./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e ...................................................................................................................................... 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_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:33:29,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:33:29,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:33:29,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:33:29,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:33:29,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:33:29,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:33:29,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:33:29,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:33:29,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:33:29,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:33:29,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:33:29,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:33:29,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:33:29,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:33:29,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:33:29,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:33:29,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:33:29,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:33:29,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:33:29,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:33:29,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:33:29,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:33:29,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:33:29,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:33:29,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:33:29,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:33:29,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:33:29,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:33:29,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:33:29,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:33:29,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:33:29,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:33:29,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:33:29,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:33:29,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:33:29,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:33:29,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:33:29,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:33:29,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:33:29,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:33:29,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:33:29,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:33:29,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:33:29,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:33:29,903 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:33:29,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:33:29,903 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:33:29,903 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:33:29,903 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:33:29,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:33:29,904 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:33:29,904 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:33:29,904 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:33:29,904 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:33:29,905 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:33:29,905 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:33:29,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:33:29,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:33:29,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:33:29,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:33:29,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:33:29,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:33:29,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:33:29,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:33:29,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:33:29,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:33:29,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:33:29,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:33:29,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:33:29,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:33:29,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:33:29,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:33:29,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:33:29,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:33:29,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:33:29,910 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_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2019-12-07 19:33:30,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:33:30,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:33:30,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:33:30,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:33:30,032 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:33:30,032 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2019-12-07 19:33:30,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/722bf81db/ee32e13d9f65416cb42b72682a2d1131/FLAG67be87920 [2019-12-07 19:33:30,414 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:33:30,415 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2019-12-07 19:33:30,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/722bf81db/ee32e13d9f65416cb42b72682a2d1131/FLAG67be87920 [2019-12-07 19:33:30,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/722bf81db/ee32e13d9f65416cb42b72682a2d1131 [2019-12-07 19:33:30,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:33:30,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:33:30,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:33:30,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:33:30,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:33:30,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:33:30" (1/1) ... [2019-12-07 19:33:30,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b870f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:30, skipping insertion in model container [2019-12-07 19:33:30,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:33:30" (1/1) ... [2019-12-07 19:33:30,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:33:30,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:33:30,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:33:30,713 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 19:33:30,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d13c1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:30, skipping insertion in model container [2019-12-07 19:33:30,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:33:30,714 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 19:33:30,716 INFO L168 Benchmark]: Toolchain (without parser) took 281.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:30,716 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:33:30,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:30,718 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 618]: 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 19:33:31,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:33:31,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:33:31,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:33:31,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:33:31,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:33:31,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:33:31,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:33:31,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:33:31,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:33:31,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:33:31,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:33:31,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:33:31,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:33:31,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:33:31,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:33:31,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:33:31,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:33:31,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:33:31,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:33:31,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:33:31,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:33:31,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:33:31,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:33:31,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:33:31,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:33:31,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:33:31,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:33:31,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:33:31,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:33:31,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:33:31,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:33:31,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:33:31,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:33:31,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:33:31,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:33:31,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:33:31,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:33:31,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:33:31,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:33:31,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:33:31,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:33:31,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:33:31,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:33:31,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:33:31,878 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:33:31,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:33:31,878 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:33:31,878 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:33:31,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:33:31,879 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:33:31,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:33:31,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:33:31,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:33:31,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:33:31,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:33:31,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:33:31,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:33:31,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:33:31,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:33:31,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:33:31,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:33:31,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:33:31,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:33:31,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:33:31,883 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_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2019-12-07 19:33:32,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:33:32,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:33:32,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:33:32,064 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:33:32,064 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:33:32,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2019-12-07 19:33:32,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/12797d25e/305a690d2faf4eae8fb6d2536d02d589/FLAG21a7c2a75 [2019-12-07 19:33:32,568 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:33:32,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2019-12-07 19:33:32,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/12797d25e/305a690d2faf4eae8fb6d2536d02d589/FLAG21a7c2a75 [2019-12-07 19:33:32,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/data/12797d25e/305a690d2faf4eae8fb6d2536d02d589 [2019-12-07 19:33:32,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:33:32,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:33:32,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:33:32,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:33:32,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:33:32,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:32,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32, skipping insertion in model container [2019-12-07 19:33:32,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:32,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:33:32,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:33:32,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:33:32,862 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:33:32,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:33:32,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:33:32,919 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:33:32,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:33:32,980 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:33:32,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32 WrapperNode [2019-12-07 19:33:32,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:33:32,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:33:32,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:33:32,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:33:32,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:33:33,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:33:33,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:33:33,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:33:33,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... [2019-12-07 19:33:33,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:33:33,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:33:33,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:33:33,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:33:33,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 19:33:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:33:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:33:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:33:33,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:33:33,565 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:33:33,566 INFO L287 CfgBuilder]: Removed 104 assume(true) statements. [2019-12-07 19:33:33,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:33:33 BoogieIcfgContainer [2019-12-07 19:33:33,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:33:33,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:33:33,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:33:33,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:33:33,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:33:32" (1/3) ... [2019-12-07 19:33:33,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02fcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:33:33, skipping insertion in model container [2019-12-07 19:33:33,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:33:32" (2/3) ... [2019-12-07 19:33:33,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02fcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:33:33, skipping insertion in model container [2019-12-07 19:33:33,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:33:33" (3/3) ... [2019-12-07 19:33:33,572 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2019-12-07 19:33:33,579 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:33:33,584 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 19:33:33,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 19:33:33,608 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:33:33,609 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:33:33,609 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:33:33,609 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:33:33,609 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:33:33,609 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:33:33,609 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:33:33,609 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:33:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-12-07 19:33:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 19:33:33,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:33:33,625 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:33:33,625 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:33:33,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:33:33,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2048364516, now seen corresponding path program 1 times [2019-12-07 19:33:33,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:33:33,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283621664] [2019-12-07 19:33:33,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 19:33:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:33:33,777 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:33:33,782 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:33:33,793 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 19:33:33,793 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:33:33,797 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 19:33:33,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283621664] [2019-12-07 19:33:33,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:33:33,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:33:33,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394732313] [2019-12-07 19:33:33,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:33:33,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:33:33,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:33:33,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:33:33,813 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-12-07 19:33:33,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:33:33,835 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2019-12-07 19:33:33,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:33:33,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 19:33:33,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:33:33,845 INFO L225 Difference]: With dead ends: 155 [2019-12-07 19:33:33,845 INFO L226 Difference]: Without dead ends: 77 [2019-12-07 19:33:33,848 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:33:33,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-12-07 19:33:33,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-12-07 19:33:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 19:33:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2019-12-07 19:33:33,880 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2019-12-07 19:33:33,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:33:33,880 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2019-12-07 19:33:33,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:33:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-12-07 19:33:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 19:33:33,881 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:33:33,881 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:33:34,082 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:33:34,082 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:33:34,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:33:34,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1829528547, now seen corresponding path program 1 times [2019-12-07 19:33:34,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:33:34,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829789124] [2019-12-07 19:33:34,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 19:33:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:33:34,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:33:34,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:33:34,207 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 19:33:34,208 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:33:34,216 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 19:33:34,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829789124] [2019-12-07 19:33:34,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:33:34,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:33:34,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702900042] [2019-12-07 19:33:34,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:33:34,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:33:34,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:33:34,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:33:34,218 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 4 states. [2019-12-07 19:33:34,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:33:34,228 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2019-12-07 19:33:34,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:33:34,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 19:33:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:33:34,229 INFO L225 Difference]: With dead ends: 77 [2019-12-07 19:33:34,229 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 19:33:34,230 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:33:34,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 19:33:34,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 19:33:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 19:33:34,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-12-07 19:33:34,234 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-12-07 19:33:34,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:33:34,234 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-12-07 19:33:34,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:33:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-07 19:33:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 19:33:34,235 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:33:34,235 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:33:34,435 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:33:34,436 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:33:34,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:33:34,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2019-12-07 19:33:34,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:33:34,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862729076] [2019-12-07 19:33:34,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 19:33:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:33:34,566 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:33:34,568 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:33:34,576 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 19:33:34,576 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:33:34,584 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 19:33:34,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862729076] [2019-12-07 19:33:34,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:33:34,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 19:33:34,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901892239] [2019-12-07 19:33:34,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:33:34,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:33:34,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:33:34,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:33:34,586 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2019-12-07 19:33:34,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:33:34,638 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2019-12-07 19:33:34,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:33:34,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 19:33:34,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:33:34,640 INFO L225 Difference]: With dead ends: 121 [2019-12-07 19:33:34,640 INFO L226 Difference]: Without dead ends: 91 [2019-12-07 19:33:34,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:33:34,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-12-07 19:33:34,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2019-12-07 19:33:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 19:33:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2019-12-07 19:33:34,651 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2019-12-07 19:33:34,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:33:34,652 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2019-12-07 19:33:34,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:33:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2019-12-07 19:33:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 19:33:34,653 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:33:34,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:33:34,853 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:33:34,854 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:33:34,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:33:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2019-12-07 19:33:34,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:33:34,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779981299] [2019-12-07 19:33:34,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 19:33:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:33:35,038 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:33:35,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:33:35,055 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 19:33:35,055 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:33:35,063 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 19:33:35,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779981299] [2019-12-07 19:33:35,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:33:35,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 19:33:35,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997501792] [2019-12-07 19:33:35,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:33:35,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:33:35,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:33:35,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:33:35,065 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 5 states. [2019-12-07 19:33:35,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:33:35,143 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2019-12-07 19:33:35,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 19:33:35,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 19:33:35,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:33:35,146 INFO L225 Difference]: With dead ends: 261 [2019-12-07 19:33:35,147 INFO L226 Difference]: Without dead ends: 211 [2019-12-07 19:33:35,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:33:35,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-12-07 19:33:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2019-12-07 19:33:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 19:33:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2019-12-07 19:33:35,164 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2019-12-07 19:33:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:33:35,164 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2019-12-07 19:33:35,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:33:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2019-12-07 19:33:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 19:33:35,166 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:33:35,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:33:35,366 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:33:35,367 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:33:35,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:33:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2019-12-07 19:33:35,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:33:35,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808772129] [2019-12-07 19:33:35,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/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 19:33:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:33:35,540 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 19:33:35,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:33:35,554 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 19:33:35,554 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:33:35,557 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 19:33:35,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808772129] [2019-12-07 19:33:35,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:33:35,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 19:33:35,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749613720] [2019-12-07 19:33:35,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 19:33:35,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:33:35,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 19:33:35,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:33:35,558 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand 5 states. [2019-12-07 19:33:35,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:33:35,642 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2019-12-07 19:33:35,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 19:33:35,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 19:33:35,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:33:35,643 INFO L225 Difference]: With dead ends: 289 [2019-12-07 19:33:35,643 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:33:35,644 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:33:35,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:33:35,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:33:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:33:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:33:35,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-12-07 19:33:35,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:33:35,645 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:33:35,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 19:33:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:33:35,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:33:35,846 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 19:33:35,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:33:36,101 INFO L246 CegarLoopResult]: For program point L415(lines 415 421) no Hoare annotation was computed. [2019-12-07 19:33:36,101 INFO L242 CegarLoopResult]: At program point L415-1(lines 415 421) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L234(lines 234 242) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L234-1(lines 234 242) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L234-2(lines 234 242) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L350-3(lines 350 354) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L350-5(lines 350 354) no Hoare annotation was computed. [2019-12-07 19:33:36,102 INFO L246 CegarLoopResult]: For program point L350-6(lines 350 354) no Hoare annotation was computed. [2019-12-07 19:33:36,103 INFO L246 CegarLoopResult]: For program point L350-8(lines 350 354) no Hoare annotation was computed. [2019-12-07 19:33:36,103 INFO L246 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2019-12-07 19:33:36,103 INFO L242 CegarLoopResult]: At program point L433-1(lines 198 204) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,103 INFO L242 CegarLoopResult]: At program point L301(lines 296 304) 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 19:33:36,103 INFO L242 CegarLoopResult]: At program point L301-1(lines 296 304) the Hoare annotation is: false [2019-12-07 19:33:36,103 INFO L242 CegarLoopResult]: At program point L301-2(lines 296 304) the Hoare annotation is: false [2019-12-07 19:33:36,103 INFO L242 CegarLoopResult]: At program point L137(lines 132 140) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,104 INFO L242 CegarLoopResult]: At program point L137-1(lines 132 140) the Hoare annotation is: false [2019-12-07 19:33:36,104 INFO L242 CegarLoopResult]: At program point L137-2(lines 132 140) the Hoare annotation is: false [2019-12-07 19:33:36,104 INFO L242 CegarLoopResult]: At program point L205(lines 205 211) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,104 INFO L242 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: false [2019-12-07 19:33:36,104 INFO L242 CegarLoopResult]: At program point L205-2(lines 205 211) the Hoare annotation is: false [2019-12-07 19:33:36,104 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:33:36,105 INFO L249 CegarLoopResult]: At program point L585(lines 566 588) the Hoare annotation is: true [2019-12-07 19:33:36,105 INFO L242 CegarLoopResult]: At program point L552(lines 548 554) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:33:36,105 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:33:36,105 INFO L246 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-12-07 19:33:36,105 INFO L246 CegarLoopResult]: For program point L471(lines 471 488) no Hoare annotation was computed. [2019-12-07 19:33:36,105 INFO L242 CegarLoopResult]: At program point L471-1(lines 1 954) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,105 INFO L242 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2019-12-07 19:33:36,105 INFO L246 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-12-07 19:33:36,106 INFO L246 CegarLoopResult]: For program point L471-2(lines 471 488) no Hoare annotation was computed. [2019-12-07 19:33:36,106 INFO L242 CegarLoopResult]: At program point L405-1(lines 405 411) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,106 INFO L242 CegarLoopResult]: At program point L471-3(lines 1 954) the Hoare annotation is: false [2019-12-07 19:33:36,106 INFO L246 CegarLoopResult]: For program point L471-4(lines 471 488) no Hoare annotation was computed. [2019-12-07 19:33:36,106 INFO L242 CegarLoopResult]: At program point L471-5(lines 1 954) the Hoare annotation is: false [2019-12-07 19:33:36,106 INFO L242 CegarLoopResult]: At program point L356(lines 341 359) the Hoare annotation is: false [2019-12-07 19:33:36,106 INFO L242 CegarLoopResult]: At program point L356-1(lines 341 359) the Hoare annotation is: false [2019-12-07 19:33:36,107 INFO L242 CegarLoopResult]: At program point L356-2(lines 341 359) the Hoare annotation is: false [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point L425(lines 425 440) no Hoare annotation was computed. [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point L475(lines 475 485) no Hoare annotation was computed. [2019-12-07 19:33:36,107 INFO L246 CegarLoopResult]: For program point L508-1(lines 198 204) no Hoare annotation was computed. [2019-12-07 19:33:36,108 INFO L246 CegarLoopResult]: For program point L475-2(lines 475 485) no Hoare annotation was computed. [2019-12-07 19:33:36,108 INFO L246 CegarLoopResult]: For program point L475-4(lines 475 485) no Hoare annotation was computed. [2019-12-07 19:33:36,108 INFO L242 CegarLoopResult]: At program point L178(lines 173 181) the Hoare annotation is: false [2019-12-07 19:33:36,108 INFO L242 CegarLoopResult]: At program point L178-1(lines 173 181) the Hoare annotation is: false [2019-12-07 19:33:36,108 INFO L246 CegarLoopResult]: For program point L112(lines 112 116) no Hoare annotation was computed. [2019-12-07 19:33:36,108 INFO L242 CegarLoopResult]: At program point L178-2(lines 173 181) the Hoare annotation is: false [2019-12-07 19:33:36,108 INFO L246 CegarLoopResult]: For program point L476(lines 476 482) no Hoare annotation was computed. [2019-12-07 19:33:36,109 INFO L246 CegarLoopResult]: For program point L476-2(lines 476 482) no Hoare annotation was computed. [2019-12-07 19:33:36,109 INFO L246 CegarLoopResult]: For program point L476-4(lines 476 482) no Hoare annotation was computed. [2019-12-07 19:33:36,109 INFO L242 CegarLoopResult]: At program point L460(lines 455 462) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:33:36,109 INFO L246 CegarLoopResult]: For program point L576(lines 576 583) no Hoare annotation was computed. [2019-12-07 19:33:36,109 INFO L249 CegarLoopResult]: At program point L576-1(lines 576 583) the Hoare annotation is: true [2019-12-07 19:33:36,109 INFO L246 CegarLoopResult]: For program point L230(lines 230 247) no Hoare annotation was computed. [2019-12-07 19:33:36,109 INFO L246 CegarLoopResult]: For program point L230-1(lines 230 247) no Hoare annotation was computed. [2019-12-07 19:33:36,110 INFO L246 CegarLoopResult]: For program point L230-2(lines 230 247) no Hoare annotation was computed. [2019-12-07 19:33:36,110 INFO L242 CegarLoopResult]: At program point L65(lines 1 954) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 19:33:36,110 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:33:36,110 INFO L242 CegarLoopResult]: At program point L445(lines 394 446) the Hoare annotation is: false [2019-12-07 19:33:36,110 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 19:33:36,110 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 19:33:36,110 INFO L246 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-12-07 19:33:36,111 INFO L246 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-12-07 19:33:36,111 INFO L246 CegarLoopResult]: For program point L396(lines 395 444) no Hoare annotation was computed. [2019-12-07 19:33:36,111 INFO L242 CegarLoopResult]: At program point L198(lines 197 216) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,111 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 204) no Hoare annotation was computed. [2019-12-07 19:33:36,111 INFO L242 CegarLoopResult]: At program point L198-2(lines 197 216) the Hoare annotation is: false [2019-12-07 19:33:36,111 INFO L242 CegarLoopResult]: At program point L198-3(lines 197 216) the Hoare annotation is: false [2019-12-07 19:33:36,112 INFO L246 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-12-07 19:33:36,112 INFO L246 CegarLoopResult]: For program point L364(lines 364 370) no Hoare annotation was computed. [2019-12-07 19:33:36,112 INFO L242 CegarLoopResult]: At program point L364-1(lines 364 370) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 19:33:36,112 INFO L246 CegarLoopResult]: For program point L100(lines 100 104) no Hoare annotation was computed. [2019-12-07 19:33:36,112 INFO L246 CegarLoopResult]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2019-12-07 19:33:36,112 INFO L246 CegarLoopResult]: For program point L100-6(lines 100 104) no Hoare annotation was computed. [2019-12-07 19:33:36,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:33:36 BoogieIcfgContainer [2019-12-07 19:33:36,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:33:36,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:33:36,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:33:36,128 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:33:36,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:33:33" (3/4) ... [2019-12-07 19:33:36,132 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:33:36,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 19:33:36,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 19:33:36,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 19:33:36,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:33:36,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:33:36,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:33:36,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:33:36,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 19:33:36,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4acc7fa1-8949-4eeb-ab37-737c724cb2ac/bin/utaipan/witness.graphml [2019-12-07 19:33:36,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:33:36,218 INFO L168 Benchmark]: Toolchain (without parser) took 3628.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 953.7 MB in the beginning and 798.1 MB in the end (delta: 155.7 MB). Peak memory consumption was 286.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:36,218 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:33:36,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:36,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.49 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 19:33:36,219 INFO L168 Benchmark]: Boogie Preprocessor took 29.06 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 19:33:36,219 INFO L168 Benchmark]: RCFGBuilder took 512.55 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: 74.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:36,219 INFO L168 Benchmark]: TraceAbstraction took 2560.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 801.9 MB in the end (delta: 222.4 MB). Peak memory consumption was 222.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:36,219 INFO L168 Benchmark]: Witness Printer took 88.71 ms. Allocated memory is still 1.2 GB. Free memory was 801.9 MB in the beginning and 798.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:33:36,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.49 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 29.06 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 512.55 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: 74.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2560.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 801.9 MB in the end (delta: 222.4 MB). Peak memory consumption was 222.4 MB. Max. memory is 11.5 GB. * Witness Printer took 88.71 ms. Allocated memory is still 1.2 GB. Free memory was 801.9 MB in the beginning and 798.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 350 SDtfs, 389 SDslu, 439 SDs, 0 SdLazy, 52 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 134 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3987 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 7772 SizeOfPredicates, 8 NumberOfNonLiveVariables, 921 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...