./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.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_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 414a1cf94d85c55960b208d82c3570ad577d615a ...................................................................................................................................... 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_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 414a1cf94d85c55960b208d82c3570ad577d615a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:36:54,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:36:54,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:36:54,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:36:54,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:36:54,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:36:54,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:36:54,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:36:54,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:36:54,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:36:54,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:36:54,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:36:54,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:36:54,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:36:54,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:36:54,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:36:54,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:36:54,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:36:54,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:36:54,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:36:54,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:36:54,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:36:54,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:36:54,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:36:54,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:36:54,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:36:54,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:36:54,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:36:54,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:36:54,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:36:54,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:36:54,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:36:54,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:36:54,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:36:54,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:36:54,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:36:54,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:36:54,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:36:54,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:36:54,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:36:54,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:36:54,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:36:54,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:36:54,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:36:54,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:36:54,938 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:36:54,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:36:54,938 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:36:54,939 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:36:54,939 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:36:54,940 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:36:54,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:36:54,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:36:54,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:36:54,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:36:54,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:36:54,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:36:54,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:36:54,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:36:54,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:36:54,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:36:54,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:36:54,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:36:54,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:36:54,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:36:54,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:36:54,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:36:54,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:36:54,943 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_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2019-12-07 20:36:55,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:36:55,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:36:55,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:36:55,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:36:55,051 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:36:55,051 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-12-07 20:36:55,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/08bbe3748/470c6258f1fa4e84bfd1010f3a876901/FLAG9f6fb2db2 [2019-12-07 20:36:55,525 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:36:55,526 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-12-07 20:36:55,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/08bbe3748/470c6258f1fa4e84bfd1010f3a876901/FLAG9f6fb2db2 [2019-12-07 20:36:55,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/08bbe3748/470c6258f1fa4e84bfd1010f3a876901 [2019-12-07 20:36:55,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:36:55,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:36:55,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:36:55,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:36:55,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:36:55,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:36:55" (1/1) ... [2019-12-07 20:36:55,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec2c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:55, skipping insertion in model container [2019-12-07 20:36:55,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:36:55" (1/1) ... [2019-12-07 20:36:55,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:36:55,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:36:55,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:36:55,820 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 20:36:55,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4876e9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:55, skipping insertion in model container [2019-12-07 20:36:55,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:36:55,821 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:36:55,823 INFO L168 Benchmark]: Toolchain (without parser) took 277.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:36:55,823 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:36:55,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:36:55,825 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 502]: 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 20:36:56,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:36:56,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:36:56,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:36:56,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:36:56,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:36:56,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:36:56,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:36:56,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:36:56,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:36:56,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:36:56,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:36:56,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:36:56,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:36:56,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:36:56,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:36:56,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:36:56,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:36:56,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:36:56,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:36:56,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:36:56,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:36:56,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:36:56,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:36:56,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:36:56,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:36:56,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:36:56,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:36:56,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:36:56,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:36:56,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:36:56,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:36:56,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:36:56,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:36:56,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:36:56,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:36:56,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:36:56,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:36:56,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:36:56,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:36:56,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:36:56,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:36:57,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:36:57,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:36:57,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:36:57,007 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:36:57,007 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:36:57,007 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:36:57,007 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:36:57,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:36:57,008 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:36:57,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:36:57,008 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:36:57,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:36:57,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:36:57,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:36:57,010 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:36:57,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:36:57,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:36:57,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:36:57,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:36:57,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:36:57,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:36:57,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:36:57,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:36:57,011 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_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2019-12-07 20:36:57,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:36:57,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:36:57,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:36:57,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:36:57,199 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:36:57,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-12-07 20:36:57,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/fcb88bcf2/687d8578242d4f2f94b6d89bd878ceb1/FLAG11aae19da [2019-12-07 20:36:57,632 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:36:57,633 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-12-07 20:36:57,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/fcb88bcf2/687d8578242d4f2f94b6d89bd878ceb1/FLAG11aae19da [2019-12-07 20:36:57,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/data/fcb88bcf2/687d8578242d4f2f94b6d89bd878ceb1 [2019-12-07 20:36:57,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:36:57,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:36:57,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:36:57,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:36:57,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:36:57,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:36:57" (1/1) ... [2019-12-07 20:36:57,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:57, skipping insertion in model container [2019-12-07 20:36:57,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:36:57" (1/1) ... [2019-12-07 20:36:57,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:36:57,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:36:57,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:36:57,958 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:36:57,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:36:58,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:36:58,021 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:36:58,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:36:58,096 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:36:58,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58 WrapperNode [2019-12-07 20:36:58,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:36:58,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:36:58,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:36:58,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:36:58,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:36:58,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:36:58,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:36:58,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:36:58,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... [2019-12-07 20:36:58,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:36:58,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:36:58,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:36:58,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:36:58,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 20:36:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:36:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:36:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:36:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:36:58,586 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:36:58,587 INFO L287 CfgBuilder]: Removed 66 assume(true) statements. [2019-12-07 20:36:58,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:36:58 BoogieIcfgContainer [2019-12-07 20:36:58,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:36:58,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:36:58,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:36:58,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:36:58,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:36:57" (1/3) ... [2019-12-07 20:36:58,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf8d50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:36:58, skipping insertion in model container [2019-12-07 20:36:58,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:36:58" (2/3) ... [2019-12-07 20:36:58,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf8d50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:36:58, skipping insertion in model container [2019-12-07 20:36:58,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:36:58" (3/3) ... [2019-12-07 20:36:58,593 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2019-12-07 20:36:58,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:36:58,605 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:36:58,613 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:36:58,629 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:36:58,629 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:36:58,629 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:36:58,629 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:36:58,629 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:36:58,629 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:36:58,629 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:36:58,630 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:36:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-12-07 20:36:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:36:58,644 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:36:58,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:36:58,645 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:36:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:36:58,649 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-12-07 20:36:58,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:36:58,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902253054] [2019-12-07 20:36:58,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 20:36:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:36:58,799 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:36:58,803 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:36:58,814 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 20:36:58,814 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:36:58,817 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 20:36:58,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902253054] [2019-12-07 20:36:58,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:36:58,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:36:58,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203565741] [2019-12-07 20:36:58,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:36:58,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:36:58,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:36:58,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:36:58,833 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-12-07 20:36:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:36:58,849 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-12-07 20:36:58,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:36:58,850 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:36:58,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:36:58,857 INFO L225 Difference]: With dead ends: 108 [2019-12-07 20:36:58,857 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 20:36:58,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:36:58,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 20:36:58,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 20:36:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 20:36:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-12-07 20:36:58,885 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-12-07 20:36:58,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:36:58,885 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-12-07 20:36:58,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:36:58,885 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-12-07 20:36:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:36:58,886 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:36:58,886 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:36:59,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:36:59,088 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:36:59,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:36:59,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-12-07 20:36:59,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:36:59,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401120823] [2019-12-07 20:36:59,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 20:36:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:36:59,323 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:36:59,325 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:36:59,337 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 20:36:59,337 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:36:59,346 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 20:36:59,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401120823] [2019-12-07 20:36:59,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:36:59,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:36:59,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382510536] [2019-12-07 20:36:59,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:36:59,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:36:59,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:36:59,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:36:59,349 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2019-12-07 20:36:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:36:59,357 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-12-07 20:36:59,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:36:59,357 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:36:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:36:59,358 INFO L225 Difference]: With dead ends: 53 [2019-12-07 20:36:59,358 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 20:36:59,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:36:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 20:36:59,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 20:36:59,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 20:36:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-12-07 20:36:59,362 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-12-07 20:36:59,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:36:59,362 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-12-07 20:36:59,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:36:59,363 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-12-07 20:36:59,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:36:59,363 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:36:59,363 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] [2019-12-07 20:36:59,564 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:36:59,565 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:36:59,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:36:59,566 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-12-07 20:36:59,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:36:59,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529809891] [2019-12-07 20:36:59,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 20:36:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:36:59,806 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:36:59,807 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:36:59,823 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 20:36:59,823 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:36:59,848 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 20:36:59,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529809891] [2019-12-07 20:36:59,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:36:59,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:36:59,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382420639] [2019-12-07 20:36:59,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:36:59,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:36:59,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:36:59,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:36:59,849 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-12-07 20:37:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:00,016 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2019-12-07 20:37:00,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:37:00,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 20:37:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:00,019 INFO L225 Difference]: With dead ends: 154 [2019-12-07 20:37:00,019 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 20:37:00,019 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:37:00,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 20:37:00,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2019-12-07 20:37:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 20:37:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2019-12-07 20:37:00,029 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2019-12-07 20:37:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:00,030 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2019-12-07 20:37:00,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:37:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2019-12-07 20:37:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:37:00,031 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:00,031 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] [2019-12-07 20:37:00,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:37:00,232 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:00,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:00,233 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2019-12-07 20:37:00,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:00,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722893644] [2019-12-07 20:37:00,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 20:37:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:00,461 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:37:00,463 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:00,468 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 20:37:00,468 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:00,471 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 20:37:00,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722893644] [2019-12-07 20:37:00,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:37:00,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:37:00,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27042519] [2019-12-07 20:37:00,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:37:00,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:00,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:37:00,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:37:00,473 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2019-12-07 20:37:00,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:00,481 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2019-12-07 20:37:00,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:37:00,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 20:37:00,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:00,482 INFO L225 Difference]: With dead ends: 95 [2019-12-07 20:37:00,482 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 20:37:00,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:37:00,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 20:37:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 20:37:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 20:37:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2019-12-07 20:37:00,489 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2019-12-07 20:37:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:00,490 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2019-12-07 20:37:00,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:37:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-12-07 20:37:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 20:37:00,491 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:00,491 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:37:00,691 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:37:00,692 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:00,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:00,693 INFO L82 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2019-12-07 20:37:00,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:00,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894862358] [2019-12-07 20:37:00,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/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 20:37:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:00,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:37:00,856 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:37:00,868 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:37:00,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894862358] [2019-12-07 20:37:00,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1720216954] [2019-12-07 20:37:00,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:37:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:00,983 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:37:00,984 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 20:37:01,009 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 20:37:01,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:37:01,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 20:37:01,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362546241] [2019-12-07 20:37:01,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:37:01,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:01,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:37:01,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:37:01,014 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2019-12-07 20:37:01,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:01,080 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-12-07 20:37:01,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:37:01,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 20:37:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:01,081 INFO L225 Difference]: With dead ends: 111 [2019-12-07 20:37:01,081 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:37:01,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 20:37:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:37:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:37:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:37:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:37:01,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 20:37:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:01,083 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:37:01,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:37:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:37:01,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:37:01,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2019-12-07 20:37:01,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:37:01,659 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L242 CegarLoopResult]: At program point L202(lines 201 220) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:01,660 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 208) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L242 CegarLoopResult]: At program point L202-2(lines 201 220) the Hoare annotation is: false [2019-12-07 20:37:01,660 INFO L246 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L242 CegarLoopResult]: At program point L202-3(lines 201 220) the Hoare annotation is: false [2019-12-07 20:37:01,660 INFO L246 CegarLoopResult]: For program point L103-1(lines 202 208) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L246 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L242 CegarLoopResult]: At program point L74(lines 1 838) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:37:01,660 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-12-07 20:37:01,660 INFO L242 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L249 CegarLoopResult]: At program point L174-1(lines 174 181) the Hoare annotation is: true [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L242 CegarLoopResult]: At program point L456-1(lines 1 838) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point L456-2(lines 456 469) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L242 CegarLoopResult]: At program point L456-3(lines 1 838) the Hoare annotation is: false [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point L456-4(lines 456 469) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L242 CegarLoopResult]: At program point L456-5(lines 1 838) the Hoare annotation is: false [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L246 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2019-12-07 20:37:01,661 INFO L242 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:01,661 INFO L242 CegarLoopResult]: At program point L209-1(lines 209 215) the Hoare annotation is: false [2019-12-07 20:37:01,662 INFO L246 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L209-2(lines 209 215) the Hoare annotation is: false [2019-12-07 20:37:01,662 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 20:37:01,662 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 20:37:01,662 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: false [2019-12-07 20:37:01,662 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:37:01,662 INFO L246 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L261(lines 256 264) 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 20:37:01,662 INFO L242 CegarLoopResult]: At program point L261-1(lines 256 264) the Hoare annotation is: false [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L261-2(lines 256 264) the Hoare annotation is: false [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L443(lines 438 446) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L443-1(lines 438 446) the Hoare annotation is: false [2019-12-07 20:37:01,662 INFO L242 CegarLoopResult]: At program point L443-2(lines 438 446) the Hoare annotation is: false [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L460-2(lines 460 466) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L460-4(lines 460 466) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:37:01,663 INFO L242 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L246 CegarLoopResult]: For program point L348-2(lines 202 208) no Hoare annotation was computed. [2019-12-07 20:37:01,663 INFO L249 CegarLoopResult]: At program point L183(lines 164 186) the Hoare annotation is: true [2019-12-07 20:37:01,663 INFO L242 CegarLoopResult]: At program point L150(lines 146 152) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:37:01,664 INFO L246 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2019-12-07 20:37:01,664 INFO L246 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-12-07 20:37:01,664 INFO L242 CegarLoopResult]: At program point L332-1(lines 332 338) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:01,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:37:01 BoogieIcfgContainer [2019-12-07 20:37:01,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:37:01,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:37:01,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:37:01,676 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:37:01,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:36:58" (3/4) ... [2019-12-07 20:37:01,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:37:01,687 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:37:01,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:37:01,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:37:01,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:37:01,689 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:37:01,689 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:37:01,689 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:37:01,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:37:01,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_46a43ed9-07bf-4f47-8ed1-218aa984c598/bin/utaipan/witness.graphml [2019-12-07 20:37:01,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:37:01,734 INFO L168 Benchmark]: Toolchain (without parser) took 4080.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -220.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:37:01,734 INFO L168 Benchmark]: CDTParser took 0.14 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 20:37:01,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:01,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:01,734 INFO L168 Benchmark]: Boogie Preprocessor took 25.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:37:01,735 INFO L168 Benchmark]: RCFGBuilder took 423.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:01,735 INFO L168 Benchmark]: TraceAbstraction took 3086.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.2 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:01,735 INFO L168 Benchmark]: Witness Printer took 56.91 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:01,736 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 443.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 423.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3086.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.2 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.91 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 244 SDtfs, 374 SDslu, 314 SDs, 0 SdLazy, 78 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 93 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1446 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1119 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 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...