./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.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_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 b803903b6771bf10a60266d9698f7c6b6489f5c7 ............................................................................................................................................ 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_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 b803903b6771bf10a60266d9698f7c6b6489f5c7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:55,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:55,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:55,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:55,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:55,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:55,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:55,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:55,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:55,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:55,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:55,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:55,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:55,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:55,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:55,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:55,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:55,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:55,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:55,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:55,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:55,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:55,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:55,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:55,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:55,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:55,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:55,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:55,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:55,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:55,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:55,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:55,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:55,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:55,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:55,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:55,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:55,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:55,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:55,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:55,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:55,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:07:55,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:55,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:55,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:55,797 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:55,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:55,798 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:55,798 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:55,798 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:55,798 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:55,799 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:55,799 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:55,799 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:55,799 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:55,799 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:55,800 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:55,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:55,801 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:55,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:55,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:55,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:55,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:55,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:55,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:55,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:55,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:55,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:55,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:55,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:55,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:55,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:55,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:55,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:55,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:55,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:55,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:55,805 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:55,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:55,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:55,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:55,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:55,806 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_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b803903b6771bf10a60266d9698f7c6b6489f5c7 [2020-11-22 13:07:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:56,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:56,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:56,081 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:56,082 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:56,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2020-11-22 13:07:56,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/91d5081df/0ff8809872194ec182f56054ca01dacc/FLAGb08cbf226 [2020-11-22 13:07:56,682 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:56,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2020-11-22 13:07:56,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/91d5081df/0ff8809872194ec182f56054ca01dacc/FLAGb08cbf226 [2020-11-22 13:07:56,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/91d5081df/0ff8809872194ec182f56054ca01dacc [2020-11-22 13:07:56,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:57,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:57,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:57,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:57,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:57,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:57,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b398c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:57, skipping insertion in model container [2020-11-22 13:07:57,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:57,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:57,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:57,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:57,428 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 13:07:57,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a1ff423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:57, skipping insertion in model container [2020-11-22 13:07:57,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:57,430 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:07:57,433 INFO L168 Benchmark]: Toolchain (without parser) took 430.70 ms. Allocated memory is still 96.5 MB. Free memory was 65.8 MB in the beginning and 72.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:57,434 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 77.6 MB. Free memory was 52.2 MB in the beginning and 52.2 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:57,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.41 ms. Allocated memory is still 96.5 MB. Free memory was 65.8 MB in the beginning and 72.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:57,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 77.6 MB. Free memory was 52.2 MB in the beginning and 52.2 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.41 ms. Allocated memory is still 96.5 MB. Free memory was 65.8 MB in the beginning and 72.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 410]: 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 13:07:59,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:59,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:59,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:59,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:59,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:59,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:59,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:59,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:59,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:59,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:59,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:59,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:59,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:59,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:59,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:59,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:59,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:59,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:59,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:59,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:59,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:59,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:59,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:59,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:59,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:59,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:59,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:59,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:59,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:59,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:59,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:59,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:59,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:59,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:59,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:59,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:59,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:59,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:59,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:59,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:59,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:07:59,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:59,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:59,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:59,794 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:59,794 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:59,794 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:59,794 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:59,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:59,795 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:59,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:59,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:59,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:59,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:59,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:59,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:59,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:59,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:59,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:07:59,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:07:59,799 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:59,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:59,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:59,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:59,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:59,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:07:59,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:59,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:59,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:59,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:59,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:59,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:59,802 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:07:59,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:07:59,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:59,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:59,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:59,803 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_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b803903b6771bf10a60266d9698f7c6b6489f5c7 [2020-11-22 13:08:00,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:00,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:00,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:00,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:00,238 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:00,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2020-11-22 13:08:00,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/90fddf491/402782c35a6e4a3d89c4b21fb370a7a5/FLAG6278ebb86 [2020-11-22 13:08:00,972 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:00,973 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2020-11-22 13:08:00,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/90fddf491/402782c35a6e4a3d89c4b21fb370a7a5/FLAG6278ebb86 [2020-11-22 13:08:01,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/data/90fddf491/402782c35a6e4a3d89c4b21fb370a7a5 [2020-11-22 13:08:01,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:01,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:01,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:01,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:01,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:01,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b317208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01, skipping insertion in model container [2020-11-22 13:08:01,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:01,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:01,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,716 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:08:01,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:01,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,794 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:01,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,925 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:01,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01 WrapperNode [2020-11-22 13:08:01,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:01,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:01,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:01,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:01,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:02,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:02,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:02,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:02,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:02,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:02,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:02,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:02,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:02,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:08:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:04,595 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:04,598 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-11-22 13:08:04,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04 BoogieIcfgContainer [2020-11-22 13:08:04,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:04,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:04,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:04,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:04,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:01" (1/3) ... [2020-11-22 13:08:04,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b905364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (2/3) ... [2020-11-22 13:08:04,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b905364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04" (3/3) ... [2020-11-22 13:08:04,611 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-11-22 13:08:04,622 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:04,626 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:08:04,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:08:04,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:04,674 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:04,674 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:04,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:04,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:04,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:04,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:04,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-11-22 13:08:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:08:04,704 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:04,704 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 13:08:04,705 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:04,711 INFO L82 PathProgramCache]: Analyzing trace with hash -2138991170, now seen corresponding path program 1 times [2020-11-22 13:08:04,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:04,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297661931] [2020-11-22 13:08:04,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:05,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:08:05,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:05,048 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 13:08:05,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:05,054 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 13:08:05,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297661931] [2020-11-22 13:08:05,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:05,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:08:05,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775394567] [2020-11-22 13:08:05,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:05,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:05,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:05,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:05,076 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2020-11-22 13:08:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:05,103 INFO L93 Difference]: Finished difference Result 165 states and 248 transitions. [2020-11-22 13:08:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:05,105 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:08:05,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:05,117 INFO L225 Difference]: With dead ends: 165 [2020-11-22 13:08:05,118 INFO L226 Difference]: Without dead ends: 80 [2020-11-22 13:08:05,123 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 13:08:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-11-22 13:08:05,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-11-22 13:08:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-22 13:08:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2020-11-22 13:08:05,165 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2020-11-22 13:08:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:05,166 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2020-11-22 13:08:05,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-11-22 13:08:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:08:05,167 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:05,168 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 13:08:05,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:05,391 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:05,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:05,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1244945373, now seen corresponding path program 1 times [2020-11-22 13:08:05,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:05,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494568913] [2020-11-22 13:08:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:05,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:05,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:05,642 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 13:08:05,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:05,660 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 13:08:05,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494568913] [2020-11-22 13:08:05,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:05,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:05,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491880289] [2020-11-22 13:08:05,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:05,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:05,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:05,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:05,663 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 4 states. [2020-11-22 13:08:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:05,684 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2020-11-22 13:08:05,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:05,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:08:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:05,685 INFO L225 Difference]: With dead ends: 80 [2020-11-22 13:08:05,686 INFO L226 Difference]: Without dead ends: 36 [2020-11-22 13:08:05,687 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 13:08:05,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-22 13:08:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-22 13:08:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-22 13:08:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2020-11-22 13:08:05,695 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2020-11-22 13:08:05,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:05,695 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2020-11-22 13:08:05,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-11-22 13:08:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:05,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:05,699 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 13:08:05,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:08:05,906 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:05,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:05,907 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2020-11-22 13:08:05,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:05,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644216912] [2020-11-22 13:08:05,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:06,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:06,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:06,257 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 13:08:06,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:06,274 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 13:08:06,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644216912] [2020-11-22 13:08:06,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:06,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:06,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044585448] [2020-11-22 13:08:06,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:06,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:06,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:06,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:06,276 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 4 states. [2020-11-22 13:08:06,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:06,321 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2020-11-22 13:08:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:06,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:08:06,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:06,323 INFO L225 Difference]: With dead ends: 66 [2020-11-22 13:08:06,324 INFO L226 Difference]: Without dead ends: 36 [2020-11-22 13:08:06,324 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 13:08:06,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-22 13:08:06,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-22 13:08:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-22 13:08:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2020-11-22 13:08:06,330 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2020-11-22 13:08:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:06,330 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2020-11-22 13:08:06,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2020-11-22 13:08:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:08:06,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:06,332 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] [2020-11-22 13:08:06,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:08:06,533 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:06,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:06,533 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2020-11-22 13:08:06,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:06,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113591167] [2020-11-22 13:08:06,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:06,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:06,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:06,821 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 13:08:06,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:06,824 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 13:08:06,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113591167] [2020-11-22 13:08:06,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:06,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:08:06,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661838945] [2020-11-22 13:08:06,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:06,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:06,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:06,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:06,827 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2020-11-22 13:08:06,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:06,895 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2020-11-22 13:08:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:06,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-22 13:08:06,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:06,897 INFO L225 Difference]: With dead ends: 89 [2020-11-22 13:08:06,897 INFO L226 Difference]: Without dead ends: 59 [2020-11-22 13:08:06,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 13:08:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-22 13:08:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-11-22 13:08:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 13:08:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-11-22 13:08:06,907 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2020-11-22 13:08:06,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:06,908 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-11-22 13:08:06,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2020-11-22 13:08:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-22 13:08:06,909 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:06,909 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, 1, 1, 1] [2020-11-22 13:08:07,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:08:07,126 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:07,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:07,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2020-11-22 13:08:07,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:07,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561516457] [2020-11-22 13:08:07,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:07,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:07,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:07,420 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 13:08:07,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:07,452 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 13:08:07,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561516457] [2020-11-22 13:08:07,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:07,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:08:07,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230407340] [2020-11-22 13:08:07,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:07,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:07,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:07,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:07,455 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2020-11-22 13:08:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:07,546 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2020-11-22 13:08:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:08:07,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-22 13:08:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:07,548 INFO L225 Difference]: With dead ends: 149 [2020-11-22 13:08:07,549 INFO L226 Difference]: Without dead ends: 98 [2020-11-22 13:08:07,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:07,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-11-22 13:08:07,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2020-11-22 13:08:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 13:08:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-11-22 13:08:07,566 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2020-11-22 13:08:07,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:07,566 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-11-22 13:08:07,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-11-22 13:08:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-22 13:08:07,572 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:07,572 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, 1, 1, 1] [2020-11-22 13:08:07,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:08:07,792 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:07,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2020-11-22 13:08:07,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:07,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922058978] [2020-11-22 13:08:07,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/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 13:08:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:08,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:08,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:08,075 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 13:08:08,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:08,131 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 13:08:08,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922058978] [2020-11-22 13:08:08,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:08,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:08:08,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756713751] [2020-11-22 13:08:08,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:08,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:08,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:08,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:08,143 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 8 states. [2020-11-22 13:08:08,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:08,704 INFO L93 Difference]: Finished difference Result 630 states and 907 transitions. [2020-11-22 13:08:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 13:08:08,704 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-11-22 13:08:08,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:08,709 INFO L225 Difference]: With dead ends: 630 [2020-11-22 13:08:08,709 INFO L226 Difference]: Without dead ends: 576 [2020-11-22 13:08:08,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 13:08:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-11-22 13:08:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2020-11-22 13:08:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-11-22 13:08:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 210 transitions. [2020-11-22 13:08:08,764 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 210 transitions. Word has length 31 [2020-11-22 13:08:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:08,765 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 210 transitions. [2020-11-22 13:08:08,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2020-11-22 13:08:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 13:08:08,770 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:08,770 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, 1, 1, 1, 1] [2020-11-22 13:08:08,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:08:08,990 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:08,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:08,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2020-11-22 13:08:08,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:08,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854665694] [2020-11-22 13:08:08,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:09,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:08:09,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:09,269 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 13:08:09,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:09,276 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 13:08:09,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854665694] [2020-11-22 13:08:09,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:09,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:08:09,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429796219] [2020-11-22 13:08:09,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:09,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:09,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:09,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:09,278 INFO L87 Difference]: Start difference. First operand 153 states and 210 transitions. Second operand 4 states. [2020-11-22 13:08:09,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:09,348 INFO L93 Difference]: Finished difference Result 374 states and 523 transitions. [2020-11-22 13:08:09,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:09,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-22 13:08:09,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:09,352 INFO L225 Difference]: With dead ends: 374 [2020-11-22 13:08:09,352 INFO L226 Difference]: Without dead ends: 273 [2020-11-22 13:08:09,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:09,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-11-22 13:08:09,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 152. [2020-11-22 13:08:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-22 13:08:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2020-11-22 13:08:09,386 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2020-11-22 13:08:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:09,386 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2020-11-22 13:08:09,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2020-11-22 13:08:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 13:08:09,387 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:09,387 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, 1, 1, 1, 1] [2020-11-22 13:08:09,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 13:08:09,610 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:09,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:09,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2020-11-22 13:08:09,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:09,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380548670] [2020-11-22 13:08:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:09,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:09,880 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 13:08:09,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:09,917 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 13:08:09,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380548670] [2020-11-22 13:08:09,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:09,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:08:09,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330467536] [2020-11-22 13:08:09,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:09,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:09,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:09,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:09,919 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 8 states. [2020-11-22 13:08:12,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:12,194 INFO L93 Difference]: Finished difference Result 388 states and 540 transitions. [2020-11-22 13:08:12,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:08:12,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-11-22 13:08:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:12,196 INFO L225 Difference]: With dead ends: 388 [2020-11-22 13:08:12,196 INFO L226 Difference]: Without dead ends: 123 [2020-11-22 13:08:12,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:08:12,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-11-22 13:08:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2020-11-22 13:08:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-22 13:08:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2020-11-22 13:08:12,217 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2020-11-22 13:08:12,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:12,218 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2020-11-22 13:08:12,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2020-11-22 13:08:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 13:08:12,219 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:12,219 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, 1, 1, 1, 1] [2020-11-22 13:08:12,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 13:08:12,427 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:12,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:12,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2020-11-22 13:08:12,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:12,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795445469] [2020-11-22 13:08:12,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:12,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:12,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:12,699 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 13:08:12,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:12,744 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 13:08:12,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795445469] [2020-11-22 13:08:12,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:12,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:08:12,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805309523] [2020-11-22 13:08:12,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:12,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:12,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:12,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:12,745 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand 8 states. [2020-11-22 13:08:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:12,821 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2020-11-22 13:08:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:12,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2020-11-22 13:08:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:12,822 INFO L225 Difference]: With dead ends: 160 [2020-11-22 13:08:12,822 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:08:12,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:08:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:08:12,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:08:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:08:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:08:12,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-11-22 13:08:12,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:12,824 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:08:12,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:08:12,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:08:13,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 13:08:13,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:08:13,156 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-11-22 13:08:13,303 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2020-11-22 13:08:13,861 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-11-22 13:08:14,143 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2020-11-22 13:08:14,404 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2020-11-22 13:08:14,739 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2020-11-22 13:08:15,090 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 16 [2020-11-22 13:08:15,266 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2020-11-22 13:08:15,479 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 23 [2020-11-22 13:08:15,580 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:15,580 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:08:15,580 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:08:15,580 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:08:15,580 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:08:15,580 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-22 13:08:15,580 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,581 INFO L270 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2020-11-22 13:08:15,581 INFO L270 CegarLoopResult]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2020-11-22 13:08:15,581 INFO L274 CegarLoopResult]: For program point L765(lines 765 778) no Hoare annotation was computed. [2020-11-22 13:08:15,581 INFO L270 CegarLoopResult]: At program point L765-1(lines 1 920) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,581 INFO L274 CegarLoopResult]: For program point L765-2(lines 765 778) no Hoare annotation was computed. [2020-11-22 13:08:15,581 INFO L270 CegarLoopResult]: At program point L765-3(lines 1 920) the Hoare annotation is: false [2020-11-22 13:08:15,581 INFO L274 CegarLoopResult]: For program point L765-4(lines 765 778) no Hoare annotation was computed. [2020-11-22 13:08:15,581 INFO L270 CegarLoopResult]: At program point L765-5(lines 1 920) the Hoare annotation is: false [2020-11-22 13:08:15,581 INFO L270 CegarLoopResult]: At program point L881(lines 872 885) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse2) (and .cse0 .cse1 .cse2 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2020-11-22 13:08:15,582 INFO L270 CegarLoopResult]: At program point L369(lines 354 372) the Hoare annotation is: (let ((.cse2 (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) .cse3 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))))) [2020-11-22 13:08:15,582 INFO L270 CegarLoopResult]: At program point L881-1(lines 872 885) the Hoare annotation is: false [2020-11-22 13:08:15,582 INFO L270 CegarLoopResult]: At program point L369-1(lines 354 372) the Hoare annotation is: false [2020-11-22 13:08:15,582 INFO L270 CegarLoopResult]: At program point L881-2(lines 872 885) the Hoare annotation is: false [2020-11-22 13:08:15,582 INFO L270 CegarLoopResult]: At program point L369-2(lines 354 372) the Hoare annotation is: false [2020-11-22 13:08:15,582 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-22 13:08:15,582 INFO L274 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-11-22 13:08:15,582 INFO L274 CegarLoopResult]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2020-11-22 13:08:15,582 INFO L274 CegarLoopResult]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2020-11-22 13:08:15,582 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:08:15,583 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-22 13:08:15,583 INFO L270 CegarLoopResult]: At program point L917(lines 912 920) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:15,583 INFO L270 CegarLoopResult]: At program point L174(lines 170 176) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:15,583 INFO L270 CegarLoopResult]: At program point L868(lines 863 871) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,583 INFO L270 CegarLoopResult]: At program point L868-1(lines 863 871) the Hoare annotation is: false [2020-11-22 13:08:15,583 INFO L270 CegarLoopResult]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2020-11-22 13:08:15,583 INFO L274 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-11-22 13:08:15,583 INFO L274 CegarLoopResult]: For program point L769-2(lines 769 775) no Hoare annotation was computed. [2020-11-22 13:08:15,583 INFO L274 CegarLoopResult]: For program point L769-4(lines 769 775) no Hoare annotation was computed. [2020-11-22 13:08:15,583 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-22 13:08:15,583 INFO L270 CegarLoopResult]: At program point L125-2(lines 125 139) the Hoare annotation is: false [2020-11-22 13:08:15,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:15,584 INFO L270 CegarLoopResult]: At program point L836(lines 831 839) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,584 INFO L270 CegarLoopResult]: At program point L836-1(lines 831 839) the Hoare annotation is: false [2020-11-22 13:08:15,584 INFO L270 CegarLoopResult]: At program point L836-2(lines 831 839) the Hoare annotation is: false [2020-11-22 13:08:15,584 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-22 13:08:15,584 INFO L277 CegarLoopResult]: At program point L209(lines 190 212) the Hoare annotation is: true [2020-11-22 13:08:15,584 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-22 13:08:15,584 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:08:15,584 INFO L274 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-11-22 13:08:15,584 INFO L274 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L788-2(line 788) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L270 CegarLoopResult]: At program point L95-2(lines 229 235) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L129(lines 129 133) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L129-1(lines 229 235) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L270 CegarLoopResult]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,585 INFO L274 CegarLoopResult]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2020-11-22 13:08:15,585 INFO L270 CegarLoopResult]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2020-11-22 13:08:15,586 INFO L270 CegarLoopResult]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L759(lines 759 779) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L759-4(lines 759 779) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L363-2(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L363-3(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L363-5(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L363-6(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L274 CegarLoopResult]: For program point L363-8(lines 363 367) no Hoare annotation was computed. [2020-11-22 13:08:15,586 INFO L270 CegarLoopResult]: At program point L314(lines 309 317) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:15,587 INFO L270 CegarLoopResult]: At program point L314-1(lines 309 317) the Hoare annotation is: false [2020-11-22 13:08:15,587 INFO L270 CegarLoopResult]: At program point L314-2(lines 309 317) the Hoare annotation is: false [2020-11-22 13:08:15,587 INFO L270 CegarLoopResult]: At program point L909(lines 1 920) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 882) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-22 13:08:15,587 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2020-11-22 13:08:15,587 INFO L274 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-11-22 13:08:15,588 INFO L274 CegarLoopResult]: For program point L200(lines 200 207) no Hoare annotation was computed. [2020-11-22 13:08:15,588 INFO L277 CegarLoopResult]: At program point L200-1(lines 200 207) the Hoare annotation is: true [2020-11-22 13:08:15,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:15 BoogieIcfgContainer [2020-11-22 13:08:15,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:15,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:15,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:15,616 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:15,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04" (3/4) ... [2020-11-22 13:08:15,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:08:15,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:08:15,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:08:15,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:08:15,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:08:15,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:08:15,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:15,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:15,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) [2020-11-22 13:08:15,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && !(2bv32 == \result)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:08:15,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && \result == 1bv32) [2020-11-22 13:08:15,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:08:15,720 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ea71aee-7820-4b9b-9bad-89e13ea5a8b5/bin/utaipan/witness.graphml [2020-11-22 13:08:15,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:15,722 INFO L168 Benchmark]: Toolchain (without parser) took 14456.46 ms. Allocated memory was 54.5 MB in the beginning and 94.4 MB in the end (delta: 39.8 MB). Free memory was 31.9 MB in the beginning and 46.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,722 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:15,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.57 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 31.6 MB in the beginning and 45.8 MB in the end (delta: -14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.83 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 42.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,723 INFO L168 Benchmark]: Boogie Preprocessor took 77.47 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 40.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,724 INFO L168 Benchmark]: RCFGBuilder took 2493.32 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 46.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,724 INFO L168 Benchmark]: TraceAbstraction took 11011.99 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 46.0 MB in the beginning and 54.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,724 INFO L168 Benchmark]: Witness Printer took 104.34 ms. Allocated memory is still 94.4 MB. Free memory was 54.0 MB in the beginning and 46.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:15,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 659.57 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 31.6 MB in the beginning and 45.8 MB in the end (delta: -14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.83 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 42.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.47 ms. Allocated memory is still 77.6 MB. Free memory was 42.8 MB in the beginning and 40.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2493.32 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 46.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11011.99 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 46.0 MB in the beginning and 54.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.1 GB. * Witness Printer took 104.34 ms. Allocated memory is still 94.4 MB. Free memory was 54.0 MB in the beginning and 46.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 863]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && !(2bv32 == \result)) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && \result == 1bv32) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && !(0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 680 SDtfs, 1076 SDslu, 1414 SDs, 0 SdLazy, 206 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=6, 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, 9 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 115 NumberOfFragments, 447 HoareAnnotationTreeSize, 34 FomulaSimplifications, 21835 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 34 FomulaSimplificationsInter, 4329 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 22792 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1860 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 correct! Received shutdown request...