./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 66b586d6027b93241761f1d47a4909c4b4135d36 ............................................................................................................................................ 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_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 66b586d6027b93241761f1d47a4909c4b4135d36 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:59:12,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:12,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:12,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:12,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:12,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:12,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:12,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:12,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:12,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:12,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:12,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:12,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:12,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:12,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:12,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:12,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:12,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:12,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:12,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:12,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:12,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:12,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:12,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:12,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:12,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:12,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:12,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:12,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:12,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:12,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:12,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:12,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:12,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:12,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:12,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:12,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:12,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:12,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:12,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:12,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:12,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:12,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:12,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:12,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:12,991 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:12,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:12,995 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:12,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:12,995 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:12,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:12,996 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:12,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:12,997 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:12,997 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:12,998 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:12,998 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:12,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:12,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:12,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:12,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:13,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:13,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:13,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:13,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:13,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:13,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:13,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:13,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:13,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:13,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:13,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:13,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:13,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:13,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:13,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:13,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:13,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:13,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:13,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:13,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:13,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:13,004 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_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b586d6027b93241761f1d47a4909c4b4135d36 [2020-11-22 12:59:13,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:13,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:13,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:13,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:13,341 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:13,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-22 12:59:13,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/e4449375d/8d5e419ee07f487b84e7552218b73076/FLAGe01933f9f [2020-11-22 12:59:13,921 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:13,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-22 12:59:13,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/e4449375d/8d5e419ee07f487b84e7552218b73076/FLAGe01933f9f [2020-11-22 12:59:14,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/e4449375d/8d5e419ee07f487b84e7552218b73076 [2020-11-22 12:59:14,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:14,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:14,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:14,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:14,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:14,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:14" (1/1) ... [2020-11-22 12:59:14,288 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 12:59:14, skipping insertion in model container [2020-11-22 12:59:14,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:14" (1/1) ... [2020-11-22 12:59:14,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:14,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:14,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:14,642 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 12:59:14,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2dccc07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:14, skipping insertion in model container [2020-11-22 12:59:14,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:14,643 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:14,645 INFO L168 Benchmark]: Toolchain (without parser) took 367.71 ms. Allocated memory is still 94.4 MB. Free memory was 62.8 MB in the beginning and 69.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:14,646 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:14,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.15 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 69.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:14,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.15 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 69.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 194]: 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 12:59:16,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:16,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:16,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:16,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:16,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:16,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:16,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:16,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:16,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:16,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:16,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:16,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:16,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:16,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:16,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:16,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:16,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:16,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:17,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:17,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:17,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:17,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:17,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:17,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:17,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:17,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:17,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:17,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:17,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:17,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:17,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:17,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:17,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:17,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:17,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:17,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:17,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:17,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:17,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:17,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:17,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:17,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:17,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:17,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:17,092 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:17,092 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:17,093 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:17,093 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:17,093 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:17,093 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:17,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:17,096 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:17,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:17,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:17,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:17,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:17,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:17,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:17,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:17,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:17,098 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:17,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:17,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:17,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:17,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:17,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:17,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:17,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:17,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:17,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:17,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:17,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:17,100 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:17,101 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:17,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:17,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:17,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:17,127 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_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b586d6027b93241761f1d47a4909c4b4135d36 [2020-11-22 12:59:17,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:17,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:17,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:17,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:17,564 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:17,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-22 12:59:17,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/0ce4b8831/d995b36f26534c80b27d86ded04b8090/FLAGbbddb54fd [2020-11-22 12:59:18,256 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:18,257 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-22 12:59:18,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/0ce4b8831/d995b36f26534c80b27d86ded04b8090/FLAGbbddb54fd [2020-11-22 12:59:18,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/data/0ce4b8831/d995b36f26534c80b27d86ded04b8090 [2020-11-22 12:59:18,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:18,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:18,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:18,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:18,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:18,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:18" (1/1) ... [2020-11-22 12:59:18,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4a9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:18, skipping insertion in model container [2020-11-22 12:59:18,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:18" (1/1) ... [2020-11-22 12:59:18,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:18,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:19,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:19,096 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:19,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:19,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:19,194 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:19,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:19,338 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:19,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19 WrapperNode [2020-11-22 12:59:19,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:19,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:19,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:19,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:19,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:19,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:19,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:19,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:19,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... [2020-11-22 12:59:19,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:19,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:19,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:19,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:19,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:21,895 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:21,895 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-22 12:59:21,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:21 BoogieIcfgContainer [2020-11-22 12:59:21,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:21,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:21,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:21,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:21,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:18" (1/3) ... [2020-11-22 12:59:21,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d23d15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:21, skipping insertion in model container [2020-11-22 12:59:21,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:19" (2/3) ... [2020-11-22 12:59:21,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d23d15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:21, skipping insertion in model container [2020-11-22 12:59:21,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:21" (3/3) ... [2020-11-22 12:59:21,904 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-11-22 12:59:21,915 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:21,919 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:21,930 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:21,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:21,952 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:21,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:21,953 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:21,953 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:21,953 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:21,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:21,953 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-11-22 12:59:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:59:21,975 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:21,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:21,976 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:21,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:21,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1934504515, now seen corresponding path program 1 times [2020-11-22 12:59:21,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:21,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435413757] [2020-11-22 12:59:21,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:22,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:22,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:22,290 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 12:59:22,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:22,300 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 12:59:22,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435413757] [2020-11-22 12:59:22,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:22,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:22,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123559259] [2020-11-22 12:59:22,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:22,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:22,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:22,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:22,325 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-11-22 12:59:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:22,365 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-22 12:59:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:22,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:59:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:22,380 INFO L225 Difference]: With dead ends: 135 [2020-11-22 12:59:22,381 INFO L226 Difference]: Without dead ends: 65 [2020-11-22 12:59:22,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:22,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-11-22 12:59:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-11-22 12:59:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-22 12:59:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-11-22 12:59:22,431 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-11-22 12:59:22,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:22,432 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-22 12:59:22,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-11-22 12:59:22,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:59:22,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:22,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:22,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:22,654 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:22,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:22,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1313705884, now seen corresponding path program 1 times [2020-11-22 12:59:22,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:22,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688045811] [2020-11-22 12:59:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:22,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:22,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:22,868 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 12:59:22,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:22,879 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 12:59:22,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688045811] [2020-11-22 12:59:22,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:22,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:22,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997571747] [2020-11-22 12:59:22,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:22,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:22,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:22,883 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2020-11-22 12:59:22,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:22,899 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-11-22 12:59:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:22,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:59:22,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:22,903 INFO L225 Difference]: With dead ends: 65 [2020-11-22 12:59:22,903 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:59:22,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:22,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:59:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:59:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:59:22,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-22 12:59:22,909 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-11-22 12:59:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:22,909 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-22 12:59:22,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-22 12:59:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:22,911 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:22,911 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] [2020-11-22 12:59:23,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:23,119 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:23,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:23,119 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-11-22 12:59:23,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:23,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826502025] [2020-11-22 12:59:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:23,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:23,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:23,304 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 12:59:23,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:23,314 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 12:59:23,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826502025] [2020-11-22 12:59:23,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:23,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:23,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255531778] [2020-11-22 12:59:23,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:23,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:23,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:23,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:23,317 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2020-11-22 12:59:23,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:23,362 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-11-22 12:59:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:23,364 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:59:23,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:23,365 INFO L225 Difference]: With dead ends: 56 [2020-11-22 12:59:23,365 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 12:59:23,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:23,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 12:59:23,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 12:59:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 12:59:23,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-11-22 12:59:23,373 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-11-22 12:59:23,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:23,374 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-11-22 12:59:23,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:23,374 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-11-22 12:59:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:59:23,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:23,375 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] [2020-11-22 12:59:23,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:23,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:23,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:23,589 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-11-22 12:59:23,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:23,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610350471] [2020-11-22 12:59:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:23,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:23,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:23,789 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 12:59:23,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:23,840 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 12:59:23,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610350471] [2020-11-22 12:59:23,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:23,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:59:23,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434741816] [2020-11-22 12:59:23,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:59:23,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:23,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:59:23,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:23,842 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2020-11-22 12:59:24,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:24,115 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2020-11-22 12:59:24,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:59:24,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-22 12:59:24,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:24,118 INFO L225 Difference]: With dead ends: 198 [2020-11-22 12:59:24,118 INFO L226 Difference]: Without dead ends: 173 [2020-11-22 12:59:24,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:59:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-22 12:59:24,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2020-11-22 12:59:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-22 12:59:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2020-11-22 12:59:24,143 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2020-11-22 12:59:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:24,144 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2020-11-22 12:59:24,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:59:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-11-22 12:59:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:59:24,146 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:24,146 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 12:59:24,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:24,363 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:24,364 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2020-11-22 12:59:24,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:24,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292517264] [2020-11-22 12:59:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:24,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:24,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:24,546 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 12:59:24,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:24,548 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 12:59:24,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292517264] [2020-11-22 12:59:24,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:24,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:59:24,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695279809] [2020-11-22 12:59:24,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:24,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:24,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:24,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:24,551 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2020-11-22 12:59:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:25,896 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2020-11-22 12:59:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:25,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 12:59:25,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:25,898 INFO L225 Difference]: With dead ends: 190 [2020-11-22 12:59:25,898 INFO L226 Difference]: Without dead ends: 124 [2020-11-22 12:59:25,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 12:59:25,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-11-22 12:59:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2020-11-22 12:59:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-22 12:59:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-11-22 12:59:25,923 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2020-11-22 12:59:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:25,924 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-11-22 12:59:25,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-11-22 12:59:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 12:59:25,931 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:25,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:26,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:26,152 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:26,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:26,153 INFO L82 PathProgramCache]: Analyzing trace with hash 972122298, now seen corresponding path program 1 times [2020-11-22 12:59:26,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:26,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302387931] [2020-11-22 12:59:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:26,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:26,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:26,380 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 12:59:26,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:26,384 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 12:59:26,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302387931] [2020-11-22 12:59:26,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:26,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:26,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295299906] [2020-11-22 12:59:26,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:26,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:26,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:26,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:26,386 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-11-22 12:59:26,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:26,403 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2020-11-22 12:59:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:26,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-22 12:59:26,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:26,405 INFO L225 Difference]: With dead ends: 176 [2020-11-22 12:59:26,405 INFO L226 Difference]: Without dead ends: 60 [2020-11-22 12:59:26,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:26,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-22 12:59:26,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-22 12:59:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 12:59:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-11-22 12:59:26,422 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2020-11-22 12:59:26,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:26,422 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-11-22 12:59:26,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-22 12:59:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-22 12:59:26,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:26,426 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-22 12:59:26,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:59:26,639 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:26,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:26,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1477751617, now seen corresponding path program 1 times [2020-11-22 12:59:26,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:26,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736859984] [2020-11-22 12:59:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/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 12:59:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:26,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:59:26,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:26,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:26,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736859984] [2020-11-22 12:59:26,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [296157197] [2020-11-22 12:59:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:27,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:27,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 12:59:27,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 12:59:27,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:59:27,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 3] total 10 [2020-11-22 12:59:27,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401353963] [2020-11-22 12:59:27,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:27,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:27,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:27,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:59:27,201 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2020-11-22 12:59:27,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:27,324 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2020-11-22 12:59:27,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:27,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-22 12:59:27,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:27,325 INFO L225 Difference]: With dead ends: 118 [2020-11-22 12:59:27,325 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:27,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:59:27,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:27,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:27,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-22 12:59:27,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:27,327 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:27,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:27,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:27,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-11-22 12:59:27,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:28,238 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:28,238 INFO L274 CegarLoopResult]: For program point L878(lines 878 891) no Hoare annotation was computed. [2020-11-22 12:59:28,238 INFO L270 CegarLoopResult]: At program point L878-1(lines 1 894) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,238 INFO L274 CegarLoopResult]: For program point L878-2(lines 878 891) no Hoare annotation was computed. [2020-11-22 12:59:28,238 INFO L270 CegarLoopResult]: At program point L878-3(lines 1 894) the Hoare annotation is: false [2020-11-22 12:59:28,239 INFO L274 CegarLoopResult]: For program point L878-4(lines 878 891) no Hoare annotation was computed. [2020-11-22 12:59:28,239 INFO L270 CegarLoopResult]: At program point L878-5(lines 1 894) the Hoare annotation is: false [2020-11-22 12:59:28,239 INFO L270 CegarLoopResult]: At program point L614(lines 613 632) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,239 INFO L274 CegarLoopResult]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2020-11-22 12:59:28,239 INFO L270 CegarLoopResult]: At program point L614-2(lines 613 632) the Hoare annotation is: false [2020-11-22 12:59:28,239 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:59:28,239 INFO L270 CegarLoopResult]: At program point L614-3(lines 613 632) the Hoare annotation is: false [2020-11-22 12:59:28,239 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:59:28,240 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:59:28,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:59:28,240 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-11-22 12:59:28,240 INFO L270 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,240 INFO L274 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-11-22 12:59:28,240 INFO L274 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-11-22 12:59:28,240 INFO L270 CegarLoopResult]: At program point L583-2(lines 614 620) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,240 INFO L270 CegarLoopResult]: At program point L716(lines 711 719) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,241 INFO L270 CegarLoopResult]: At program point L716-1(lines 711 719) the Hoare annotation is: false [2020-11-22 12:59:28,241 INFO L274 CegarLoopResult]: For program point L650(lines 650 658) no Hoare annotation was computed. [2020-11-22 12:59:28,241 INFO L270 CegarLoopResult]: At program point L716-2(lines 711 719) the Hoare annotation is: false [2020-11-22 12:59:28,241 INFO L274 CegarLoopResult]: For program point L650-1(lines 650 658) no Hoare annotation was computed. [2020-11-22 12:59:28,241 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 658) no Hoare annotation was computed. [2020-11-22 12:59:28,241 INFO L277 CegarLoopResult]: At program point L865(lines 846 868) the Hoare annotation is: true [2020-11-22 12:59:28,241 INFO L274 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-11-22 12:59:28,241 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 888) no Hoare annotation was computed. [2020-11-22 12:59:28,241 INFO L274 CegarLoopResult]: For program point L882-4(lines 882 888) no Hoare annotation was computed. [2020-11-22 12:59:28,242 INFO L270 CegarLoopResult]: At program point L833(lines 829 835) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,242 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:59:28,242 INFO L270 CegarLoopResult]: At program point L785-2(lines 785 799) the Hoare annotation is: false [2020-11-22 12:59:28,242 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,242 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-11-22 12:59:28,242 INFO L274 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-11-22 12:59:28,242 INFO L274 CegarLoopResult]: For program point L769-2(line 769) no Hoare annotation was computed. [2020-11-22 12:59:28,242 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-11-22 12:59:28,242 INFO L274 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2020-11-22 12:59:28,243 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:28,243 INFO L274 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2020-11-22 12:59:28,243 INFO L274 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-11-22 12:59:28,243 INFO L270 CegarLoopResult]: At program point L621(lines 621 627) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,243 INFO L270 CegarLoopResult]: At program point L621-1(lines 621 627) the Hoare annotation is: false [2020-11-22 12:59:28,243 INFO L274 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-11-22 12:59:28,243 INFO L270 CegarLoopResult]: At program point L621-2(lines 621 627) the Hoare annotation is: false [2020-11-22 12:59:28,243 INFO L270 CegarLoopResult]: At program point L555-1(lines 555 561) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,244 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:59:28,244 INFO L270 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,244 INFO L270 CegarLoopResult]: At program point L161-1(lines 156 164) the Hoare annotation is: false [2020-11-22 12:59:28,244 INFO L270 CegarLoopResult]: At program point L161-2(lines 156 164) the Hoare annotation is: false [2020-11-22 12:59:28,244 INFO L274 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-11-22 12:59:28,244 INFO L274 CegarLoopResult]: For program point L789-1(lines 614 620) no Hoare annotation was computed. [2020-11-22 12:59:28,244 INFO L270 CegarLoopResult]: At program point L707(lines 700 710) the Hoare annotation is: false [2020-11-22 12:59:28,244 INFO L270 CegarLoopResult]: At program point L707-1(lines 700 710) the Hoare annotation is: false [2020-11-22 12:59:28,245 INFO L270 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: false [2020-11-22 12:59:28,245 INFO L270 CegarLoopResult]: At program point L707-2(lines 700 710) the Hoare annotation is: false [2020-11-22 12:59:28,245 INFO L270 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: false [2020-11-22 12:59:28,245 INFO L274 CegarLoopResult]: For program point L575(lines 575 588) no Hoare annotation was computed. [2020-11-22 12:59:28,245 INFO L270 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: false [2020-11-22 12:59:28,245 INFO L274 CegarLoopResult]: For program point L856(lines 856 863) no Hoare annotation was computed. [2020-11-22 12:59:28,245 INFO L277 CegarLoopResult]: At program point L856-1(lines 856 863) the Hoare annotation is: true [2020-11-22 12:59:28,245 INFO L270 CegarLoopResult]: At program point L593(lines 544 594) the Hoare annotation is: false [2020-11-22 12:59:28,245 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L270 CegarLoopResult]: At program point L67(lines 1 894) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point L546(lines 545 592) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point L646(lines 646 663) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point L646-1(lines 646 663) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point L646-2(lines 646 663) no Hoare annotation was computed. [2020-11-22 12:59:28,246 INFO L274 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-11-22 12:59:28,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:28 BoogieIcfgContainer [2020-11-22 12:59:28,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:28,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:28,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:28,272 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:28,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:21" (3/4) ... [2020-11-22 12:59:28,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:59:28,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:59:28,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:59:28,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:59:28,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:59:28,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:59:28,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:28,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:28,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:59:28,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_82ecc91e-d6ea-4162-b1df-ddb88f5c0f71/bin/utaipan/witness.graphml [2020-11-22 12:59:28,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:28,392 INFO L168 Benchmark]: Toolchain (without parser) took 9836.88 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 43.1 MB in the beginning and 32.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,392 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:28,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.79 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 45.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.28 ms. Allocated memory is still 77.6 MB. Free memory was 45.5 MB in the beginning and 42.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,394 INFO L168 Benchmark]: Boogie Preprocessor took 37.75 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 40.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,394 INFO L168 Benchmark]: RCFGBuilder took 2453.48 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 40.5 MB in the beginning and 60.5 MB in the end (delta: -20.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,395 INFO L168 Benchmark]: TraceAbstraction took 6373.20 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 38.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,395 INFO L168 Benchmark]: Witness Printer took 117.89 ms. Allocated memory is still 100.7 MB. Free memory was 38.6 MB in the beginning and 32.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:28,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 781.79 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 45.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.28 ms. Allocated memory is still 77.6 MB. Free memory was 45.5 MB in the beginning and 42.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.75 ms. Allocated memory is still 77.6 MB. Free memory was 42.6 MB in the beginning and 40.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2453.48 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 40.5 MB in the beginning and 60.5 MB in the end (delta: -20.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6373.20 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 38.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 117.89 ms. Allocated memory is still 100.7 MB. Free memory was 38.6 MB in the beginning and 32.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 563 SDslu, 391 SDs, 0 SdLazy, 93 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 161 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2193 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 214 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 1 QuantifiedInterpolants, 24532 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1618 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...