,609 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:07,622 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 12:14:07,622 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:07,629 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 12:14:07,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283877934] [2019-12-07 12:14:07,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:07,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 12:14:07,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962911465] [2019-12-07 12:14:07,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:14:07,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:07,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:14:07,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:14:07,630 INFO L87 Difference]: Start difference. First operand 196 states and 301 transitions. Second operand 5 states. [2019-12-07 12:14:07,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:07,851 INFO L93 Difference]: Finished difference Result 1065 states and 1693 transitions. [2019-12-07 12:14:07,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:14:07,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-12-07 12:14:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:07,856 INFO L225 Difference]: With dead ends: 1065 [2019-12-07 12:14:07,856 INFO L226 Difference]: Without dead ends: 883 [2019-12-07 12:14:07,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:14:07,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-12-07 12:14:07,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 370. [2019-12-07 12:14:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-12-07 12:14:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 573 transitions. [2019-12-07 12:14:07,876 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 573 transitions. Word has length 35 [2019-12-07 12:14:07,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:07,877 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 573 transitions. [2019-12-07 12:14:07,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:14:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 573 transitions. [2019-12-07 12:14:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:14:07,878 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:07,879 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:08,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:14:08,080 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:08,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:08,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1380973999, now seen corresponding path program 1 times [2019-12-07 12:14:08,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:08,081 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412099074] [2019-12-07 12:14:08,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:08,243 INFO L264 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:14:08,244 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:08,256 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 12:14:08,256 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:08,258 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 12:14:08,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412099074] [2019-12-07 12:14:08,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:08,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:14:08,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666302576] [2019-12-07 12:14:08,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:14:08,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:08,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:14:08,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:14:08,260 INFO L87 Difference]: Start difference. First operand 370 states and 573 transitions. Second operand 5 states. [2019-12-07 12:14:08,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:08,511 INFO L93 Difference]: Finished difference Result 1551 states and 2453 transitions. [2019-12-07 12:14:08,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:14:08,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 12:14:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:08,519 INFO L225 Difference]: With dead ends: 1551 [2019-12-07 12:14:08,519 INFO L226 Difference]: Without dead ends: 1195 [2019-12-07 12:14:08,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 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 12:14:08,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2019-12-07 12:14:08,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 385. [2019-12-07 12:14:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-12-07 12:14:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 576 transitions. [2019-12-07 12:14:08,551 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 576 transitions. Word has length 36 [2019-12-07 12:14:08,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:08,552 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 576 transitions. [2019-12-07 12:14:08,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:14:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 576 transitions. [2019-12-07 12:14:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-07 12:14:08,553 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:08,553 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:08,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:14:08,754 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:08,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:08,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1093992796, now seen corresponding path program 1 times [2019-12-07 12:14:08,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:08,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232220354] [2019-12-07 12:14:08,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:08,877 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:14:08,879 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:14:08,892 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:14:08,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232220354] [2019-12-07 12:14:08,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:08,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:14:08,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942022457] [2019-12-07 12:14:08,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:14:08,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:08,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:14:08,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:14:08,897 INFO L87 Difference]: Start difference. First operand 385 states and 576 transitions. Second operand 5 states. [2019-12-07 12:14:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:09,042 INFO L93 Difference]: Finished difference Result 1012 states and 1506 transitions. [2019-12-07 12:14:09,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:14:09,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-12-07 12:14:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:09,045 INFO L225 Difference]: With dead ends: 1012 [2019-12-07 12:14:09,045 INFO L226 Difference]: Without dead ends: 641 [2019-12-07 12:14:09,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 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 12:14:09,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-12-07 12:14:09,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 433. [2019-12-07 12:14:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-12-07 12:14:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 624 transitions. [2019-12-07 12:14:09,064 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 624 transitions. Word has length 44 [2019-12-07 12:14:09,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:09,064 INFO L462 AbstractCegarLoop]: Abstraction has 433 states and 624 transitions. [2019-12-07 12:14:09,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:14:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 624 transitions. [2019-12-07 12:14:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-07 12:14:09,065 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:09,065 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:09,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 12:14:09,266 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:09,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:09,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1352158234, now seen corresponding path program 1 times [2019-12-07 12:14:09,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:09,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286136270] [2019-12-07 12:14:09,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:09,377 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:14:09,378 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:09,388 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 12:14:09,389 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:09,401 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 12:14:09,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286136270] [2019-12-07 12:14:09,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:09,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 12:14:09,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327587263] [2019-12-07 12:14:09,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:14:09,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:09,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:14:09,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:14:09,403 INFO L87 Difference]: Start difference. First operand 433 states and 624 transitions. Second operand 6 states. [2019-12-07 12:14:09,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:09,565 INFO L93 Difference]: Finished difference Result 1148 states and 1642 transitions. [2019-12-07 12:14:09,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:14:09,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2019-12-07 12:14:09,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:09,569 INFO L225 Difference]: With dead ends: 1148 [2019-12-07 12:14:09,569 INFO L226 Difference]: Without dead ends: 729 [2019-12-07 12:14:09,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 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 12:14:09,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2019-12-07 12:14:09,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 465. [2019-12-07 12:14:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-12-07 12:14:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 656 transitions. [2019-12-07 12:14:09,611 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 656 transitions. Word has length 44 [2019-12-07 12:14:09,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:09,611 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 656 transitions. [2019-12-07 12:14:09,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:14:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 656 transitions. [2019-12-07 12:14:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-07 12:14:09,613 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:09,613 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:09,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 12:14:09,813 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:09,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:09,814 INFO L82 PathProgramCache]: Analyzing trace with hash 341040984, now seen corresponding path program 1 times [2019-12-07 12:14:09,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:09,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121474652] [2019-12-07 12:14:09,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:09,936 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:14:09,937 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:09,945 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 12:14:09,945 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:09,956 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 12:14:09,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121474652] [2019-12-07 12:14:09,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:09,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:14:09,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742880130] [2019-12-07 12:14:09,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:14:09,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:09,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:14:09,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:14:09,958 INFO L87 Difference]: Start difference. First operand 465 states and 656 transitions. Second operand 4 states. [2019-12-07 12:14:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:10,064 INFO L93 Difference]: Finished difference Result 1347 states and 1912 transitions. [2019-12-07 12:14:10,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:14:10,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-07 12:14:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:10,068 INFO L225 Difference]: With dead ends: 1347 [2019-12-07 12:14:10,069 INFO L226 Difference]: Without dead ends: 896 [2019-12-07 12:14:10,069 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 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 12:14:10,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2019-12-07 12:14:10,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 738. [2019-12-07 12:14:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2019-12-07 12:14:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1035 transitions. [2019-12-07 12:14:10,099 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1035 transitions. Word has length 44 [2019-12-07 12:14:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:10,099 INFO L462 AbstractCegarLoop]: Abstraction has 738 states and 1035 transitions. [2019-12-07 12:14:10,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:14:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1035 transitions. [2019-12-07 12:14:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-07 12:14:10,100 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:10,100 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:10,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 12:14:10,301 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:10,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:10,302 INFO L82 PathProgramCache]: Analyzing trace with hash 772865075, now seen corresponding path program 1 times [2019-12-07 12:14:10,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:10,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037603312] [2019-12-07 12:14:10,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:10,416 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:14:10,417 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:10,423 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 12:14:10,423 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:10,425 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 12:14:10,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037603312] [2019-12-07 12:14:10,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:14:10,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:14:10,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205699094] [2019-12-07 12:14:10,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:14:10,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:10,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:14:10,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:14:10,427 INFO L87 Difference]: Start difference. First operand 738 states and 1035 transitions. Second operand 3 states. [2019-12-07 12:14:10,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:10,496 INFO L93 Difference]: Finished difference Result 1334 states and 1867 transitions. [2019-12-07 12:14:10,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:14:10,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-12-07 12:14:10,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:10,501 INFO L225 Difference]: With dead ends: 1334 [2019-12-07 12:14:10,501 INFO L226 Difference]: Without dead ends: 1332 [2019-12-07 12:14:10,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 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 12:14:10,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2019-12-07 12:14:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 937. [2019-12-07 12:14:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-12-07 12:14:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1345 transitions. [2019-12-07 12:14:10,538 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1345 transitions. Word has length 45 [2019-12-07 12:14:10,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:10,539 INFO L462 AbstractCegarLoop]: Abstraction has 937 states and 1345 transitions. [2019-12-07 12:14:10,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:14:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1345 transitions. [2019-12-07 12:14:10,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-07 12:14:10,540 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:10,540 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:10,740 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 12:14:10,741 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:10,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:10,741 INFO L82 PathProgramCache]: Analyzing trace with hash 883644073, now seen corresponding path program 1 times [2019-12-07 12:14:10,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:10,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803873943] [2019-12-07 12:14:10,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/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 12:14:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:10,853 INFO L264 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:14:10,855 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:14:10,868 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:14:10,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803873943] [2019-12-07 12:14:10,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1808841539] [2019-12-07 12:14:10,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:14:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:10,984 INFO L264 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:14:10,985 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:14:10,998 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:14:11,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:14:11,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2019-12-07 12:14:11,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348322510] [2019-12-07 12:14:11,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:14:11,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:11,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:14:11,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:14:11,004 INFO L87 Difference]: Start difference. First operand 937 states and 1345 transitions. Second operand 3 states. [2019-12-07 12:14:11,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:11,203 INFO L93 Difference]: Finished difference Result 2060 states and 2968 transitions. [2019-12-07 12:14:11,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:14:11,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-12-07 12:14:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:11,209 INFO L225 Difference]: With dead ends: 2060 [2019-12-07 12:14:11,209 INFO L226 Difference]: Without dead ends: 1137 [2019-12-07 12:14:11,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:14:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2019-12-07 12:14:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2019-12-07 12:14:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2019-12-07 12:14:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1588 transitions. [2019-12-07 12:14:11,266 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1588 transitions. Word has length 66 [2019-12-07 12:14:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:11,266 INFO L462 AbstractCegarLoop]: Abstraction has 1137 states and 1588 transitions. [2019-12-07 12:14:11,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:14:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1588 transitions. [2019-12-07 12:14:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 12:14:11,268 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:11,268 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:11,669 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 mathsat -unsat_core_generation=3 [2019-12-07 12:14:11,671 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:11,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:11,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1923017229, now seen corresponding path program 1 times [2019-12-07 12:14:11,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:11,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039121028] [2019-12-07 12:14:11,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 12:14:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:11,834 INFO L264 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:14:11,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:14:11,853 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:14:11,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039121028] [2019-12-07 12:14:11,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [442120451] [2019-12-07 12:14:11,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:14:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:12,073 INFO L264 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:14:12,074 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:14:12,084 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:14:12,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479238165] [2019-12-07 12:14:12,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:14:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:14:12,187 INFO L264 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:14:12,188 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:14:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:14:12,203 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:14:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:14:12,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2019-12-07 12:14:12,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3, 3, 3] total 7 [2019-12-07 12:14:12,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839222737] [2019-12-07 12:14:12,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:14:12,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:14:12,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:14:12,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:14:12,209 INFO L87 Difference]: Start difference. First operand 1137 states and 1588 transitions. Second operand 4 states. [2019-12-07 12:14:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:14:12,491 INFO L93 Difference]: Finished difference Result 2864 states and 3999 transitions. [2019-12-07 12:14:12,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:14:12,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2019-12-07 12:14:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:14:12,498 INFO L225 Difference]: With dead ends: 2864 [2019-12-07 12:14:12,498 INFO L226 Difference]: Without dead ends: 1841 [2019-12-07 12:14:12,499 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:14:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2019-12-07 12:14:12,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1837. [2019-12-07 12:14:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2019-12-07 12:14:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2538 transitions. [2019-12-07 12:14:12,578 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2538 transitions. Word has length 67 [2019-12-07 12:14:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:14:12,578 INFO L462 AbstractCegarLoop]: Abstraction has 1837 states and 2538 transitions. [2019-12-07 12:14:12,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:14:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2538 transitions. [2019-12-07 12:14:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 12:14:12,580 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:14:12,580 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:14:13,182 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:14:13,183 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:14:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:14:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1336211215, now seen corresponding path program 1 times [2019-12-07 12:14:13,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:14:13,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320983673] [2019-12-07 12:14:13,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2019-12-07 12:14:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:14:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:14:14,840 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 12:14:14,841 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:14:15,041 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2019-12-07 12:14:15,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:14:15 BoogieIcfgContainer [2019-12-07 12:14:15,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:14:15,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:14:15,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:14:15,166 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:14:15,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:14:06" (3/4) ... [2019-12-07 12:14:15,167 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 12:14:15,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_870d4e6f-f512-4dde-b8e0-42719418942f/bin/utaipan/witness.graphml [2019-12-07 12:14:15,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:14:15,256 INFO L168 Benchmark]: Toolchain (without parser) took 10878.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 947.0 MB in the beginning and 971.7 MB in the end (delta: -24.7 MB). Peak memory consumption was 305.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,256 INFO L168 Benchmark]: CDTParser took 0.12 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 12:14:15,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,257 INFO L168 Benchmark]: Boogie Preprocessor took 96.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,257 INFO L168 Benchmark]: RCFGBuilder took 1131.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.0 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,257 INFO L168 Benchmark]: TraceAbstraction took 9067.99 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 921.0 MB in the beginning and 1.0 GB in the end (delta: -87.3 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,258 INFO L168 Benchmark]: Witness Printer took 89.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 971.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:15,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 392.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1131.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.0 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9067.99 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 921.0 MB in the beginning and 1.0 GB in the end (delta: -87.3 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. * Witness Printer took 89.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 971.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1087]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L166] int pumpRunning = 0; [L167] int systemActive = 1; [L498] int cleanupTimeShifts = 4; [L678] int methAndRunningLastTime ; [L886] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] int retValue_acc ; [L578] int tmp ; [L1123] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1108] __SELECTED_FEATURE_base = 1 [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1109] __SELECTED_FEATURE_highWaterSensor = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1110] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1111] __SELECTED_FEATURE_methaneQuery = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1112] __SELECTED_FEATURE_methaneAlarm = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1113] __SELECTED_FEATURE_stopCommand = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1114] __SELECTED_FEATURE_startCommand = select_one() [L1128] int retValue_acc ; [L1131] retValue_acc = __SELECTED_FEATURE_base [L1132] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L683] methAndRunningLastTime = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L601] int splverifierCounter ; [L602] int tmp ; [L603] int tmp___0 ; [L604] int tmp___1 ; [L605] int tmp___2 ; [L608] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L610] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L618] tmp = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] COND FALSE !(\read(methaneLevelCritical)) [L89] methaneLevelCritical = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND FALSE !(\read(tmp___2)) [L650] tmp___1 = __VERIFIER_nondet_int() [L652] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L203] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L206] COND TRUE ! pumpRunning [L437] int retValue_acc ; [L438] int tmp ; [L439] int tmp___0 ; [L136] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L139] COND FALSE !(waterLevel < 2) [L143] retValue_acc = 0 [L144] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp = isHighWaterSensorDry() [L445] COND FALSE !(\read(tmp)) [L448] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L450] retValue_acc = tmp___0 [L451] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L208] tmp = isHighWaterLevel() [L210] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L359] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L334] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L688] int tmp ; [L689] int tmp___0 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L693] tmp = isMethaneLevelCritical() [L695] COND TRUE \read(tmp) [L392] int retValue_acc ; [L395] retValue_acc = pumpRunning [L396] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L697] tmp___0 = isPumpRunning() [L699] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND FALSE !(\read(methAndRunningLastTime)) [L705] methAndRunningLastTime = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L610] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L612] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L618] tmp = __VERIFIER_nondet_int() [L620] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND FALSE !(\read(tmp___2)) [L650] tmp___1 = __VERIFIER_nondet_int() [L652] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L174] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L62] COND TRUE waterLevel > 0 [L63] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L181] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L231] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L203] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L206] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; [L689] int tmp___0 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L693] tmp = isMethaneLevelCritical() [L695] COND TRUE \read(tmp) [L392] int retValue_acc ; [L395] retValue_acc = pumpRunning [L396] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L697] tmp___0 = isPumpRunning() [L699] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE \read(methAndRunningLastTime) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L1087] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483664, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 474 locations, 3 error locations. Result: UNSAFE, OverallTime: 8.9s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3841 SDtfs, 4097 SDslu, 5329 SDs, 0 SdLazy, 659 SolverSat, 182 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1316 GetRequests, 1274 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1837occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2516 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 731 NumberOfCodeBlocks, 731 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1300 ConstructedInterpolants, 0 QuantifiedInterpolants, 177064 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3296 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 182/206 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...