./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c75cc0efa833cee2ae88b3635c1f8807d970760 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c75cc0efa833cee2ae88b3635c1f8807d970760 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-22 13:06:09,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:09,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:09,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:09,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:09,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:09,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:09,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:09,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:09,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:09,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:09,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:09,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:09,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:09,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:09,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:09,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:09,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:09,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:09,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:09,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:09,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:09,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:09,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:09,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:09,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:09,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:09,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:09,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:09,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:09,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:09,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:09,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:09,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:09,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:09,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:09,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:09,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:09,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:09,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:09,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:09,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:06:09,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:09,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:09,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:09,770 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:09,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:09,770 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:09,770 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:09,771 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:09,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:09,771 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:09,772 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:09,772 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:09,773 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:09,773 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:09,773 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:09,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:09,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:09,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:09,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:09,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:09,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:09,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:09,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:09,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:09,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:09,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:09,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:09,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:09,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:09,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:09,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:09,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:09,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:09,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:09,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:09,781 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:09,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:09,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:09,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:09,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:09,782 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c75cc0efa833cee2ae88b3635c1f8807d970760 [2020-11-22 13:06:10,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:10,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:10,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:10,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:10,081 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:10,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2020-11-22 13:06:10,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/a8347f6b0/a6d1387ef0334873aa35668aa6a86b5c/FLAG45bef1f73 [2020-11-22 13:06:10,723 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:10,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2020-11-22 13:06:10,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/a8347f6b0/a6d1387ef0334873aa35668aa6a86b5c/FLAG45bef1f73 [2020-11-22 13:06:11,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/a8347f6b0/a6d1387ef0334873aa35668aa6a86b5c [2020-11-22 13:06:11,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:11,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:11,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:11,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:11,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:11,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:11" (1/1) ... [2020-11-22 13:06:11,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdd794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:11, skipping insertion in model container [2020-11-22 13:06:11,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:11" (1/1) ... [2020-11-22 13:06:11,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:11,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:11,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:11,451 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) [2020-11-22 13:06:11,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e0be657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:11, skipping insertion in model container [2020-11-22 13:06:11,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:11,453 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:11,455 INFO L168 Benchmark]: Toolchain (without parser) took 423.09 ms. Allocated memory is still 111.1 MB. Free memory was 78.0 MB in the beginning and 84.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:11,456 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 35.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:11,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.52 ms. Allocated memory is still 111.1 MB. Free memory was 77.8 MB in the beginning and 84.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:11,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 35.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.52 ms. Allocated memory is still 111.1 MB. Free memory was 77.8 MB in the beginning and 84.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 560]: 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 0.2.0-a4ecdab [2020-11-22 13:06:13,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:13,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:13,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:13,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:13,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:13,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:13,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:13,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:13,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:13,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:13,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:13,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:13,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:13,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:13,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:13,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:13,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:13,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:13,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:13,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:13,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:13,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:13,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:13,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:13,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:13,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:13,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:13,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:13,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:13,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:13,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:13,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:13,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:13,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:13,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:13,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:13,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:13,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:13,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:13,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:13,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:06:13,871 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:13,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:13,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:13,872 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:13,873 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:13,873 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:13,873 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:13,873 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:13,873 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:13,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:13,874 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:13,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:13,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:13,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:13,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:13,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:13,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:13,876 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:13,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:13,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:13,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:13,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:13,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:13,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:13,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:13,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:13,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:13,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:13,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:13,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:13,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:13,878 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:13,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:13,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:13,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:13,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:13,879 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c75cc0efa833cee2ae88b3635c1f8807d970760 [2020-11-22 13:06:14,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:14,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:14,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:14,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:14,272 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:14,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2020-11-22 13:06:14,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/e95fc320b/603ca24e4f044f6a8aa4a9c2d67994de/FLAGa2a55e2a1 [2020-11-22 13:06:14,982 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:14,982 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2020-11-22 13:06:15,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/e95fc320b/603ca24e4f044f6a8aa4a9c2d67994de/FLAGa2a55e2a1 [2020-11-22 13:06:15,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/data/e95fc320b/603ca24e4f044f6a8aa4a9c2d67994de [2020-11-22 13:06:15,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:15,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:15,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:15,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:15,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:15,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d370cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15, skipping insertion in model container [2020-11-22 13:06:15,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:15,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:15,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:15,643 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:06:15,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:15,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:15,761 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:06:15,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:15,910 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:06:15,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15 WrapperNode [2020-11-22 13:06:15,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:15,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:15,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:06:15,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:06:15,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:16,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:06:16,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:06:16,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:06:16,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:16,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:06:16,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:06:16,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:06:16,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:06:16,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:06:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:06:16,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:06:19,426 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:06:19,426 INFO L298 CfgBuilder]: Removed 366 assume(true) statements. [2020-11-22 13:06:19,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:19 BoogieIcfgContainer [2020-11-22 13:06:19,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:06:19,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:06:19,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:06:19,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:06:19,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:06:15" (1/3) ... [2020-11-22 13:06:19,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdc0315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:19, skipping insertion in model container [2020-11-22 13:06:19,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (2/3) ... [2020-11-22 13:06:19,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdc0315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:19, skipping insertion in model container [2020-11-22 13:06:19,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:19" (3/3) ... [2020-11-22 13:06:19,439 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2020-11-22 13:06:19,455 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:06:19,458 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:06:19,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:06:19,496 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:06:19,496 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:06:19,496 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:06:19,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:06:19,496 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:06:19,497 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:06:19,497 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:06:19,497 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:06:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-11-22 13:06:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:06:19,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:19,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:19,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:19,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:19,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1225666969, now seen corresponding path program 1 times [2020-11-22 13:06:19,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:19,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397798852] [2020-11-22 13:06:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:19,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:06:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:19,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:19,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397798852] [2020-11-22 13:06:19,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:19,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:06:19,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451183040] [2020-11-22 13:06:19,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:06:19,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:19,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:06:19,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:19,846 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 2 states. [2020-11-22 13:06:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:19,892 INFO L93 Difference]: Finished difference Result 463 states and 692 transitions. [2020-11-22 13:06:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:06:19,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:06:19,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:19,906 INFO L225 Difference]: With dead ends: 463 [2020-11-22 13:06:19,906 INFO L226 Difference]: Without dead ends: 229 [2020-11-22 13:06:19,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:19,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-11-22 13:06:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-11-22 13:06:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-11-22 13:06:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 336 transitions. [2020-11-22 13:06:19,963 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 336 transitions. Word has length 18 [2020-11-22 13:06:19,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:19,964 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 336 transitions. [2020-11-22 13:06:19,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:06:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2020-11-22 13:06:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:06:19,966 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:19,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:20,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:06:20,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:20,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:20,181 INFO L82 PathProgramCache]: Analyzing trace with hash -329174554, now seen corresponding path program 1 times [2020-11-22 13:06:20,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:20,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305681442] [2020-11-22 13:06:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:20,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:20,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:20,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:20,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305681442] [2020-11-22 13:06:20,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:20,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:20,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273616401] [2020-11-22 13:06:20,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:20,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:20,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:20,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:20,430 INFO L87 Difference]: Start difference. First operand 229 states and 336 transitions. Second operand 4 states. [2020-11-22 13:06:20,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:20,469 INFO L93 Difference]: Finished difference Result 229 states and 336 transitions. [2020-11-22 13:06:20,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:20,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:06:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:20,473 INFO L225 Difference]: With dead ends: 229 [2020-11-22 13:06:20,475 INFO L226 Difference]: Without dead ends: 87 [2020-11-22 13:06:20,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:20,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-22 13:06:20,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-11-22 13:06:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-22 13:06:20,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-11-22 13:06:20,493 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2020-11-22 13:06:20,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:20,495 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-11-22 13:06:20,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-11-22 13:06:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:06:20,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:20,497 INFO L422 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] [2020-11-22 13:06:20,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:06:20,717 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:20,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:20,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1012740860, now seen corresponding path program 1 times [2020-11-22 13:06:20,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:20,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651100850] [2020-11-22 13:06:20,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:20,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:20,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:20,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:20,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651100850] [2020-11-22 13:06:20,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:20,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:20,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600578489] [2020-11-22 13:06:20,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:20,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:20,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:20,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:20,970 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 4 states. [2020-11-22 13:06:21,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:21,042 INFO L93 Difference]: Finished difference Result 274 states and 406 transitions. [2020-11-22 13:06:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:06:21,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:06:21,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:21,047 INFO L225 Difference]: With dead ends: 274 [2020-11-22 13:06:21,047 INFO L226 Difference]: Without dead ends: 193 [2020-11-22 13:06:21,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-11-22 13:06:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 108. [2020-11-22 13:06:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-22 13:06:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2020-11-22 13:06:21,076 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 24 [2020-11-22 13:06:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:21,076 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2020-11-22 13:06:21,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2020-11-22 13:06:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 13:06:21,081 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:21,081 INFO L422 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] [2020-11-22 13:06:21,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:06:21,296 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:21,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:21,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1198598115, now seen corresponding path program 1 times [2020-11-22 13:06:21,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:21,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590068587] [2020-11-22 13:06:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:21,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:21,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:21,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:21,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590068587] [2020-11-22 13:06:21,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:21,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:06:21,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555602792] [2020-11-22 13:06:21,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:06:21,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:21,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:06:21,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:06:21,530 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand 3 states. [2020-11-22 13:06:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:21,619 INFO L93 Difference]: Finished difference Result 218 states and 323 transitions. [2020-11-22 13:06:21,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:21,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-22 13:06:21,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:21,621 INFO L225 Difference]: With dead ends: 218 [2020-11-22 13:06:21,621 INFO L226 Difference]: Without dead ends: 116 [2020-11-22 13:06:21,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:06:21,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-22 13:06:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-11-22 13:06:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-22 13:06:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2020-11-22 13:06:21,638 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 27 [2020-11-22 13:06:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:21,638 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2020-11-22 13:06:21,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:06:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2020-11-22 13:06:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 13:06:21,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:21,640 INFO L422 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] [2020-11-22 13:06:21,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:06:21,847 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:21,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:21,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1576081447, now seen corresponding path program 1 times [2020-11-22 13:06:21,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:21,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547673258] [2020-11-22 13:06:21,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:22,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:22,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:22,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:22,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547673258] [2020-11-22 13:06:22,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:22,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:06:22,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691554207] [2020-11-22 13:06:22,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:06:22,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:22,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:06:22,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:06:22,108 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand 8 states. [2020-11-22 13:06:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:22,735 INFO L93 Difference]: Finished difference Result 1297 states and 1882 transitions. [2020-11-22 13:06:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 13:06:22,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-11-22 13:06:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:22,744 INFO L225 Difference]: With dead ends: 1297 [2020-11-22 13:06:22,744 INFO L226 Difference]: Without dead ends: 1189 [2020-11-22 13:06:22,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 13:06:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2020-11-22 13:06:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 282. [2020-11-22 13:06:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-22 13:06:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 396 transitions. [2020-11-22 13:06:22,816 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 396 transitions. Word has length 27 [2020-11-22 13:06:22,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:22,817 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 396 transitions. [2020-11-22 13:06:22,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:06:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 396 transitions. [2020-11-22 13:06:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-22 13:06:22,819 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:22,820 INFO L422 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] [2020-11-22 13:06:23,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:06:23,032 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:23,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:23,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1018622107, now seen corresponding path program 1 times [2020-11-22 13:06:23,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:23,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817082334] [2020-11-22 13:06:23,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/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 [2020-11-22 13:06:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:06:24,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:06:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:06:25,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:06:25,709 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:06:25,710 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:06:25,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:06:26,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:06:26 BoogieIcfgContainer [2020-11-22 13:06:26,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:06:26,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:06:26,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:06:26,046 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:06:26,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:19" (3/4) ... [2020-11-22 13:06:26,048 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:06:26,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ca8f635a-4604-41ab-a3f2-1e241bc8eb22/bin/utaipan/witness.graphml [2020-11-22 13:06:26,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:06:26,158 INFO L168 Benchmark]: Toolchain (without parser) took 10902.63 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 32.1 MB in the beginning and 26.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,159 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 31.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:26,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.05 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 46.4 MB in the end (delta: -14.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.57 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 40.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,161 INFO L168 Benchmark]: Boogie Preprocessor took 75.71 ms. Allocated memory is still 67.1 MB. Free memory was 40.6 MB in the beginning and 36.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,161 INFO L168 Benchmark]: RCFGBuilder took 3314.12 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.4 MB in the beginning and 55.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,162 INFO L168 Benchmark]: TraceAbstraction took 6615.79 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.4 MB in the beginning and 38.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,163 INFO L168 Benchmark]: Witness Printer took 110.53 ms. Allocated memory is still 98.6 MB. Free memory was 38.1 MB in the beginning and 26.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:26,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 31.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.05 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 46.4 MB in the end (delta: -14.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.57 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 40.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.71 ms. Allocated memory is still 67.1 MB. Free memory was 40.6 MB in the beginning and 36.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3314.12 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.4 MB in the beginning and 55.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6615.79 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 55.4 MB in the beginning and 38.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 110.53 ms. Allocated memory is still 98.6 MB. Free memory was 38.1 MB in the beginning and 26.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L92] int pumpRunning = 0; [L93] int systemActive = 1; [L429] int waterLevel = 1; [L430] int methaneLevelCritical = 0; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L898] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L971] int retValue_acc ; [L972] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] tmp = valid_product() [L980] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L360] int splverifierCounter ; [L361] int tmp ; [L362] int tmp___0 ; [L363] int tmp___1 ; [L364] int tmp___2 ; [L367] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L369] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L371] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] tmp = __VERIFIER_nondet_int() [L379] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L447] COND TRUE waterLevel < 2 [L448] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L387] tmp___0 = __VERIFIER_nondet_int() [L389] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L397] tmp___2 = __VERIFIER_nondet_int() [L399] COND FALSE !(\read(tmp___2)) [L405] tmp___1 = __VERIFIER_nondet_int() [L407] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L343] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L100] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1004] int tmp ; [L1005] int tmp___0 ; [L1006] int tmp___1 ; [L468] int retValue_acc ; [L471] retValue_acc = methaneLevelCritical [L472] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1010] tmp = isMethaneLevelCritical() [L1012] COND FALSE !(\read(tmp)) [L500] int retValue_acc ; [L503] retValue_acc = waterLevel [L504] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1016] tmp___0 = getWaterLevel() [L1018] COND TRUE tmp___0 == 2 [L250] int retValue_acc ; [L253] retValue_acc = pumpRunning [L254] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1020] tmp___1 = isPumpRunning() [L1022] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product64.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 236 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 860 SDtfs, 2182 SDslu, 1303 SDs, 0 SdLazy, 197 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred 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, 994 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 11044 SizeOfPredicates, 6 NumberOfNonLiveVariables, 998 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...