./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_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_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 0b5369e4c405e8397dff04a83a57a11661bb278d ...................................................................................................................................... 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_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 0b5369e4c405e8397dff04a83a57a11661bb278d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:20:18,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:20:18,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:20:18,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:20:18,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:20:18,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:20:18,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:20:18,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:20:18,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:20:18,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:20:18,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:20:18,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:20:18,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:20:18,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:20:18,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:20:18,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:20:18,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:20:18,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:20:18,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:20:18,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:20:18,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:20:18,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:20:18,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:20:18,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:20:18,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:20:18,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:20:18,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:20:18,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:20:18,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:20:18,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:20:18,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:20:18,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:20:18,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:20:18,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:20:18,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:20:18,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:20:18,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:20:18,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:20:18,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:20:18,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:20:18,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:20:18,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:20:18,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:20:18,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:20:18,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:20:18,698 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:20:18,698 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:20:18,699 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:20:18,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:20:18,700 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:20:18,700 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:20:18,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:20:18,700 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:20:18,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:20:18,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:20:18,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:20:18,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:20:18,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:20:18,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:20:18,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:20:18,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:20:18,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:20:18,703 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_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 -> 0b5369e4c405e8397dff04a83a57a11661bb278d [2019-12-07 21:20:18,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:20:18,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:20:18,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:20:18,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:20:18,811 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:20:18,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-12-07 21:20:18,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/b45deeab2/293de16dd94e45ea8159224e89a1dddc/FLAGc7752bb2a [2019-12-07 21:20:19,314 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:20:19,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-12-07 21:20:19,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/b45deeab2/293de16dd94e45ea8159224e89a1dddc/FLAGc7752bb2a [2019-12-07 21:20:19,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/b45deeab2/293de16dd94e45ea8159224e89a1dddc [2019-12-07 21:20:19,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:20:19,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:20:19,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:19,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:20:19,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:20:19,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:19" (1/1) ... [2019-12-07 21:20:19,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:19, skipping insertion in model container [2019-12-07 21:20:19,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:19" (1/1) ... [2019-12-07 21:20:19,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:20:19,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:20:19,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:20:19,598 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 21:20:19,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f388001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:19, skipping insertion in model container [2019-12-07 21:20:19,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:19,599 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:20:19,601 INFO L168 Benchmark]: Toolchain (without parser) took 263.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:19,601 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:20:19,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:19,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 21:20:20,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:20:20,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:20:20,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:20:20,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:20:20,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:20:20,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:20:20,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:20:20,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:20:20,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:20:20,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:20:20,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:20:20,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:20:20,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:20:20,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:20:20,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:20:20,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:20:20,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:20:20,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:20:20,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:20:20,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:20:20,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:20:20,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:20:20,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:20:20,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:20:20,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:20:20,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:20:20,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:20:20,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:20:20,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:20:20,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:20:20,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:20:20,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:20:20,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:20:20,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:20:20,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:20:20,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:20:20,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:20:20,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:20:20,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:20:20,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:20:20,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:20:20,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:20:20,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:20:20,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:20:20,807 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:20:20,808 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:20:20,808 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:20:20,808 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:20:20,808 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:20:20,808 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:20:20,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:20:20,809 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:20:20,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:20:20,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:20:20,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:20:20,811 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:20:20,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:20:20,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:20:20,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:20:20,812 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_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 -> 0b5369e4c405e8397dff04a83a57a11661bb278d [2019-12-07 21:20:20,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:20:20,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:20:20,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:20:20,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:20:20,993 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:20:20,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-12-07 21:20:21,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/9419765ab/b29ddae055cd4b64b13941c61de0b998/FLAGd7d987951 [2019-12-07 21:20:21,473 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:20:21,474 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-12-07 21:20:21,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/9419765ab/b29ddae055cd4b64b13941c61de0b998/FLAGd7d987951 [2019-12-07 21:20:21,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/data/9419765ab/b29ddae055cd4b64b13941c61de0b998 [2019-12-07 21:20:21,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:20:21,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:20:21,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:21,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:20:21,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:20:21,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:21" (1/1) ... [2019-12-07 21:20:21,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:21, skipping insertion in model container [2019-12-07 21:20:21,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:21" (1/1) ... [2019-12-07 21:20:21,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:20:21,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:20:22,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:20:22,093 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:20:22,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:20:22,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:20:22,154 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:20:22,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:20:22,242 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:20:22,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22 WrapperNode [2019-12-07 21:20:22,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:22,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:20:22,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:20:22,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:20:22,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:20:22,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:20:22,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:20:22,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:20:22,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... [2019-12-07 21:20:22,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:20:22,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:20:22,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:20:22,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:20:22,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:20:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:20:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:20:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:20:23,546 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:20:23,546 INFO L287 CfgBuilder]: Removed 906 assume(true) statements. [2019-12-07 21:20:23,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:20:23 BoogieIcfgContainer [2019-12-07 21:20:23,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:20:23,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:20:23,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:20:23,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:20:23,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:20:21" (1/3) ... [2019-12-07 21:20:23,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb5bbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:20:23, skipping insertion in model container [2019-12-07 21:20:23,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:22" (2/3) ... [2019-12-07 21:20:23,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb5bbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:20:23, skipping insertion in model container [2019-12-07 21:20:23,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:20:23" (3/3) ... [2019-12-07 21:20:23,554 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2019-12-07 21:20:23,562 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:20:23,567 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:20:23,575 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:20:23,594 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:20:23,594 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:20:23,594 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:20:23,594 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:20:23,594 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:20:23,594 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:20:23,594 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:20:23,594 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:20:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-12-07 21:20:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 21:20:23,619 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:20:23,619 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 21:20:23,620 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:20:23,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:20:23,625 INFO L82 PathProgramCache]: Analyzing trace with hash 603642961, now seen corresponding path program 1 times [2019-12-07 21:20:23,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:20:23,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480932928] [2019-12-07 21:20:23,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:20:23,771 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:20:23,775 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:20:23,787 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 21:20:23,787 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:20:23,791 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 21:20:23,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480932928] [2019-12-07 21:20:23,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:20:23,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:20:23,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159924429] [2019-12-07 21:20:23,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:20:23,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:20:23,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:20:23,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:20:23,807 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-12-07 21:20:23,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:20:23,851 INFO L93 Difference]: Finished difference Result 939 states and 1472 transitions. [2019-12-07 21:20:23,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:20:23,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-12-07 21:20:23,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:20:23,865 INFO L225 Difference]: With dead ends: 939 [2019-12-07 21:20:23,865 INFO L226 Difference]: Without dead ends: 472 [2019-12-07 21:20:23,871 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 21:20:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-12-07 21:20:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2019-12-07 21:20:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-12-07 21:20:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2019-12-07 21:20:23,920 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2019-12-07 21:20:23,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:20:23,921 INFO L462 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2019-12-07 21:20:23,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:20:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2019-12-07 21:20:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 21:20:23,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:20:23,923 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:20:24,124 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:20:24,125 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:20:24,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:20:24,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1179320613, now seen corresponding path program 1 times [2019-12-07 21:20:24,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:20:24,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801065349] [2019-12-07 21:20:24,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:20:24,290 INFO L264 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:20:24,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:20:24,304 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 21:20:24,304 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:20:24,312 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 21:20:24,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801065349] [2019-12-07 21:20:24,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:20:24,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:20:24,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956697634] [2019-12-07 21:20:24,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:20:24,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:20:24,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:20:24,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:20:24,314 INFO L87 Difference]: Start difference. First operand 472 states and 731 transitions. Second operand 4 states. [2019-12-07 21:20:24,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:20:24,334 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2019-12-07 21:20:24,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:20:24,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 21:20:24,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:20:24,336 INFO L225 Difference]: With dead ends: 472 [2019-12-07 21:20:24,336 INFO L226 Difference]: Without dead ends: 174 [2019-12-07 21:20:24,337 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 21:20:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-12-07 21:20:24,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2019-12-07 21:20:24,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-12-07 21:20:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2019-12-07 21:20:24,347 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2019-12-07 21:20:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:20:24,348 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2019-12-07 21:20:24,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:20:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2019-12-07 21:20:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 21:20:24,349 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:20:24,350 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 21:20:24,550 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:20:24,551 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:20:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:20:24,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2019-12-07 21:20:24,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:20:24,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216464953] [2019-12-07 21:20:24,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:20:24,704 INFO L264 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:20:24,706 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:20:24,732 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 21:20:24,732 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:20:24,740 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 21:20:24,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216464953] [2019-12-07 21:20:24,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:20:24,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:20:24,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153068712] [2019-12-07 21:20:24,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:20:24,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:20:24,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:20:24,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:20:24,741 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 4 states. [2019-12-07 21:20:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:20:24,768 INFO L93 Difference]: Finished difference Result 523 states and 813 transitions. [2019-12-07 21:20:24,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:20:24,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 21:20:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:20:24,770 INFO L225 Difference]: With dead ends: 523 [2019-12-07 21:20:24,770 INFO L226 Difference]: Without dead ends: 362 [2019-12-07 21:20:24,771 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 21:20:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-12-07 21:20:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 197. [2019-12-07 21:20:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-12-07 21:20:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2019-12-07 21:20:24,782 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 32 [2019-12-07 21:20:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:20:24,782 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2019-12-07 21:20:24,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:20:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2019-12-07 21:20:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 21:20:24,784 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:20:24,784 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 21:20:24,984 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:20:24,985 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:20:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:20:24,985 INFO L82 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2019-12-07 21:20:24,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:20:24,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083689796] [2019-12-07 21:20:24,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:20:25,138 INFO L264 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:20:25,139 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:20:25,146 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 21:20:25,147 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:20:25,151 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 21:20:25,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083689796] [2019-12-07 21:20:25,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:20:25,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:20:25,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214934943] [2019-12-07 21:20:25,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:20:25,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:20:25,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:20:25,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:20:25,153 INFO L87 Difference]: Start difference. First operand 197 states and 302 transitions. Second operand 3 states. [2019-12-07 21:20:25,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:20:25,220 INFO L93 Difference]: Finished difference Result 394 states and 612 transitions. [2019-12-07 21:20:25,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:20:25,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-07 21:20:25,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:20:25,222 INFO L225 Difference]: With dead ends: 394 [2019-12-07 21:20:25,223 INFO L226 Difference]: Without dead ends: 210 [2019-12-07 21:20:25,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 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 21:20:25,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-12-07 21:20:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2019-12-07 21:20:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-12-07 21:20:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2019-12-07 21:20:25,236 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 35 [2019-12-07 21:20:25,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:20:25,237 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2019-12-07 21:20:25,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:20:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2019-12-07 21:20:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 21:20:25,238 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:20:25,238 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 21:20:25,442 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:20:25,443 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:20:25,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:20:25,444 INFO L82 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2019-12-07 21:20:25,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:20:25,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964706722] [2019-12-07 21:20:25,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:20:25,615 INFO L264 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:20:25,616 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:20:25,629 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 21:20:25,629 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:20:25,651 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 21:20:25,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964706722] [2019-12-07 21:20:25,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:20:25,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 21:20:25,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823416802] [2019-12-07 21:20:25,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:20:25,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:20:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:20:25,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:20:25,652 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand 8 states. [2019-12-07 21:20:26,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:20:26,259 INFO L93 Difference]: Finished difference Result 2557 states and 3926 transitions. [2019-12-07 21:20:26,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 21:20:26,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-07 21:20:26,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:20:26,273 INFO L225 Difference]: With dead ends: 2557 [2019-12-07 21:20:26,273 INFO L226 Difference]: Without dead ends: 2362 [2019-12-07 21:20:26,275 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 21:20:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2019-12-07 21:20:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 511. [2019-12-07 21:20:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-12-07 21:20:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 761 transitions. [2019-12-07 21:20:26,326 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 761 transitions. Word has length 35 [2019-12-07 21:20:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:20:26,326 INFO L462 AbstractCegarLoop]: Abstraction has 511 states and 761 transitions. [2019-12-07 21:20:26,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:20:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 761 transitions. [2019-12-07 21:20:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 21:20:26,327 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:20:26,327 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 21:20:26,527 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:20:26,528 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:20:26,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:20:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2019-12-07 21:20:26,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:20:26,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524856719] [2019-12-07 21:20:26,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/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 21:20:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:20:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:20:28,025 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 21:20:28,026 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:20:28,226 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:20:28,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:20:28 BoogieIcfgContainer [2019-12-07 21:20:28,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:20:28,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:20:28,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:20:28,328 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:20:28,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:20:23" (3/4) ... [2019-12-07 21:20:28,330 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 21:20:28,395 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a27dbed7-5ff3-40d0-8b14-12373acdda25/bin/utaipan/witness.graphml [2019-12-07 21:20:28,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:20:28,396 INFO L168 Benchmark]: Toolchain (without parser) took 6577.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 947.0 MB in the beginning and 866.6 MB in the end (delta: 80.4 MB). Peak memory consumption was 296.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,396 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:20:28,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.87 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,397 INFO L168 Benchmark]: Boogie Preprocessor took 78.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,397 INFO L168 Benchmark]: RCFGBuilder took 1144.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.9 MB in the end (delta: 149.5 MB). Peak memory consumption was 149.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,397 INFO L168 Benchmark]: TraceAbstraction took 4778.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 909.9 MB in the beginning and 890.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,398 INFO L168 Benchmark]: Witness Printer took 67.42 ms. Allocated memory is still 1.2 GB. Free memory was 890.0 MB in the beginning and 866.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:28,399 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 423.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.87 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1144.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.9 MB in the end (delta: 149.5 MB). Peak memory consumption was 149.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4778.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 909.9 MB in the beginning and 890.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. * Witness Printer took 67.42 ms. Allocated memory is still 1.2 GB. Free memory was 890.0 MB in the beginning and 866.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1022]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 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}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L487] int retValue_acc ; [L488] int tmp ; [L968] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L953] __SELECTED_FEATURE_base = 1 [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] __SELECTED_FEATURE_stopCommand = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L959] __SELECTED_FEATURE_startCommand = select_one() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1045] COND TRUE waterLevel < 2 [L1046] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] COND TRUE \read(__SELECTED_FEATURE_stopCommand) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L917] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] systemActive = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L613] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L620] COND FALSE !(\read(systemActive)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L997] tmp___0 = getWaterLevel() [L999] COND TRUE tmp___0 == 2 [L831] int retValue_acc ; [L834] retValue_acc = pumpRunning [L835] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1001] tmp___1 = isPumpRunning() [L1003] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1022] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=12, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=14, __SELECTED_FEATURE_stopCommand=2147483648, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 476 locations, 3 error locations. Result: UNSAFE, OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1916 SDtfs, 4315 SDslu, 3449 SDs, 0 SdLazy, 413 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2018 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 26481 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1067 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...