./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cad73398e0cf8deb8923c0d0bd284c41454d0d9c ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cad73398e0cf8deb8923c0d0bd284c41454d0d9c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:45:42,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:45:42,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:45:42,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:45:42,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:45:42,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:45:42,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:45:42,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:45:42,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:45:42,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:45:42,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:45:42,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:45:42,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:45:42,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:45:42,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:45:42,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:45:42,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:45:42,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:45:42,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:45:42,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:45:42,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:45:42,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:45:42,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:45:42,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:45:42,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:45:42,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:45:42,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:45:42,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:45:42,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:45:42,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:45:42,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:45:42,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:45:42,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:45:42,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:45:42,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:45:42,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:45:42,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:45:42,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:45:42,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:45:42,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:45:42,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:45:42,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:45:42,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:45:42,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:45:42,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:45:42,946 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:45:42,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:45:42,946 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:45:42,946 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:45:42,946 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:45:42,946 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:45:42,946 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:45:42,947 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:45:42,947 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:45:42,947 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:45:42,947 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:45:42,947 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:45:42,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:45:42,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:45:42,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:45:42,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:45:42,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:45:42,950 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2019-12-07 20:45:43,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:45:43,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:45:43,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:45:43,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:45:43,059 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:45:43,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2019-12-07 20:45:43,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/a2683f5aa/0e4747bdfcf8455ca704e672f1550574/FLAG377b13a3a [2019-12-07 20:45:43,497 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:45:43,497 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2019-12-07 20:45:43,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/a2683f5aa/0e4747bdfcf8455ca704e672f1550574/FLAG377b13a3a [2019-12-07 20:45:43,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/a2683f5aa/0e4747bdfcf8455ca704e672f1550574 [2019-12-07 20:45:43,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:45:43,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:45:43,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:43,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:45:43,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:45:43,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43, skipping insertion in model container [2019-12-07 20:45:43,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:43" (1/1) ... [2019-12-07 20:45:43,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:45:43,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:45:43,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:43,793 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:45:43,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53a5ac62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:43, skipping insertion in model container [2019-12-07 20:45:43,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:43,794 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:45:43,796 INFO L168 Benchmark]: Toolchain (without parser) took 278.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:43,796 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:43,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:43,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 353]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:45:44,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:45:44,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:45:44,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:45:44,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:45:44,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:45:44,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:45:44,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:45:44,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:45:44,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:45:44,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:45:44,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:45:44,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:45:44,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:45:44,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:45:44,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:45:44,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:45:44,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:45:44,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:45:44,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:45:44,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:45:44,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:45:44,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:45:44,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:45:44,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:45:44,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:45:44,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:45:44,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:45:44,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:45:44,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:45:44,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:45:44,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:45:44,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:45:44,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:45:44,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:45:44,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:45:44,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:45:44,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:45:44,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:45:44,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:45:44,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:45:44,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:45:44,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:45:44,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:45:44,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:45:44,976 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:45:44,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:45:44,976 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:45:44,976 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:45:44,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:45:44,977 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:45:44,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:45:44,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:45:44,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:45:44,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:45:44,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:45:44,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:45:44,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:45:44,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:45:44,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:45:44,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:45:44,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:45:44,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:45:44,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:45:44,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:45:44,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:45:44,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:45:44,980 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:45:44,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:45:44,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:45:44,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:45:44,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:45:44,981 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2019-12-07 20:45:45,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:45:45,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:45:45,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:45:45,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:45:45,167 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:45:45,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2019-12-07 20:45:45,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/d1cc7ea97/991ee25ff9f44aac9fd143bcfd6f2fe9/FLAGa5ee3ca41 [2019-12-07 20:45:45,627 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:45:45,628 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2019-12-07 20:45:45,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/d1cc7ea97/991ee25ff9f44aac9fd143bcfd6f2fe9/FLAGa5ee3ca41 [2019-12-07 20:45:45,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/data/d1cc7ea97/991ee25ff9f44aac9fd143bcfd6f2fe9 [2019-12-07 20:45:46,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:45:46,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:45:46,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:46,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:45:46,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:45:46,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46, skipping insertion in model container [2019-12-07 20:45:46,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:45:46,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:45:46,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:46,292 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:45:46,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:45:46,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:46,339 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:45:46,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:45:46,398 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:45:46,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46 WrapperNode [2019-12-07 20:45:46,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:45:46,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:45:46,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:45:46,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:45:46,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:45:46,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:45:46,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:45:46,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:45:46,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... [2019-12-07 20:45:46,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:45:46,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:45:46,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:45:46,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:45:46,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:45:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:45:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:45:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:45:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:45:46,991 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:45:46,991 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-12-07 20:45:46,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:45:46 BoogieIcfgContainer [2019-12-07 20:45:46,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:45:46,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:45:46,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:45:46,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:45:46,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:45:46" (1/3) ... [2019-12-07 20:45:46,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654fbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:45:46, skipping insertion in model container [2019-12-07 20:45:46,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:45:46" (2/3) ... [2019-12-07 20:45:46,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654fbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:45:46, skipping insertion in model container [2019-12-07 20:45:46,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:45:46" (3/3) ... [2019-12-07 20:45:46,998 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2019-12-07 20:45:47,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:45:47,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:45:47,019 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:45:47,037 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:45:47,038 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:45:47,038 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:45:47,038 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:45:47,038 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:45:47,038 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:45:47,038 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:45:47,038 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:45:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 20:45:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:45:47,056 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:47,057 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:47,057 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:47,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:47,061 INFO L82 PathProgramCache]: Analyzing trace with hash 936723076, now seen corresponding path program 1 times [2019-12-07 20:45:47,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:47,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441059980] [2019-12-07 20:45:47,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:47,207 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:45:47,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:47,221 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:47,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441059980] [2019-12-07 20:45:47,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:47,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:45:47,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756047395] [2019-12-07 20:45:47,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:45:47,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:47,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:45:47,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:45:47,239 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 20:45:47,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:47,260 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2019-12-07 20:45:47,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:45:47,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 20:45:47,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:47,270 INFO L225 Difference]: With dead ends: 215 [2019-12-07 20:45:47,270 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 20:45:47,273 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:45:47,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 20:45:47,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 20:45:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 20:45:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2019-12-07 20:45:47,304 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2019-12-07 20:45:47,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:47,304 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2019-12-07 20:45:47,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:45:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2019-12-07 20:45:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:45:47,305 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:47,305 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:47,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:45:47,506 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 717887107, now seen corresponding path program 1 times [2019-12-07 20:45:47,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:47,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396134428] [2019-12-07 20:45:47,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:47,618 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:45:47,620 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:47,634 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:47,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396134428] [2019-12-07 20:45:47,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:47,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:45:47,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196192856] [2019-12-07 20:45:47,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:45:47,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:47,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:45:47,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:47,645 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 4 states. [2019-12-07 20:45:47,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:47,659 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2019-12-07 20:45:47,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:45:47,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:45:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:47,661 INFO L225 Difference]: With dead ends: 107 [2019-12-07 20:45:47,661 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 20:45:47,662 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:47,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 20:45:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 20:45:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 20:45:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 20:45:47,668 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-12-07 20:45:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:47,669 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 20:45:47,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:45:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 20:45:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:45:47,670 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:47,670 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:47,871 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:45:47,872 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:47,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:47,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2019-12-07 20:45:47,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:47,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901502644] [2019-12-07 20:45:47,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:48,018 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:45:48,019 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:48,028 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:48,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901502644] [2019-12-07 20:45:48,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:48,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:45:48,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010804655] [2019-12-07 20:45:48,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:45:48,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:48,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:45:48,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:48,037 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 4 states. [2019-12-07 20:45:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:48,094 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 20:45:48,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:45:48,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:45:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:48,096 INFO L225 Difference]: With dead ends: 151 [2019-12-07 20:45:48,096 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 20:45:48,097 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:45:48,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 20:45:48,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2019-12-07 20:45:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 20:45:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2019-12-07 20:45:48,108 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2019-12-07 20:45:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:48,108 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2019-12-07 20:45:48,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:45:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2019-12-07 20:45:48,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:45:48,110 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:48,110 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:48,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:45:48,311 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:48,311 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2019-12-07 20:45:48,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:48,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533670853] [2019-12-07 20:45:48,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:48,407 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:45:48,409 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:48,425 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:48,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533670853] [2019-12-07 20:45:48,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:48,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:45:48,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145830380] [2019-12-07 20:45:48,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:45:48,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:48,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:45:48,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:45:48,434 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2019-12-07 20:45:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:48,541 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2019-12-07 20:45:48,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:45:48,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 20:45:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:48,544 INFO L225 Difference]: With dead ends: 314 [2019-12-07 20:45:48,544 INFO L226 Difference]: Without dead ends: 254 [2019-12-07 20:45:48,544 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:45:48,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-07 20:45:48,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2019-12-07 20:45:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 20:45:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-12-07 20:45:48,558 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2019-12-07 20:45:48,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:48,558 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-12-07 20:45:48,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:45:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-12-07 20:45:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 20:45:48,560 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:45:48,560 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:45:48,760 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:45:48,761 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:45:48,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:45:48,761 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2019-12-07 20:45:48,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:45:48,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111499414] [2019-12-07 20:45:48,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:45:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:45:48,882 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:45:48,884 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:45:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:48,896 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:45:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:45:48,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111499414] [2019-12-07 20:45:48,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:45:48,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:45:48,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932224637] [2019-12-07 20:45:48,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:45:48,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:45:48,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:45:48,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:45:48,901 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2019-12-07 20:45:48,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:45:48,992 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2019-12-07 20:45:48,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:45:48,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 20:45:48,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:45:48,993 INFO L225 Difference]: With dead ends: 315 [2019-12-07 20:45:48,993 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:45:48,995 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:45:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:45:48,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:45:48,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:45:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:45:48,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-12-07 20:45:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:45:48,996 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:45:48,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:45:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:45:48,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:45:49,197 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:45:49,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:45:49,456 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2019-12-07 20:45:49,456 INFO L246 CegarLoopResult]: For program point L267(lines 266 315) no Hoare annotation was computed. [2019-12-07 20:45:49,456 INFO L242 CegarLoopResult]: At program point L961(lines 956 964) the Hoare annotation is: false [2019-12-07 20:45:49,456 INFO L242 CegarLoopResult]: At program point L961-1(lines 956 964) the Hoare annotation is: false [2019-12-07 20:45:49,456 INFO L246 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-12-07 20:45:49,456 INFO L242 CegarLoopResult]: At program point L961-2(lines 956 964) the Hoare annotation is: false [2019-12-07 20:45:49,456 INFO L242 CegarLoopResult]: At program point L961-3(lines 956 964) the Hoare annotation is: false [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L961-4(lines 956 964) the Hoare annotation is: false [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L961-5(lines 956 964) the Hoare annotation is: false [2019-12-07 20:45:49,457 INFO L246 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L170(lines 165 173) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L170-1(lines 165 173) the Hoare annotation is: false [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L170-2(lines 165 173) the Hoare annotation is: false [2019-12-07 20:45:49,457 INFO L246 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L304-1(lines 59 65) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,457 INFO L242 CegarLoopResult]: At program point L834(lines 829 836) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:49,457 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2019-12-07 20:45:49,457 INFO L246 CegarLoopResult]: For program point L276(lines 276 282) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L242 CegarLoopResult]: At program point L276-1(lines 276 282) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L871-1(line 871) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L871-2(line 871) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L242 CegarLoopResult]: At program point L740-2(lines 740 754) the Hoare annotation is: false [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L907(lines 907 911) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L744-1(lines 59 65) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L242 CegarLoopResult]: At program point L316(lines 265 317) the Hoare annotation is: false [2019-12-07 20:45:49,458 INFO L246 CegarLoopResult]: For program point L845(lines 845 862) no Hoare annotation was computed. [2019-12-07 20:45:49,458 INFO L242 CegarLoopResult]: At program point L845-1(lines 1 964) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L845-2(lines 845 862) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L242 CegarLoopResult]: At program point L845-3(lines 1 964) the Hoare annotation is: false [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L845-4(lines 845 862) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L242 CegarLoopResult]: At program point L845-5(lines 1 964) the Hoare annotation is: false [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L249 CegarLoopResult]: At program point L813-1(lines 813 820) the Hoare annotation is: true [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-3(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-5(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-6(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-8(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-9(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,459 INFO L246 CegarLoopResult]: For program point L219-11(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L219-12(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L219-14(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L219-15(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L219-17(lines 219 223) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L242 CegarLoopResult]: At program point L286-1(lines 286 292) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L242 CegarLoopResult]: At program point L716(lines 1 964) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L849(lines 849 859) no Hoare annotation was computed. [2019-12-07 20:45:49,460 INFO L246 CegarLoopResult]: For program point L849-2(lines 849 859) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L849-4(lines 849 859) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2019-12-07 20:45:49,461 INFO L246 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,462 INFO L246 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L225(lines 210 228) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L225-1(lines 210 228) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L225-2(lines 210 228) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L225-3(lines 210 228) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L225-4(lines 210 228) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L242 CegarLoopResult]: At program point L225-5(lines 210 228) the Hoare annotation is: false [2019-12-07 20:45:49,462 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L920(lines 915 923) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L920-1(lines 915 923) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L920-2(lines 915 923) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L920-3(lines 915 923) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L788(lines 784 790) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L920-4(lines 915 923) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L920-5(lines 915 923) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L161(lines 154 164) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L161-1(lines 154 164) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L246 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-12-07 20:45:49,463 INFO L242 CegarLoopResult]: At program point L161-2(lines 154 164) the Hoare annotation is: false [2019-12-07 20:45:49,463 INFO L246 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L249 CegarLoopResult]: At program point L822(lines 803 825) the Hoare annotation is: true [2019-12-07 20:45:49,464 INFO L242 CegarLoopResult]: At program point L724(lines 719 727) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2019-12-07 20:45:49,464 INFO L242 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,464 INFO L242 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2019-12-07 20:45:49,464 INFO L242 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2019-12-07 20:45:49,465 INFO L246 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-12-07 20:45:49,465 INFO L242 CegarLoopResult]: At program point L233-1(lines 233 239) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:45:49,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:45:49 BoogieIcfgContainer [2019-12-07 20:45:49,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:45:49,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:45:49,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:45:49,479 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:45:49,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:45:46" (3/4) ... [2019-12-07 20:45:49,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:45:49,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:45:49,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:45:49,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:45:49,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:45:49,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:45:49,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:45:49,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:45:49,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:45:49,558 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b36c5600-a6db-4a48-9745-e52aea302480/bin/utaipan/witness.graphml [2019-12-07 20:45:49,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:45:49,560 INFO L168 Benchmark]: Toolchain (without parser) took 3554.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -217.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:49,560 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:49,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:49,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:49,560 INFO L168 Benchmark]: Boogie Preprocessor took 31.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:45:49,561 INFO L168 Benchmark]: RCFGBuilder took 517.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:49,561 INFO L168 Benchmark]: TraceAbstraction took 2485.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -179.9 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:49,561 INFO L168 Benchmark]: Witness Printer took 79.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:45:49,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 517.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2485.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -179.9 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 871]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 871]: 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: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 451 SDtfs, 495 SDslu, 523 SDs, 0 SdLazy, 73 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 146 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 8284 SizeOfPredicates, 8 NumberOfNonLiveVariables, 923 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...