./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.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_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 51c3bbda42df3e7a563a36af727e140b310abe72 ...................................................................................................................................... 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_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 51c3bbda42df3e7a563a36af727e140b310abe72 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:37:13,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:37:13,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:37:13,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:37:13,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:37:13,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:37:13,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:37:13,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:37:13,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:37:13,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:37:13,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:37:13,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:37:13,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:37:13,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:37:13,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:37:13,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:37:13,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:37:13,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:37:13,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:37:13,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:37:13,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:37:13,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:37:13,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:37:13,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:37:13,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:37:13,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:37:13,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:37:13,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:37:13,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:37:13,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:37:13,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:37:13,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:37:13,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:37:13,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:37:13,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:37:13,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:37:13,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:37:13,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:37:13,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:37:13,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:37:13,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:37:13,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:37:13,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:37:13,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:37:13,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:37:13,904 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:37:13,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:37:13,904 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:37:13,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:37:13,904 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:37:13,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:37:13,905 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:37:13,905 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:37:13,905 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:37:13,905 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:37:13,906 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:37:13,906 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:37:13,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:37:13,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:37:13,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:37:13,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:37:13,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:37:13,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:37:13,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:37:13,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:37:13,908 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:37:13,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:37:13,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:37:13,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:37:13,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:37:13,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:37:13,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:37:13,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:37:13,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:37:13,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:37:13,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:37:13,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:37:13,910 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:37:13,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:37:13,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:37:13,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:37:13,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:37:13,910 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_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-12-07 20:37:14,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:37:14,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:37:14,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:37:14,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:37:14,031 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:37:14,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-12-07 20:37:14,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/1e14dc5b4/b6fd1ad6227d4173a9989b9b495a7182/FLAGac231375d [2019-12-07 20:37:14,420 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:37:14,421 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-12-07 20:37:14,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/1e14dc5b4/b6fd1ad6227d4173a9989b9b495a7182/FLAGac231375d [2019-12-07 20:37:14,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/1e14dc5b4/b6fd1ad6227d4173a9989b9b495a7182 [2019-12-07 20:37:14,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:37:14,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:37:14,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:37:14,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:37:14,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:37:14,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:37:14" (1/1) ... [2019-12-07 20:37:14,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7b5f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:14, skipping insertion in model container [2019-12-07 20:37:14,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:37:14" (1/1) ... [2019-12-07 20:37:14,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:37:14,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:37:14,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:37:14,707 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 20:37:14,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20a62b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:14, skipping insertion in model container [2019-12-07 20:37:14,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:37:14,708 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:37:14,710 INFO L168 Benchmark]: Toolchain (without parser) took 268.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:14,710 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:37:14,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:14,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 20:37:15,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:37:15,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:37:15,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:37:15,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:37:15,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:37:15,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:37:15,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:37:15,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:37:15,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:37:15,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:37:15,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:37:15,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:37:15,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:37:15,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:37:15,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:37:15,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:37:15,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:37:15,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:37:15,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:37:15,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:37:15,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:37:15,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:37:15,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:37:15,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:37:15,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:37:15,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:37:15,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:37:15,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:37:15,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:37:15,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:37:15,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:37:15,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:37:15,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:37:15,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:37:15,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:37:15,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:37:15,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:37:15,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:37:15,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:37:15,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:37:15,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:37:15,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:37:15,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:37:15,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:37:15,879 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:37:15,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:37:15,879 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:37:15,879 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:37:15,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:37:15,880 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:37:15,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:37:15,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:37:15,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:37:15,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:37:15,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:37:15,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:37:15,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:37:15,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:37:15,884 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_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-12-07 20:37:16,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:37:16,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:37:16,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:37:16,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:37:16,076 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:37:16,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-12-07 20:37:16,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/932c8a519/503adc8486514b41a3178ccc039255f4/FLAGe84b01730 [2019-12-07 20:37:16,534 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:37:16,534 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-12-07 20:37:16,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/932c8a519/503adc8486514b41a3178ccc039255f4/FLAGe84b01730 [2019-12-07 20:37:16,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/data/932c8a519/503adc8486514b41a3178ccc039255f4 [2019-12-07 20:37:16,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:37:16,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:37:16,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:37:16,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:37:16,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:37:16,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:37:16" (1/1) ... [2019-12-07 20:37:16,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:16, skipping insertion in model container [2019-12-07 20:37:16,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:37:16" (1/1) ... [2019-12-07 20:37:16,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:37:16,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:37:17,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:37:17,185 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:37:17,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:37:17,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:37:17,233 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:37:17,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:37:17,288 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:37:17,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17 WrapperNode [2019-12-07 20:37:17,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:37:17,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:37:17,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:37:17,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:37:17,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:37:17,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:37:17,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:37:17,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:37:17,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... [2019-12-07 20:37:17,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:37:17,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:37:17,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:37:17,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:37:17,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:37:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:37:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:37:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:37:17,810 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:37:17,810 INFO L287 CfgBuilder]: Removed 66 assume(true) statements. [2019-12-07 20:37:17,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:37:17 BoogieIcfgContainer [2019-12-07 20:37:17,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:37:17,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:37:17,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:37:17,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:37:17,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:37:16" (1/3) ... [2019-12-07 20:37:17,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74850eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:37:17, skipping insertion in model container [2019-12-07 20:37:17,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:37:17" (2/3) ... [2019-12-07 20:37:17,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74850eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:37:17, skipping insertion in model container [2019-12-07 20:37:17,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:37:17" (3/3) ... [2019-12-07 20:37:17,816 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-12-07 20:37:17,823 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:37:17,828 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:37:17,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:37:17,850 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:37:17,850 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:37:17,850 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:37:17,850 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:37:17,851 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:37:17,851 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:37:17,851 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:37:17,851 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:37:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-12-07 20:37:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:37:17,865 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:17,866 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:37:17,866 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:17,870 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-12-07 20:37:17,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:17,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863861507] [2019-12-07 20:37:17,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:18,040 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:37:18,044 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:18,054 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 20:37:18,055 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:18,058 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 20:37:18,059 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863861507] [2019-12-07 20:37:18,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:37:18,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:37:18,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738768779] [2019-12-07 20:37:18,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:37:18,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:18,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:37:18,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:37:18,075 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-12-07 20:37:18,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:18,091 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-12-07 20:37:18,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:37:18,092 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:37:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:18,099 INFO L225 Difference]: With dead ends: 108 [2019-12-07 20:37:18,099 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 20:37:18,101 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 20:37:18,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 20:37:18,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 20:37:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 20:37:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-12-07 20:37:18,127 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-12-07 20:37:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:18,128 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-12-07 20:37:18,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:37:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-12-07 20:37:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:37:18,129 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:18,129 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 20:37:18,329 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:37:18,330 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:18,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-12-07 20:37:18,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:18,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607114677] [2019-12-07 20:37:18,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:18,543 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:37:18,544 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:18,557 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 20:37:18,557 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:18,565 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 20:37:18,566 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607114677] [2019-12-07 20:37:18,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:37:18,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:37:18,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718158372] [2019-12-07 20:37:18,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:37:18,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:18,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:37:18,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:37:18,568 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2019-12-07 20:37:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:18,579 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-12-07 20:37:18,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:37:18,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:37:18,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:18,580 INFO L225 Difference]: With dead ends: 53 [2019-12-07 20:37:18,580 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 20:37:18,581 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 20:37:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 20:37:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 20:37:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 20:37:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-12-07 20:37:18,585 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-12-07 20:37:18,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:18,585 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-12-07 20:37:18,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:37:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-12-07 20:37:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:37:18,587 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:18,587 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 20:37:18,787 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:37:18,788 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:18,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:18,789 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-12-07 20:37:18,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:18,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076156548] [2019-12-07 20:37:18,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:19,019 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:37:19,021 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:19,039 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 20:37:19,039 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:19,065 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 20:37:19,066 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076156548] [2019-12-07 20:37:19,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:37:19,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:37:19,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963760765] [2019-12-07 20:37:19,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:37:19,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:19,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:37:19,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:37:19,067 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2019-12-07 20:37:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:19,253 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2019-12-07 20:37:19,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:37:19,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 20:37:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:19,258 INFO L225 Difference]: With dead ends: 154 [2019-12-07 20:37:19,258 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 20:37:19,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:37:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 20:37:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2019-12-07 20:37:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 20:37:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2019-12-07 20:37:19,272 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2019-12-07 20:37:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:19,273 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2019-12-07 20:37:19,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:37:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2019-12-07 20:37:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:37:19,274 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:19,274 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 20:37:19,475 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:37:19,475 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:19,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:19,476 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2019-12-07 20:37:19,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:19,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103594691] [2019-12-07 20:37:19,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:19,604 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:37:19,605 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:19,610 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 20:37:19,611 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:19,613 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 20:37:19,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103594691] [2019-12-07 20:37:19,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:37:19,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:37:19,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242789481] [2019-12-07 20:37:19,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:37:19,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:19,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:37:19,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:37:19,614 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2019-12-07 20:37:19,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:19,622 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2019-12-07 20:37:19,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:37:19,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 20:37:19,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:19,623 INFO L225 Difference]: With dead ends: 95 [2019-12-07 20:37:19,624 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 20:37:19,624 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 20:37:19,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 20:37:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 20:37:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 20:37:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2019-12-07 20:37:19,633 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2019-12-07 20:37:19,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:19,633 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2019-12-07 20:37:19,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:37:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-12-07 20:37:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 20:37:19,635 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:37:19,635 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 20:37:19,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:37:19,836 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:37:19,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:37:19,837 INFO L82 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2019-12-07 20:37:19,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:37:19,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748755174] [2019-12-07 20:37:19,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:19,967 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:37:19,968 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:19,980 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 20:37:19,980 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:20,001 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 20:37:20,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748755174] [2019-12-07 20:37:20,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [272196184] [2019-12-07 20:37:20,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/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 20:37:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:37:20,089 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:37:20,091 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:37:20,115 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 20:37:20,115 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:37:20,119 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 20:37:20,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:37:20,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 20:37:20,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955782451] [2019-12-07 20:37:20,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:37:20,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:37:20,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:37:20,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:37:20,120 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2019-12-07 20:37:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:37:20,202 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-12-07 20:37:20,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:37:20,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 20:37:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:37:20,203 INFO L225 Difference]: With dead ends: 111 [2019-12-07 20:37:20,203 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:37:20,204 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 20:37:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:37:20,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:37:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:37:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:37:20,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 20:37:20,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:37:20,205 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:37:20,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:37:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:37:20,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:37:20,606 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 20:37:20,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:37:20,799 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 20:37:20,799 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:37:20,799 INFO L246 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-12-07 20:37:20,799 INFO L242 CegarLoopResult]: At program point L748(lines 1 855) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:37:20,799 INFO L242 CegarLoopResult]: At program point L682(lines 677 685) 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 20:37:20,799 INFO L242 CegarLoopResult]: At program point L682-1(lines 677 685) the Hoare annotation is: false [2019-12-07 20:37:20,799 INFO L242 CegarLoopResult]: At program point L682-2(lines 677 685) the Hoare annotation is: false [2019-12-07 20:37:20,799 INFO L246 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-12-07 20:37:20,799 INFO L242 CegarLoopResult]: At program point L550-1(lines 550 556) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:20,800 INFO L242 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: false [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L249 CegarLoopResult]: At program point L852(lines 833 855) the Hoare annotation is: true [2019-12-07 20:37:20,800 INFO L242 CegarLoopResult]: At program point L605(lines 604 623) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:20,800 INFO L246 CegarLoopResult]: For program point L605-1(lines 605 611) no Hoare annotation was computed. [2019-12-07 20:37:20,800 INFO L242 CegarLoopResult]: At program point L605-2(lines 604 623) the Hoare annotation is: false [2019-12-07 20:37:20,800 INFO L242 CegarLoopResult]: At program point L605-3(lines 604 623) the Hoare annotation is: false [2019-12-07 20:37:20,800 INFO L242 CegarLoopResult]: At program point L820(lines 816 822) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L523(lines 518 526) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L523-1(lines 518 526) the Hoare annotation is: false [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L523-2(lines 518 526) the Hoare annotation is: false [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L425-1(lines 1 855) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L425-3(lines 1 855) the Hoare annotation is: false [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L425-5(lines 1 855) the Hoare annotation is: false [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: false [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2019-12-07 20:37:20,801 INFO L242 CegarLoopResult]: At program point L756(lines 751 759) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2019-12-07 20:37:20,801 INFO L246 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L576-2(lines 605 611) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L242 CegarLoopResult]: At program point L560-1(lines 560 566) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-12-07 20:37:20,802 INFO L246 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2019-12-07 20:37:20,803 INFO L246 CegarLoopResult]: For program point L776-1(lines 605 611) no Hoare annotation was computed. [2019-12-07 20:37:20,803 INFO L246 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-12-07 20:37:20,803 INFO L249 CegarLoopResult]: At program point L843-1(lines 843 850) the Hoare annotation is: true [2019-12-07 20:37:20,803 INFO L242 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:37:20,803 INFO L242 CegarLoopResult]: At program point L612-1(lines 612 618) the Hoare annotation is: false [2019-12-07 20:37:20,803 INFO L242 CegarLoopResult]: At program point L612-2(lines 612 618) the Hoare annotation is: false [2019-12-07 20:37:20,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:37:20 BoogieIcfgContainer [2019-12-07 20:37:20,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:37:20,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:37:20,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:37:20,817 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:37:20,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:37:17" (3/4) ... [2019-12-07 20:37:20,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:37:20,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:37:20,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:37:20,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:37:20,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:37:20,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:37:20,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:37:20,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:37:20,858 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 20:37:20,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2d8ccc48-8f64-428b-a0e8-e17e91e8cf89/bin/utaipan/witness.graphml [2019-12-07 20:37:20,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:37:20,890 INFO L168 Benchmark]: Toolchain (without parser) took 3975.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -214.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:37:20,890 INFO L168 Benchmark]: CDTParser took 0.16 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 20:37:20,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:20,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.48 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 20:37:20,890 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:20,891 INFO L168 Benchmark]: RCFGBuilder took 459.86 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:20,891 INFO L168 Benchmark]: TraceAbstraction took 3004.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -147.0 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:37:20,891 INFO L168 Benchmark]: Witness Printer took 71.70 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 20:37:20,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 371.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.48 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. * Boogie Preprocessor took 24.94 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 459.86 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3004.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -147.0 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. * Witness Printer took 71.70 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: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 612]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 244 SDtfs, 374 SDslu, 314 SDs, 0 SdLazy, 78 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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...