./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 1ee24648c2b11ab591f00afa125ad014515f38d4 ............................................................................................................................................ 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_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 1ee24648c2b11ab591f00afa125ad014515f38d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:58:26,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:26,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:26,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:26,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:26,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:26,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:26,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:26,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:26,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:26,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:26,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:26,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:26,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:26,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:26,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:26,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:26,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:26,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:26,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:26,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:26,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:26,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:26,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:26,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:26,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:26,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:26,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:26,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:26,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:26,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:26,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:26,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:26,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:26,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:26,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:26,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:26,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:26,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:26,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:26,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:26,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:58:26,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:26,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:26,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:26,718 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:26,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:26,719 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:26,719 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:26,720 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:26,720 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:26,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:26,721 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:26,722 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:26,722 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:26,723 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:26,723 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:26,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:26,724 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:26,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:26,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:26,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:26,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:26,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:26,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:26,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:26,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:26,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:26,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:26,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:26,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:26,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:26,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:26,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:26,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:26,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:26,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:26,731 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:26,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:26,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:26,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:26,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:26,733 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_7e9b6557-a2a2-465d-b2ac-718c87499170/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2020-11-22 12:58:26,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:26,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:26,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:27,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:27,005 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:27,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-22 12:58:27,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/d91036658/597ecee81af342868e94dc3da68c2d1d/FLAG91cde34f0 [2020-11-22 12:58:27,602 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:27,603 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-22 12:58:27,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/d91036658/597ecee81af342868e94dc3da68c2d1d/FLAG91cde34f0 [2020-11-22 12:58:27,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/d91036658/597ecee81af342868e94dc3da68c2d1d [2020-11-22 12:58:27,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:27,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:27,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:27,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:27,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:27,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:27" (1/1) ... [2020-11-22 12:58:27,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eedcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:27, skipping insertion in model container [2020-11-22 12:58:27,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:27" (1/1) ... [2020-11-22 12:58:27,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:28,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:28,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:28,401 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 12:58:28,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4832fa76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:28, skipping insertion in model container [2020-11-22 12:58:28,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:28,402 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:28,404 INFO L168 Benchmark]: Toolchain (without parser) took 452.11 ms. Allocated memory is still 140.5 MB. Free memory was 112.2 MB in the beginning and 113.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:28,405 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 98.3 MB in the beginning and 98.2 MB in the end (delta: 70.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:28,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.24 ms. Allocated memory is still 140.5 MB. Free memory was 112.0 MB in the beginning and 113.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:28,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 98.3 MB in the beginning and 98.2 MB in the end (delta: 70.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.24 ms. Allocated memory is still 140.5 MB. Free memory was 112.0 MB in the beginning and 113.2 MB in the end (delta: -1.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 590]: 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 12:58:30,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:30,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:30,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:30,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:30,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:30,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:30,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:30,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:30,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:30,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:30,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:30,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:30,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:30,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:30,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:30,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:30,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:30,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:30,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:30,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:30,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:30,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:30,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:30,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:30,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:30,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:30,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:30,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:30,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:30,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:30,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:30,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:30,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:30,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:30,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:30,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:30,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:30,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:30,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:30,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:30,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:58:30,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:30,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:30,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:30,714 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:30,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:30,714 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:30,715 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:30,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:30,715 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:30,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:30,716 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:30,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:30,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:30,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:30,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:30,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:30,718 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:30,718 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:30,719 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:30,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:30,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:30,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:30,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:30,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:30,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:30,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:30,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:30,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:30,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:30,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:30,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:30,722 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:30,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:30,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:30,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:30,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:30,724 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_7e9b6557-a2a2-465d-b2ac-718c87499170/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2020-11-22 12:58:31,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:31,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:31,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:31,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:31,197 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:31,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-22 12:58:31,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/0eb701212/14a840e285964a778220860a2570f10c/FLAGa638acd71 [2020-11-22 12:58:31,817 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:31,817 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-22 12:58:31,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/0eb701212/14a840e285964a778220860a2570f10c/FLAGa638acd71 [2020-11-22 12:58:32,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/data/0eb701212/14a840e285964a778220860a2570f10c [2020-11-22 12:58:32,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:32,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:32,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:32,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:32,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:32,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbfb49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32, skipping insertion in model container [2020-11-22 12:58:32,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:32,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:32,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,697 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:58:32,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:32,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,841 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:32,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,968 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:32,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32 WrapperNode [2020-11-22 12:58:32,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:32,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:32,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:32,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:32,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:33,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:33,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:33,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:33,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:33,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:33,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:33,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:33,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:33,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:58:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:58:35,764 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:58:35,764 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-11-22 12:58:35,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:35 BoogieIcfgContainer [2020-11-22 12:58:35,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:58:35,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:58:35,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:58:35,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:58:35,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:32" (1/3) ... [2020-11-22 12:58:35,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3590f115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:35, skipping insertion in model container [2020-11-22 12:58:35,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (2/3) ... [2020-11-22 12:58:35,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3590f115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:35, skipping insertion in model container [2020-11-22 12:58:35,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:35" (3/3) ... [2020-11-22 12:58:35,774 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-11-22 12:58:35,784 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:58:35,788 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:58:35,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:58:35,821 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:58:35,821 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:58:35,821 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:58:35,821 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:58:35,821 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:58:35,822 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:58:35,822 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:58:35,822 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:58:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-22 12:58:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:58:35,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:35,843 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 12:58:35,843 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:35,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603742, now seen corresponding path program 1 times [2020-11-22 12:58:35,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:35,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850294603] [2020-11-22 12:58:35,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:36,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:58:36,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:36,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:36,112 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 12:58:36,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850294603] [2020-11-22 12:58:36,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:36,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:58:36,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873883289] [2020-11-22 12:58:36,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:58:36,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:36,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:58:36,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:58:36,132 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-11-22 12:58:36,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:36,162 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-11-22 12:58:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:58:36,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:58:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:36,173 INFO L225 Difference]: With dead ends: 238 [2020-11-22 12:58:36,173 INFO L226 Difference]: Without dead ends: 117 [2020-11-22 12:58:36,176 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 12:58:36,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-22 12:58:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-22 12:58:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-22 12:58:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-11-22 12:58:36,217 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-11-22 12:58:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:36,218 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-11-22 12:58:36,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:58:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-11-22 12:58:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:58:36,219 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:36,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:36,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,440 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:36,441 INFO L82 PathProgramCache]: Analyzing trace with hash 299902115, now seen corresponding path program 1 times [2020-11-22 12:58:36,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:36,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822863041] [2020-11-22 12:58:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:36,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:36,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:36,673 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 12:58:36,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:36,691 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 12:58:36,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822863041] [2020-11-22 12:58:36,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:36,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:58:36,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440423594] [2020-11-22 12:58:36,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:36,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:36,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:36,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:36,695 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 4 states. [2020-11-22 12:58:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:36,717 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-11-22 12:58:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:36,719 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:58:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:36,720 INFO L225 Difference]: With dead ends: 117 [2020-11-22 12:58:36,722 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 12:58:36,723 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 12:58:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 12:58:36,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 12:58:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 12:58:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-22 12:58:36,732 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-22 12:58:36,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:36,732 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-22 12:58:36,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-22 12:58:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:58:36,735 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:36,735 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 12:58:36,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,936 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:36,937 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2020-11-22 12:58:36,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:36,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424706911] [2020-11-22 12:58:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:37,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:37,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:37,136 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 12:58:37,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:37,149 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 12:58:37,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424706911] [2020-11-22 12:58:37,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:37,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:58:37,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344585188] [2020-11-22 12:58:37,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:37,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:37,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:37,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:37,152 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2020-11-22 12:58:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:37,168 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-11-22 12:58:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:37,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:58:37,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:37,175 INFO L225 Difference]: With dead ends: 91 [2020-11-22 12:58:37,175 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 12:58:37,175 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 12:58:37,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 12:58:37,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 12:58:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 12:58:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-22 12:58:37,188 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-22 12:58:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:37,189 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-22 12:58:37,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-22 12:58:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:58:37,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:37,191 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] [2020-11-22 12:58:37,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,411 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:37,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:37,411 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2020-11-22 12:58:37,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:37,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021120787] [2020-11-22 12:58:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:37,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:37,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:37,640 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 12:58:37,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:37,643 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 12:58:37,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021120787] [2020-11-22 12:58:37,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:37,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:58:37,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110076962] [2020-11-22 12:58:37,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:37,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:37,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:37,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:37,645 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-22 12:58:37,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:37,726 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-22 12:58:37,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:37,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 12:58:37,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:37,728 INFO L225 Difference]: With dead ends: 113 [2020-11-22 12:58:37,728 INFO L226 Difference]: Without dead ends: 71 [2020-11-22 12:58:37,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 12:58:37,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-22 12:58:37,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-11-22 12:58:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-22 12:58:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-11-22 12:58:37,738 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-11-22 12:58:37,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:37,739 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-11-22 12:58:37,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-11-22 12:58:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 12:58:37,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:37,740 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 12:58:37,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,941 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:37,942 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2020-11-22 12:58:37,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:37,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373634117] [2020-11-22 12:58:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:38,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:38,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:38,181 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 12:58:38,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:38,206 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 12:58:38,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373634117] [2020-11-22 12:58:38,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:38,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:58:38,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71255871] [2020-11-22 12:58:38,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:38,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:38,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:38,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:38,208 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-11-22 12:58:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:38,313 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-11-22 12:58:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:58:38,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-22 12:58:38,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:38,315 INFO L225 Difference]: With dead ends: 182 [2020-11-22 12:58:38,315 INFO L226 Difference]: Without dead ends: 120 [2020-11-22 12:58:38,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 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 12:58:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-22 12:58:38,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-11-22 12:58:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-22 12:58:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-22 12:58:38,329 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-11-22 12:58:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:38,330 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-22 12:58:38,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-22 12:58:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 12:58:38,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:38,336 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 12:58:38,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:58:38,556 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:38,557 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2020-11-22 12:58:38,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:38,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631182832] [2020-11-22 12:58:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:38,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:38,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:38,808 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 12:58:38,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:38,820 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 12:58:38,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631182832] [2020-11-22 12:58:38,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:38,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:58:38,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388813242] [2020-11-22 12:58:38,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:38,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:38,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:38,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:38,830 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-11-22 12:58:38,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:38,977 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-11-22 12:58:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:58:38,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-22 12:58:38,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:38,980 INFO L225 Difference]: With dead ends: 387 [2020-11-22 12:58:38,980 INFO L226 Difference]: Without dead ends: 319 [2020-11-22 12:58:38,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:58:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-22 12:58:39,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-11-22 12:58:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-22 12:58:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-11-22 12:58:39,013 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-11-22 12:58:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:39,013 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-11-22 12:58:39,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-11-22 12:58:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:58:39,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:39,015 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, 1] [2020-11-22 12:58:39,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:58:39,233 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:39,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:39,233 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2020-11-22 12:58:39,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:39,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784954359] [2020-11-22 12:58:39,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:39,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:39,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:39,465 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 12:58:39,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:39,474 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 12:58:39,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784954359] [2020-11-22 12:58:39,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:39,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:58:39,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787091334] [2020-11-22 12:58:39,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:39,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:39,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:39,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:39,478 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-11-22 12:58:39,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:39,668 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-11-22 12:58:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:58:39,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 12:58:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:39,671 INFO L225 Difference]: With dead ends: 506 [2020-11-22 12:58:39,671 INFO L226 Difference]: Without dead ends: 378 [2020-11-22 12:58:39,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:58:39,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-11-22 12:58:39,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-11-22 12:58:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-22 12:58:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-11-22 12:58:39,704 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-11-22 12:58:39,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:39,708 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-11-22 12:58:39,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-11-22 12:58:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:58:39,711 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:39,711 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, 1] [2020-11-22 12:58:39,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 12:58:39,928 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:39,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:39,929 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2020-11-22 12:58:39,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:39,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116972525] [2020-11-22 12:58:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:40,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:58:40,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:40,147 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 12:58:40,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:40,170 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 12:58:40,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116972525] [2020-11-22 12:58:40,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:40,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:58:40,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926493382] [2020-11-22 12:58:40,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:58:40,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:40,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:58:40,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:58:40,173 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-11-22 12:58:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:40,263 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-11-22 12:58:40,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:40,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-22 12:58:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:40,266 INFO L225 Difference]: With dead ends: 357 [2020-11-22 12:58:40,266 INFO L226 Difference]: Without dead ends: 230 [2020-11-22 12:58:40,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:58:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-11-22 12:58:40,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-11-22 12:58:40,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-22 12:58:40,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-11-22 12:58:40,287 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-11-22 12:58:40,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:40,287 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-11-22 12:58:40,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:58:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-11-22 12:58:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:58:40,290 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:40,290 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, 1] [2020-11-22 12:58:40,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 12:58:40,505 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:40,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:40,506 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2020-11-22 12:58:40,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:40,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878966166] [2020-11-22 12:58:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/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 12:58:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:40,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:40,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:40,699 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 12:58:40,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:40,711 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 12:58:40,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878966166] [2020-11-22 12:58:40,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:40,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:58:40,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725074184] [2020-11-22 12:58:40,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:40,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:40,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:40,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:40,713 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 4 states. [2020-11-22 12:58:40,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:40,810 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2020-11-22 12:58:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:58:40,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-22 12:58:40,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:40,813 INFO L225 Difference]: With dead ends: 434 [2020-11-22 12:58:40,813 INFO L226 Difference]: Without dead ends: 299 [2020-11-22 12:58:40,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 12:58:40,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-11-22 12:58:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 247. [2020-11-22 12:58:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-11-22 12:58:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 330 transitions. [2020-11-22 12:58:40,842 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 330 transitions. Word has length 33 [2020-11-22 12:58:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:40,842 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 330 transitions. [2020-11-22 12:58:40,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 330 transitions. [2020-11-22 12:58:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 12:58:40,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:40,843 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, 1, 1] [2020-11-22 12:58:41,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 12:58:41,057 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:41,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:41,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2020-11-22 12:58:41,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:41,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232226400] [2020-11-22 12:58:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:41,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:41,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:41,278 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 12:58:41,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:41,282 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 12:58:41,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232226400] [2020-11-22 12:58:41,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:41,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:58:41,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998998199] [2020-11-22 12:58:41,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:41,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:41,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:41,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:41,305 INFO L87 Difference]: Start difference. First operand 247 states and 330 transitions. Second operand 3 states. [2020-11-22 12:58:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:41,383 INFO L93 Difference]: Finished difference Result 423 states and 564 transitions. [2020-11-22 12:58:41,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:41,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-22 12:58:41,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:41,386 INFO L225 Difference]: With dead ends: 423 [2020-11-22 12:58:41,386 INFO L226 Difference]: Without dead ends: 421 [2020-11-22 12:58:41,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 12:58:41,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-22 12:58:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 316. [2020-11-22 12:58:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-22 12:58:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2020-11-22 12:58:41,426 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 34 [2020-11-22 12:58:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:41,426 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2020-11-22 12:58:41,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2020-11-22 12:58:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 12:58:41,427 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:41,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:41,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 12:58:41,642 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:41,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1447506227, now seen corresponding path program 1 times [2020-11-22 12:58:41,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:41,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968163808] [2020-11-22 12:58:41,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:41,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:41,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:41,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:41,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968163808] [2020-11-22 12:58:41,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:41,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:58:41,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742338508] [2020-11-22 12:58:41,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:41,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:41,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:41,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:41,894 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 4 states. [2020-11-22 12:58:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:44,626 INFO L93 Difference]: Finished difference Result 580 states and 800 transitions. [2020-11-22 12:58:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:44,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-11-22 12:58:44,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:44,630 INFO L225 Difference]: With dead ends: 580 [2020-11-22 12:58:44,630 INFO L226 Difference]: Without dead ends: 271 [2020-11-22 12:58:44,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 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 12:58:44,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-11-22 12:58:44,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2020-11-22 12:58:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-11-22 12:58:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 357 transitions. [2020-11-22 12:58:44,668 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 357 transitions. Word has length 58 [2020-11-22 12:58:44,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:44,669 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 357 transitions. [2020-11-22 12:58:44,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 357 transitions. [2020-11-22 12:58:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 12:58:44,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:44,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:44,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 12:58:44,884 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:44,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:44,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1936924503, now seen corresponding path program 1 times [2020-11-22 12:58:44,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:44,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052781056] [2020-11-22 12:58:44,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:45,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:45,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 12:58:45,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-22 12:58:45,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052781056] [2020-11-22 12:58:45,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:45,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:58:45,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906467992] [2020-11-22 12:58:45,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:58:45,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:45,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:58:45,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:58:45,168 INFO L87 Difference]: Start difference. First operand 271 states and 357 transitions. Second operand 8 states. [2020-11-22 12:58:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:45,305 INFO L93 Difference]: Finished difference Result 855 states and 1127 transitions. [2020-11-22 12:58:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:58:45,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-11-22 12:58:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:45,309 INFO L225 Difference]: With dead ends: 855 [2020-11-22 12:58:45,310 INFO L226 Difference]: Without dead ends: 591 [2020-11-22 12:58:45,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:58:45,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-11-22 12:58:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 283. [2020-11-22 12:58:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-22 12:58:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2020-11-22 12:58:45,346 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 58 [2020-11-22 12:58:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:45,346 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2020-11-22 12:58:45,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:58:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2020-11-22 12:58:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 12:58:45,348 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:45,348 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:45,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 12:58:45,562 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1678759065, now seen corresponding path program 1 times [2020-11-22 12:58:45,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:45,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78539475] [2020-11-22 12:58:45,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:45,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:58:45,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-22 12:58:45,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:45,888 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 12:58:45,888 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:58:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:58:45,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78539475] [2020-11-22 12:58:45,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1718726710] [2020-11-22 12:58:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:58:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:46,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-22 12:58:46,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:58:46,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:46,314 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 12:58:46,315 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:58:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:58:46,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266791870] [2020-11-22 12:58:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 12:58:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:46,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:58:46,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:58:46,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:46,517 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 12:58:46,517 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:58:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:58:46,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 12:58:46,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5, 5] total 8 [2020-11-22 12:58:46,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748790621] [2020-11-22 12:58:46,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:58:46,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:46,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:58:46,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:58:46,536 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand 9 states. [2020-11-22 12:58:46,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:46,878 INFO L93 Difference]: Finished difference Result 655 states and 858 transitions. [2020-11-22 12:58:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:58:46,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-11-22 12:58:46,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:46,879 INFO L225 Difference]: With dead ends: 655 [2020-11-22 12:58:46,879 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:58:46,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:58:46,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:58:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:58:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:58:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:58:46,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-22 12:58:46,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:46,881 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:58:46,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:58:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:58:46,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:58:47,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:58:47,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:58:47,825 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 111 [2020-11-22 12:58:48,012 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 114 [2020-11-22 12:58:48,158 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 114 [2020-11-22 12:58:48,277 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2020-11-22 12:58:48,654 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 113 [2020-11-22 12:58:48,846 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 108 [2020-11-22 12:58:49,035 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 114 [2020-11-22 12:58:49,877 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2020-11-22 12:58:50,482 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2020-11-22 12:58:50,987 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2020-11-22 12:58:51,513 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 33 [2020-11-22 12:58:51,626 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-11-22 12:58:51,850 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2020-11-22 12:58:52,342 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2020-11-22 12:58:52,677 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 25 [2020-11-22 12:58:53,173 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,179 INFO L274 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-11-22 12:58:53,180 INFO L274 CegarLoopResult]: For program point L932-2(line 932) no Hoare annotation was computed. [2020-11-22 12:58:53,181 INFO L274 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-11-22 12:58:53,181 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2020-11-22 12:58:53,181 INFO L274 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2020-11-22 12:58:53,181 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2020-11-22 12:58:53,182 INFO L274 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2020-11-22 12:58:53,182 INFO L274 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2020-11-22 12:58:53,182 INFO L274 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse2))) [2020-11-22 12:58:53,183 INFO L274 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32)))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse2) (and .cse4 .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse5 .cse6 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse3 .cse2))) [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2020-11-22 12:58:53,183 INFO L270 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2020-11-22 12:58:53,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L242(lines 233 246) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse2))) [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L270 CegarLoopResult]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2020-11-22 12:58:53,184 INFO L274 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-11-22 12:58:53,184 INFO L274 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2020-11-22 12:58:53,184 INFO L274 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2020-11-22 12:58:53,184 INFO L274 CegarLoopResult]: For program point L309(lines 308 353) no Hoare annotation was computed. [2020-11-22 12:58:53,184 INFO L274 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2020-11-22 12:58:53,184 INFO L274 CegarLoopResult]: For program point L276(lines 276 293) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L270 CegarLoopResult]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4))) [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L270 CegarLoopResult]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L270 CegarLoopResult]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L274 CegarLoopResult]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2020-11-22 12:58:53,185 INFO L270 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse2) (and .cse0 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2020-11-22 12:58:53,185 INFO L270 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2020-11-22 12:58:53,186 INFO L270 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L280(lines 280 290) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:58:53,186 INFO L270 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse4))) [2020-11-22 12:58:53,186 INFO L270 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2020-11-22 12:58:53,186 INFO L270 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2020-11-22 12:58:53,186 INFO L274 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L270 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4))) [2020-11-22 12:58:53,187 INFO L270 CegarLoopResult]: At program point L252(lines 247 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:53,187 INFO L270 CegarLoopResult]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2020-11-22 12:58:53,187 INFO L270 CegarLoopResult]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2020-11-22 12:58:53,187 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L274 CegarLoopResult]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2020-11-22 12:58:53,187 INFO L270 CegarLoopResult]: At program point L354(lines 307 355) the Hoare annotation is: false [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point L160(lines 160 164) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2020-11-22 12:58:53,188 INFO L270 CegarLoopResult]: At program point L557(lines 542 560) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:53,188 INFO L270 CegarLoopResult]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2020-11-22 12:58:53,188 INFO L270 CegarLoopResult]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2020-11-22 12:58:53,188 INFO L274 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-11-22 12:58:53,190 INFO L270 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse1))) [2020-11-22 12:58:53,190 INFO L270 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 .cse2))) [2020-11-22 12:58:53,191 INFO L270 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2020-11-22 12:58:53,191 INFO L270 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-11-22 12:58:53,191 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:58:53,191 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:53,191 INFO L274 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-11-22 12:58:53,191 INFO L274 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2020-11-22 12:58:53,191 INFO L274 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2020-11-22 12:58:53,191 INFO L270 CegarLoopResult]: At program point L265(lines 260 267) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:53,192 INFO L270 CegarLoopResult]: At program point L959(lines 1 970) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:53,192 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-22 12:58:53,192 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-22 12:58:53,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:58:53 BoogieIcfgContainer [2020-11-22 12:58:53,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:58:53,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:58:53,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:58:53,241 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:58:53,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:35" (3/4) ... [2020-11-22 12:58:53,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:58:53,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:58:53,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:58:53,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:58:53,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:58:53,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:58:53,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:53,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:53,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 12:58:53,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:58:53,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 12:58:53,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 12:58:53,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 12:58:53,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 12:58:53,384 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7e9b6557-a2a2-465d-b2ac-718c87499170/bin/utaipan/witness.graphml [2020-11-22 12:58:53,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:58:53,386 INFO L168 Benchmark]: Toolchain (without parser) took 21225.86 ms. Allocated memory was 50.3 MB in the beginning and 130.0 MB in the end (delta: 79.7 MB). Free memory was 26.2 MB in the beginning and 49.2 MB in the end (delta: -22.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,386 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:53,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.08 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 40.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.48 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 36.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,387 INFO L168 Benchmark]: Boogie Preprocessor took 48.23 ms. Allocated memory is still 60.8 MB. Free memory was 36.4 MB in the beginning and 33.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,388 INFO L168 Benchmark]: RCFGBuilder took 2682.15 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 51.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,388 INFO L168 Benchmark]: TraceAbstraction took 17472.24 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 50.7 MB in the beginning and 59.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,389 INFO L168 Benchmark]: Witness Printer took 144.20 ms. Allocated memory is still 130.0 MB. Free memory was 59.6 MB in the beginning and 49.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 806.08 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 40.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.48 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 36.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.23 ms. Allocated memory is still 60.8 MB. Free memory was 36.4 MB in the beginning and 33.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2682.15 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 51.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17472.24 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 50.7 MB in the beginning and 59.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. * Witness Printer took 144.20 ms. Allocated memory is still 130.0 MB. Free memory was 59.6 MB in the beginning and 49.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1257 SDtfs, 1572 SDslu, 2219 SDs, 0 SdLazy, 249 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1142 GetRequests, 1088 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 169 NumberOfFragments, 780 HoareAnnotationTreeSize, 43 FomulaSimplifications, 670055 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 61701 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1118 ConstructedInterpolants, 1 QuantifiedInterpolants, 135646 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3312 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 148/184 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...