./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.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_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 97e1e79d9f040fa1d57b96c793652004756593a5 ...................................................................................................................................... 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_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 97e1e79d9f040fa1d57b96c793652004756593a5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 22:07:23,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:07:23,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:07:23,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:07:23,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:07:23,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:07:23,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:07:23,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:07:23,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:07:23,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:07:23,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:07:23,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:07:23,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:07:23,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:07:23,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:07:23,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:07:23,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:07:23,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:07:23,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:07:23,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:07:23,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:07:23,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:07:23,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:07:23,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:07:23,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:07:23,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:07:23,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:07:23,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:07:23,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:07:23,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:07:23,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:07:23,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:07:23,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:07:23,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:07:23,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:07:23,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:07:23,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:07:23,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:07:23,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:07:23,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:07:23,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:07:23,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 22:07:23,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:07:23,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:07:23,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:07:23,686 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:07:23,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:07:23,687 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:07:23,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 22:07:23,687 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:07:23,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:07:23,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 22:07:23,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 22:07:23,688 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:07:23,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 22:07:23,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 22:07:23,688 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 22:07:23,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:07:23,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 22:07:23,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 22:07:23,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 22:07:23,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:07:23,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:07:23,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:07:23,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:07:23,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:07:23,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 22:07:23,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:07:23,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:07:23,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:07:23,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:07:23,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:07:23,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:07:23,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:07:23,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:07:23,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:07:23,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:07:23,692 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 22:07:23,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 22:07:23,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:07:23,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:07:23,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:07:23,693 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_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2019-12-07 22:07:23,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:07:23,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:07:23,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:07:23,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:07:23,804 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:07:23,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-12-07 22:07:23,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/0f3e0cfbc/c8c3bd236df64209b4272f098b2e971b/FLAG4b9924b80 [2019-12-07 22:07:24,287 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:07:24,287 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-12-07 22:07:24,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/0f3e0cfbc/c8c3bd236df64209b4272f098b2e971b/FLAG4b9924b80 [2019-12-07 22:07:24,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/0f3e0cfbc/c8c3bd236df64209b4272f098b2e971b [2019-12-07 22:07:24,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:07:24,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:07:24,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:24,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:07:24,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:07:24,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:24" (1/1) ... [2019-12-07 22:07:24,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@881d7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:24, skipping insertion in model container [2019-12-07 22:07:24,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:24" (1/1) ... [2019-12-07 22:07:24,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:07:24,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:24,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:24,588 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 22:07:24,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6959aca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:24, skipping insertion in model container [2019-12-07 22:07:24,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:24,589 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 22:07:24,591 INFO L168 Benchmark]: Toolchain (without parser) took 281.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:24,591 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:07:24,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:24,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 328]: 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 22:07:25,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:07:25,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:07:25,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:07:25,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:07:25,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:07:25,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:07:25,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:07:25,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:07:25,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:07:25,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:07:25,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:07:25,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:07:25,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:07:25,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:07:25,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:07:25,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:07:25,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:07:25,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:07:25,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:07:25,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:07:25,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:07:25,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:07:25,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:07:25,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:07:25,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:07:25,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:07:25,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:07:25,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:07:25,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:07:25,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:07:25,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:07:25,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:07:25,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:07:25,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:07:25,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:07:25,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:07:25,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:07:25,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:07:25,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:07:25,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:07:25,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 22:07:25,791 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:07:25,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:07:25,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:07:25,792 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:07:25,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:07:25,793 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:07:25,793 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:07:25,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:07:25,793 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:07:25,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:07:25,794 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:07:25,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 22:07:25,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:07:25,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 22:07:25,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:07:25,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:07:25,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:07:25,797 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_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2019-12-07 22:07:25,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:07:25,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:07:25,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:07:25,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:07:25,976 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:07:25,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-12-07 22:07:26,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/4f4e9ff1a/f840fd79d90d496288b42d0144902ce8/FLAGcffb9af45 [2019-12-07 22:07:26,505 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:07:26,505 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-12-07 22:07:26,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/4f4e9ff1a/f840fd79d90d496288b42d0144902ce8/FLAGcffb9af45 [2019-12-07 22:07:26,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/data/4f4e9ff1a/f840fd79d90d496288b42d0144902ce8 [2019-12-07 22:07:26,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:07:26,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:07:26,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:26,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:07:26,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:07:26,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26, skipping insertion in model container [2019-12-07 22:07:26,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:07:26,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:26,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:26,792 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 22:07:26,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:26,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:26,845 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 22:07:26,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:26,906 INFO L208 MainTranslator]: Completed translation [2019-12-07 22:07:26,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26 WrapperNode [2019-12-07 22:07:26,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:26,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 22:07:26,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 22:07:26,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 22:07:26,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 22:07:26,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 22:07:26,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 22:07:26,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 22:07:26,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... [2019-12-07 22:07:26,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 22:07:26,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 22:07:26,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 22:07:26,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 22:07:26,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 22:07:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 22:07:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 22:07:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 22:07:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 22:07:27,440 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 22:07:27,441 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 22:07:27,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:27 BoogieIcfgContainer [2019-12-07 22:07:27,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 22:07:27,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 22:07:27,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 22:07:27,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 22:07:27,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:07:26" (1/3) ... [2019-12-07 22:07:27,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5737298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:27, skipping insertion in model container [2019-12-07 22:07:27,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:26" (2/3) ... [2019-12-07 22:07:27,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5737298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:27, skipping insertion in model container [2019-12-07 22:07:27,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:27" (3/3) ... [2019-12-07 22:07:27,449 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2019-12-07 22:07:27,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 22:07:27,463 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 22:07:27,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 22:07:27,488 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 22:07:27,488 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 22:07:27,488 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 22:07:27,488 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 22:07:27,488 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 22:07:27,488 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 22:07:27,488 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 22:07:27,488 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 22:07:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 22:07:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 22:07:27,505 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:27,506 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:27,506 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:27,511 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-12-07 22:07:27,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:27,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603872711] [2019-12-07 22:07:27,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 22:07:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:27,654 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 22:07:27,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:27,669 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 22:07:27,669 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:27,673 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 22:07:27,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603872711] [2019-12-07 22:07:27,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:27,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 22:07:27,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061812352] [2019-12-07 22:07:27,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 22:07:27,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:27,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 22:07:27,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 22:07:27,690 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 22:07:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:27,710 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 22:07:27,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 22:07:27,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 22:07:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:27,720 INFO L225 Difference]: With dead ends: 136 [2019-12-07 22:07:27,721 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 22:07:27,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 22:07:27,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 22:07:27,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 22:07:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 22:07:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 22:07:27,754 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 22:07:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:27,754 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 22:07:27,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 22:07:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 22:07:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 22:07:27,755 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:27,755 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:27,956 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 22:07:27,957 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:27,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:27,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-12-07 22:07:27,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:27,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903757529] [2019-12-07 22:07:27,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 22:07:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:28,170 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:28,172 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:28,185 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 22:07:28,185 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:28,194 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 22:07:28,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903757529] [2019-12-07 22:07:28,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:28,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 22:07:28,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203777172] [2019-12-07 22:07:28,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 22:07:28,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:28,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 22:07:28,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:28,197 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 22:07:28,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:28,208 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 22:07:28,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:28,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 22:07:28,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:28,209 INFO L225 Difference]: With dead ends: 67 [2019-12-07 22:07:28,209 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 22:07:28,210 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:28,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 22:07:28,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 22:07:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 22:07:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 22:07:28,214 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 22:07:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:28,214 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 22:07:28,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 22:07:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 22:07:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 22:07:28,215 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:28,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:28,415 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 22:07:28,416 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:28,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:28,417 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-12-07 22:07:28,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:28,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835038684] [2019-12-07 22:07:28,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 22:07:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:28,668 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:28,669 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:28,678 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 22:07:28,678 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:28,685 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 22:07:28,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835038684] [2019-12-07 22:07:28,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:28,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 22:07:28,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027824003] [2019-12-07 22:07:28,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 22:07:28,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:28,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 22:07:28,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:28,686 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 22:07:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:28,729 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 22:07:28,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 22:07:28,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 22:07:28,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:28,730 INFO L225 Difference]: With dead ends: 110 [2019-12-07 22:07:28,731 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 22:07:28,731 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:28,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 22:07:28,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 22:07:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 22:07:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 22:07:28,738 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 22:07:28,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:28,739 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 22:07:28,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 22:07:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 22:07:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 22:07:28,740 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:28,740 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:28,940 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 22:07:28,941 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:28,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:28,942 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-12-07 22:07:28,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:28,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470132242] [2019-12-07 22:07:28,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 22:07:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:29,129 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:29,130 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:29,144 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:29,150 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 22:07:29,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470132242] [2019-12-07 22:07:29,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:29,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 22:07:29,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81271317] [2019-12-07 22:07:29,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 22:07:29,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:29,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 22:07:29,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 22:07:29,152 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-12-07 22:07:29,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:29,243 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2019-12-07 22:07:29,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 22:07:29,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 22:07:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:29,245 INFO L225 Difference]: With dead ends: 237 [2019-12-07 22:07:29,245 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 22:07:29,246 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 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 22:07:29,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 22:07:29,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2019-12-07 22:07:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 22:07:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2019-12-07 22:07:29,258 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2019-12-07 22:07:29,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:29,259 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2019-12-07 22:07:29,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 22:07:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2019-12-07 22:07:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 22:07:29,260 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:29,260 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:29,460 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 22:07:29,462 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:29,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:29,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2019-12-07 22:07:29,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:29,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593037939] [2019-12-07 22:07:29,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/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 22:07:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:29,748 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:29,749 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:29,762 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 22:07:29,762 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:29,765 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 22:07:29,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593037939] [2019-12-07 22:07:29,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:29,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 22:07:29,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325839668] [2019-12-07 22:07:29,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 22:07:29,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:29,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 22:07:29,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 22:07:29,766 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2019-12-07 22:07:29,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:29,841 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2019-12-07 22:07:29,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 22:07:29,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 22:07:29,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:29,842 INFO L225 Difference]: With dead ends: 282 [2019-12-07 22:07:29,842 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 22:07:29,843 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 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 22:07:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 22:07:29,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 22:07:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 22:07:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 22:07:29,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 22:07:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:29,844 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 22:07:29,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 22:07:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 22:07:29,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 22:07:30,045 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 22:07:30,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 22:07:30,347 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-12-07 22:07:30,347 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L242 CegarLoopResult]: At program point L779(lines 774 782) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,348 INFO L242 CegarLoopResult]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L242 CegarLoopResult]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point L713-1(lines 713 721) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 22:07:30,348 INFO L246 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-12-07 22:07:30,349 INFO L242 CegarLoopResult]: At program point L136-1(lines 1 910) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,349 INFO L246 CegarLoopResult]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2019-12-07 22:07:30,349 INFO L242 CegarLoopResult]: At program point L136-3(lines 1 910) the Hoare annotation is: false [2019-12-07 22:07:30,349 INFO L246 CegarLoopResult]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2019-12-07 22:07:30,349 INFO L242 CegarLoopResult]: At program point L136-5(lines 1 910) the Hoare annotation is: false [2019-12-07 22:07:30,349 INFO L246 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-12-07 22:07:30,349 INFO L242 CegarLoopResult]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,349 INFO L249 CegarLoopResult]: At program point L286(lines 267 289) the Hoare annotation is: true [2019-12-07 22:07:30,349 INFO L242 CegarLoopResult]: At program point L253(lines 249 255) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:07:30,349 INFO L242 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-12-07 22:07:30,350 INFO L246 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L684(lines 684 690) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,350 INFO L242 CegarLoopResult]: At program point L684-1(lines 684 690) the Hoare annotation is: false [2019-12-07 22:07:30,351 INFO L242 CegarLoopResult]: At program point L684-2(lines 684 690) the Hoare annotation is: false [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L208-1(lines 677 683) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 22:07:30,351 INFO L242 CegarLoopResult]: At program point L770(lines 763 773) the Hoare annotation is: false [2019-12-07 22:07:30,351 INFO L242 CegarLoopResult]: At program point L770-1(lines 763 773) the Hoare annotation is: false [2019-12-07 22:07:30,352 INFO L242 CegarLoopResult]: At program point L770-2(lines 763 773) the Hoare annotation is: false [2019-12-07 22:07:30,352 INFO L242 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-12-07 22:07:30,352 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 22:07:30,352 INFO L246 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-12-07 22:07:30,352 INFO L246 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-12-07 22:07:30,352 INFO L246 CegarLoopResult]: For program point L277(lines 277 284) no Hoare annotation was computed. [2019-12-07 22:07:30,352 INFO L249 CegarLoopResult]: At program point L277-1(lines 277 284) the Hoare annotation is: true [2019-12-07 22:07:30,352 INFO L246 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2019-12-07 22:07:30,352 INFO L242 CegarLoopResult]: At program point L823-1(lines 823 829) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,352 INFO L242 CegarLoopResult]: At program point L179(lines 1 910) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:07:30,352 INFO L246 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-12-07 22:07:30,353 INFO L242 CegarLoopResult]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,353 INFO L246 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2019-12-07 22:07:30,353 INFO L246 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-12-07 22:07:30,353 INFO L246 CegarLoopResult]: For program point L295-2(line 295) no Hoare annotation was computed. [2019-12-07 22:07:30,353 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 22:07:30,353 INFO L246 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2019-12-07 22:07:30,353 INFO L246 CegarLoopResult]: For program point L709-1(lines 709 726) no Hoare annotation was computed. [2019-12-07 22:07:30,354 INFO L246 CegarLoopResult]: For program point L709-2(lines 709 726) no Hoare annotation was computed. [2019-12-07 22:07:30,354 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 22:07:30,354 INFO L246 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-12-07 22:07:30,354 INFO L242 CegarLoopResult]: At program point L891-1(lines 677 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,354 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-12-07 22:07:30,354 INFO L242 CegarLoopResult]: At program point L677(lines 676 695) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 22:07:30,354 INFO L246 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2019-12-07 22:07:30,354 INFO L242 CegarLoopResult]: At program point L677-2(lines 676 695) the Hoare annotation is: false [2019-12-07 22:07:30,354 INFO L242 CegarLoopResult]: At program point L677-3(lines 676 695) the Hoare annotation is: false [2019-12-07 22:07:30,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:07:30 BoogieIcfgContainer [2019-12-07 22:07:30,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 22:07:30,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 22:07:30,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 22:07:30,368 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 22:07:30,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:27" (3/4) ... [2019-12-07 22:07:30,372 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 22:07:30,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 22:07:30,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 22:07:30,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 22:07:30,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 22:07:30,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 22:07:30,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:07:30,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:07:30,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 22:07:30,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_88c1e0c8-e2e8-4009-ab89-a1fe425cbc25/bin/utaipan/witness.graphml [2019-12-07 22:07:30,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 22:07:30,442 INFO L168 Benchmark]: Toolchain (without parser) took 3917.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 953.7 MB in the beginning and 805.5 MB in the end (delta: 148.2 MB). Peak memory consumption was 283.5 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:30,442 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 22:07:30,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:30,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.85 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 22:07:30,443 INFO L168 Benchmark]: Boogie Preprocessor took 26.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:07:30,443 INFO L168 Benchmark]: RCFGBuilder took 467.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:30,443 INFO L168 Benchmark]: TraceAbstraction took 2924.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 816.1 MB in the end (delta: 213.9 MB). Peak memory consumption was 213.9 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:30,443 INFO L168 Benchmark]: Witness Printer took 72.56 ms. Allocated memory is still 1.2 GB. Free memory was 816.1 MB in the beginning and 805.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:30,444 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 382.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.85 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. * Boogie Preprocessor took 26.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 467.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2924.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 816.1 MB in the end (delta: 213.9 MB). Peak memory consumption was 213.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.56 ms. Allocated memory is still 1.2 GB. Free memory was 816.1 MB in the beginning and 805.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 308 SDtfs, 407 SDslu, 334 SDs, 0 SdLazy, 62 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 906 ConjunctsInSsa, 15 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 correct! Received shutdown request...