./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:49:46,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:49:46,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:49:46,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:49:46,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:49:46,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:49:46,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:49:46,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:49:46,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:49:46,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:49:46,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:49:46,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:49:46,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:49:46,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:49:46,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:49:46,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:49:46,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:49:46,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:49:46,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:49:46,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:49:46,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:49:46,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:49:46,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:49:46,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:49:46,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:49:46,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:49:46,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:49:46,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:49:46,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:49:46,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:49:46,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:49:46,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:49:46,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:49:46,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:49:46,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:49:46,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:49:46,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:49:46,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:49:46,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:49:46,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:49:46,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:49:46,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:49:46,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:49:46,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:49:46,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:49:46,939 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:49:46,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:49:46,940 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:49:46,940 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:49:46,940 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:49:46,940 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:49:46,941 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:49:46,942 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:49:46,942 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:49:46,942 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:49:46,943 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:49:46,943 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:49:46,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:49:46,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:49:46,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:49:46,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:49:46,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:49:46,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:49:46,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:49:46,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:49:46,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:49:46,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:49:46,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:49:46,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:49:46,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:49:46,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:49:46,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:49:46,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:49:46,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:49:46,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:49:46,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:49:46,950 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:49:46,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:49:46,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:49:46,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:49:46,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:49:46,951 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2021-10-24 10:49:47,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:49:47,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:49:47,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:49:47,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:49:47,309 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:49:47,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-24 10:49:47,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/21d17c6fe/9de460f3436a4b33a295ae71ad42c90b/FLAGa184077b0 [2021-10-24 10:49:48,026 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:49:48,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-24 10:49:48,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/21d17c6fe/9de460f3436a4b33a295ae71ad42c90b/FLAGa184077b0 [2021-10-24 10:49:48,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/21d17c6fe/9de460f3436a4b33a295ae71ad42c90b [2021-10-24 10:49:48,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:49:48,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:49:48,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:48,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:49:48,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:49:48,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:48" (1/1) ... [2021-10-24 10:49:48,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5150da87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:48, skipping insertion in model container [2021-10-24 10:49:48,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:48" (1/1) ... [2021-10-24 10:49:48,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:49:48,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:49:48,617 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2021-10-24 10:49:48,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:48,692 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) [2021-10-24 10:49:48,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66b75727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:48, skipping insertion in model container [2021-10-24 10:49:48,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:48,693 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:49:48,695 INFO L168 Benchmark]: Toolchain (without parser) took 383.69 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 81.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:48,696 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 42.9 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:49:48,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.77 ms. Allocated memory is still 107.0 MB. Free memory was 74.7 MB in the beginning and 81.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:48,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 42.9 MB in the beginning and 42.9 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.77 ms. Allocated memory is still 107.0 MB. Free memory was 74.7 MB in the beginning and 81.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 445]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:49:51,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:49:51,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:49:51,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:49:51,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:49:51,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:49:51,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:49:51,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:49:51,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:49:51,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:49:51,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:49:51,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:49:51,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:49:51,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:49:51,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:49:51,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:49:51,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:49:51,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:49:51,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:49:51,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:49:51,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:49:51,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:49:51,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:49:51,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:49:51,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:49:51,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:49:51,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:49:51,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:49:51,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:49:51,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:49:51,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:49:51,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:49:51,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:49:51,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:49:51,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:49:51,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:49:51,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:49:51,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:49:51,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:49:51,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:49:51,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:49:51,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:49:51,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:49:51,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:49:51,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:49:51,263 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:49:51,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:49:51,264 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:49:51,264 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:49:51,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:49:51,264 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:49:51,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:49:51,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:49:51,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:49:51,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:49:51,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:49:51,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:49:51,268 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:49:51,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:49:51,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:49:51,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:49:51,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:49:51,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:49:51,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:49:51,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:49:51,269 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2021-10-24 10:49:51,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:49:51,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:49:51,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:49:51,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:49:51,698 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:49:51,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-24 10:49:51,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/2c90640e7/432aa91ff41a4bf29976c5c9222f2299/FLAGdba99c48c [2021-10-24 10:49:52,378 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:49:52,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-24 10:49:52,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/2c90640e7/432aa91ff41a4bf29976c5c9222f2299/FLAGdba99c48c [2021-10-24 10:49:52,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/data/2c90640e7/432aa91ff41a4bf29976c5c9222f2299 [2021-10-24 10:49:52,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:49:52,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:49:52,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:52,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:49:52,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:49:52,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:52" (1/1) ... [2021-10-24 10:49:52,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a348bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:52, skipping insertion in model container [2021-10-24 10:49:52,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:49:52" (1/1) ... [2021-10-24 10:49:52,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:49:52,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:49:53,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2021-10-24 10:49:53,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:53,282 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:49:53,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:49:53,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2021-10-24 10:49:53,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:53,376 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:49:53,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2021-10-24 10:49:53,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:49:53,449 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:49:53,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53 WrapperNode [2021-10-24 10:49:53,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:49:53,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:49:53,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:49:53,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:49:53,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:49:53,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:49:53,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:49:53,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:49:53,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:49:53,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:49:53,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:49:53,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:49:53,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (1/1) ... [2021-10-24 10:49:53,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:49:53,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:49:53,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:49:53,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:49:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:49:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:49:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:49:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:49:55,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:49:55,788 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-24 10:49:55,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:49:55 BoogieIcfgContainer [2021-10-24 10:49:55,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:49:55,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:49:55,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:49:55,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:49:55,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:49:52" (1/3) ... [2021-10-24 10:49:55,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8ead61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:49:55, skipping insertion in model container [2021-10-24 10:49:55,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:49:53" (2/3) ... [2021-10-24 10:49:55,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8ead61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:49:55, skipping insertion in model container [2021-10-24 10:49:55,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:49:55" (3/3) ... [2021-10-24 10:49:55,799 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-10-24 10:49:55,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:49:55,805 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:49:55,862 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:49:55,868 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:49:55,870 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:49:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:49:55,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:55,913 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:55,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:55,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:55,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2021-10-24 10:49:55,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:55,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018528176] [2021-10-24 10:49:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:55,933 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:55,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:55,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:55,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:49:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:56,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:49:56,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:56,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:56,332 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:56,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018528176] [2021-10-24 10:49:56,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018528176] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:56,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:56,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:49:56,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828236314] [2021-10-24 10:49:56,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:49:56,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:56,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:49:56,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:49:56,363 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:56,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:56,403 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-24 10:49:56,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:49:56,405 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:49:56,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:56,417 INFO L225 Difference]: With dead ends: 151 [2021-10-24 10:49:56,418 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 10:49:56,421 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:49:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 10:49:56,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 10:49:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-24 10:49:56,456 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-24 10:49:56,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:56,457 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-24 10:49:56,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-24 10:49:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:49:56,459 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:56,459 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:49:56,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 10:49:56,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:56,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:56,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:56,673 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2021-10-24 10:49:56,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:56,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437605737] [2021-10-24 10:49:56,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:56,674 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:56,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:56,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:56,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:49:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:56,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:49:56,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:56,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:57,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:57,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437605737] [2021-10-24 10:49:57,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437605737] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:57,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:57,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:49:57,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677121372] [2021-10-24 10:49:57,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:49:57,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:57,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:49:57,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:57,008 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:57,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:57,021 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-24 10:49:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:49:57,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:49:57,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:57,023 INFO L225 Difference]: With dead ends: 75 [2021-10-24 10:49:57,023 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:49:57,024 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:57,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:49:57,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:49:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:49:57,030 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-24 10:49:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:57,031 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:49:57,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:49:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:49:57,032 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:57,032 INFO L512 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] [2021-10-24 10:49:57,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:57,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:57,245 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:57,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:57,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2021-10-24 10:49:57,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:57,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571899707] [2021-10-24 10:49:57,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:57,248 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:57,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:57,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:57,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:49:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:57,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:49:57,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:57,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:57,868 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:57,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571899707] [2021-10-24 10:49:57,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571899707] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:57,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:57,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:49:57,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019975192] [2021-10-24 10:49:57,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:49:57,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:57,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:49:57,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:57,871 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:57,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:57,879 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-24 10:49:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:49:57,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:49:57,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:57,881 INFO L225 Difference]: With dead ends: 63 [2021-10-24 10:49:57,881 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:49:57,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:49:57,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:49:57,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:49:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-24 10:49:57,887 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-24 10:49:57,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:57,887 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-24 10:49:57,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-24 10:49:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:49:57,888 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:57,889 INFO L512 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] [2021-10-24 10:49:57,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-24 10:49:58,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:58,101 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:58,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:58,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2021-10-24 10:49:58,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:58,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835004428] [2021-10-24 10:49:58,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:58,103 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:58,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:58,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:49:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:58,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:49:58,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:58,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:58,882 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:58,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835004428] [2021-10-24 10:49:58,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835004428] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:58,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:58,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:49:58,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214577647] [2021-10-24 10:49:58,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:49:58,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:58,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:49:58,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:49:58,885 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:59,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:49:59,094 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-24 10:49:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:49:59,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:49:59,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:49:59,097 INFO L225 Difference]: With dead ends: 154 [2021-10-24 10:49:59,097 INFO L226 Difference]: Without dead ends: 126 [2021-10-24 10:49:59,098 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 73.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:49:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-24 10:49:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-24 10:49:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-24 10:49:59,136 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-24 10:49:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:49:59,136 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-24 10:49:59,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:49:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-24 10:49:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:49:59,142 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:49:59,142 INFO L512 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] [2021-10-24 10:49:59,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:49:59,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:49:59,355 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:49:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:49:59,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2021-10-24 10:49:59,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:49:59,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851470094] [2021-10-24 10:49:59,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:49:59,357 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:49:59,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:49:59,360 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:49:59,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:49:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:49:59,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:49:59,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:49:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:59,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:49:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:49:59,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:49:59,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851470094] [2021-10-24 10:49:59,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851470094] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:49:59,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:49:59,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:49:59,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965231787] [2021-10-24 10:49:59,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:49:59,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:49:59,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:49:59,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:49:59,989 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:50:00,161 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-24 10:50:00,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:50:00,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:50:00,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:50:00,167 INFO L225 Difference]: With dead ends: 150 [2021-10-24 10:50:00,167 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:50:00,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:50:00,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:50:00,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:50:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:50:00,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-24 10:50:00,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:50:00,179 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:50:00,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:50:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:50:00,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:50:00,182 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:50:00,188 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:50:00,189 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:50:00,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:50:00,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:50:00,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:50:00,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:00,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:50:01,021 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-10-24 10:50:01,021 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-10-24 10:50:01,021 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 168 174) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,021 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:50:01,021 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:50:01,022 INFO L860 garLoopResultBuilder]: At program point L914(lines 895 917) the Hoare annotation is: true [2021-10-24 10:50:01,022 INFO L853 garLoopResultBuilder]: At program point L881(lines 877 883) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,022 INFO L853 garLoopResultBuilder]: At program point L204(lines 157 205) the Hoare annotation is: false [2021-10-24 10:50:01,022 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 199) no Hoare annotation was computed. [2021-10-24 10:50:01,022 INFO L853 garLoopResultBuilder]: At program point L403(lines 398 406) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,022 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 817) no Hoare annotation was computed. [2021-10-24 10:50:01,022 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 1 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,023 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 833 847) the Hoare annotation is: false [2021-10-24 10:50:01,023 INFO L857 garLoopResultBuilder]: For program point L800-2(lines 800 817) no Hoare annotation was computed. [2021-10-24 10:50:01,023 INFO L853 garLoopResultBuilder]: At program point L800-3(lines 1 917) the Hoare annotation is: false [2021-10-24 10:50:01,023 INFO L857 garLoopResultBuilder]: For program point L800-4(lines 800 817) no Hoare annotation was computed. [2021-10-24 10:50:01,023 INFO L853 garLoopResultBuilder]: At program point L800-5(lines 1 917) the Hoare annotation is: false [2021-10-24 10:50:01,023 INFO L857 garLoopResultBuilder]: For program point L834(line 834) no Hoare annotation was computed. [2021-10-24 10:50:01,023 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:50:01,024 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: false [2021-10-24 10:50:01,024 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2021-10-24 10:50:01,024 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:50:01,024 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-10-24 10:50:01,024 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 274) no Hoare annotation was computed. [2021-10-24 10:50:01,024 INFO L857 garLoopResultBuilder]: For program point L257-1(lines 257 274) no Hoare annotation was computed. [2021-10-24 10:50:01,024 INFO L857 garLoopResultBuilder]: For program point L257-2(lines 257 274) no Hoare annotation was computed. [2021-10-24 10:50:01,024 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-10-24 10:50:01,025 INFO L853 garLoopResultBuilder]: At program point L225(lines 224 243) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,025 INFO L857 garLoopResultBuilder]: For program point L225-1(lines 225 231) no Hoare annotation was computed. [2021-10-24 10:50:01,025 INFO L857 garLoopResultBuilder]: For program point L159(lines 158 203) no Hoare annotation was computed. [2021-10-24 10:50:01,025 INFO L853 garLoopResultBuilder]: At program point L225-2(lines 224 243) the Hoare annotation is: false [2021-10-24 10:50:01,025 INFO L853 garLoopResultBuilder]: At program point L225-3(lines 224 243) the Hoare annotation is: false [2021-10-24 10:50:01,025 INFO L857 garLoopResultBuilder]: For program point L837(lines 837 841) no Hoare annotation was computed. [2021-10-24 10:50:01,025 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 814) no Hoare annotation was computed. [2021-10-24 10:50:01,026 INFO L857 garLoopResultBuilder]: For program point L837-1(lines 225 231) no Hoare annotation was computed. [2021-10-24 10:50:01,026 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 814) no Hoare annotation was computed. [2021-10-24 10:50:01,026 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 164) no Hoare annotation was computed. [2021-10-24 10:50:01,026 INFO L857 garLoopResultBuilder]: For program point L804-4(lines 804 814) no Hoare annotation was computed. [2021-10-24 10:50:01,026 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:50:01,026 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-24 10:50:01,032 INFO L857 garLoopResultBuilder]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2021-10-24 10:50:01,032 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 811) no Hoare annotation was computed. [2021-10-24 10:50:01,032 INFO L857 garLoopResultBuilder]: For program point L359-3(lines 359 363) no Hoare annotation was computed. [2021-10-24 10:50:01,032 INFO L857 garLoopResultBuilder]: For program point L805-2(lines 805 811) no Hoare annotation was computed. [2021-10-24 10:50:01,033 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 198) no Hoare annotation was computed. [2021-10-24 10:50:01,033 INFO L857 garLoopResultBuilder]: For program point L359-5(lines 359 363) no Hoare annotation was computed. [2021-10-24 10:50:01,035 INFO L857 garLoopResultBuilder]: For program point L359-6(lines 359 363) no Hoare annotation was computed. [2021-10-24 10:50:01,035 INFO L857 garLoopResultBuilder]: For program point L805-4(lines 805 811) no Hoare annotation was computed. [2021-10-24 10:50:01,035 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 225 231) no Hoare annotation was computed. [2021-10-24 10:50:01,035 INFO L857 garLoopResultBuilder]: For program point L359-8(lines 359 363) no Hoare annotation was computed. [2021-10-24 10:50:01,036 INFO L853 garLoopResultBuilder]: At program point L310(lines 305 313) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,036 INFO L853 garLoopResultBuilder]: At program point L789(lines 784 791) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,036 INFO L853 garLoopResultBuilder]: At program point L310-1(lines 305 313) the Hoare annotation is: false [2021-10-24 10:50:01,036 INFO L853 garLoopResultBuilder]: At program point L310-2(lines 305 313) the Hoare annotation is: false [2021-10-24 10:50:01,037 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 184) no Hoare annotation was computed. [2021-10-24 10:50:01,041 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 178 184) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,042 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 912) no Hoare annotation was computed. [2021-10-24 10:50:01,042 INFO L860 garLoopResultBuilder]: At program point L905-1(lines 905 912) the Hoare annotation is: true [2021-10-24 10:50:01,042 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2021-10-24 10:50:01,042 INFO L857 garLoopResultBuilder]: For program point L261-1(lines 261 269) no Hoare annotation was computed. [2021-10-24 10:50:01,042 INFO L857 garLoopResultBuilder]: For program point L261-2(lines 261 269) no Hoare annotation was computed. [2021-10-24 10:50:01,043 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:50:01,043 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:50:01,046 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:50:01,046 INFO L853 garLoopResultBuilder]: At program point L395(lines 1 917) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,047 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:50:01,047 INFO L857 garLoopResultBuilder]: For program point L412(line 412) no Hoare annotation was computed. [2021-10-24 10:50:01,047 INFO L857 garLoopResultBuilder]: For program point L412-1(line 412) no Hoare annotation was computed. [2021-10-24 10:50:01,047 INFO L857 garLoopResultBuilder]: For program point L412-2(line 412) no Hoare annotation was computed. [2021-10-24 10:50:01,047 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2021-10-24 10:50:01,047 INFO L853 garLoopResultBuilder]: At program point L232(lines 232 238) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,048 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 232 238) the Hoare annotation is: false [2021-10-24 10:50:01,048 INFO L853 garLoopResultBuilder]: At program point L232-2(lines 232 238) the Hoare annotation is: false [2021-10-24 10:50:01,048 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:50:01,052 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-24 10:50:01,052 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-24 10:50:01,053 INFO L853 garLoopResultBuilder]: At program point L365(lines 350 368) the Hoare annotation is: false [2021-10-24 10:50:01,053 INFO L853 garLoopResultBuilder]: At program point L365-1(lines 350 368) the Hoare annotation is: false [2021-10-24 10:50:01,053 INFO L853 garLoopResultBuilder]: At program point L365-2(lines 350 368) the Hoare annotation is: false [2021-10-24 10:50:01,057 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:50:01,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:50:01 BoogieIcfgContainer [2021-10-24 10:50:01,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:50:01,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:50:01,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:50:01,136 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:50:01,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:49:55" (3/4) ... [2021-10-24 10:50:01,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:50:01,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:50:01,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:50:01,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:50:01,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:50:01,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:50:01,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:50:01,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:50:01,256 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:50:01,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:50:01,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:50:01,317 INFO L168 Benchmark]: Toolchain (without parser) took 8641.71 ms. Allocated memory was 54.5 MB in the beginning and 100.7 MB in the end (delta: 46.1 MB). Free memory was 30.0 MB in the beginning and 73.4 MB in the end (delta: -43.4 MB). Peak memory consumption was 1.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,317 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:50:01,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.33 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 35.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.18 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,318 INFO L168 Benchmark]: Boogie Preprocessor took 39.60 ms. Allocated memory is still 67.1 MB. Free memory was 32.3 MB in the beginning and 30.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,319 INFO L168 Benchmark]: RCFGBuilder took 2220.78 ms. Allocated memory is still 67.1 MB. Free memory was 49.4 MB in the beginning and 39.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,319 INFO L168 Benchmark]: TraceAbstraction took 5341.74 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 39.3 MB in the beginning and 79.7 MB in the end (delta: -40.4 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,320 INFO L168 Benchmark]: Witness Printer took 180.92 ms. Allocated memory is still 100.7 MB. Free memory was 79.7 MB in the beginning and 73.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:01,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 773.33 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 35.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.18 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 32.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.60 ms. Allocated memory is still 67.1 MB. Free memory was 32.3 MB in the beginning and 30.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2220.78 ms. Allocated memory is still 67.1 MB. Free memory was 49.4 MB in the beginning and 39.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5341.74 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 39.3 MB in the beginning and 79.7 MB in the end (delta: -40.4 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Witness Printer took 180.92 ms. Allocated memory is still 100.7 MB. Free memory was 79.7 MB in the beginning and 73.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5196.9ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 35.5ms, AutomataDifference: 500.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 618.9ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 328 SDtfs, 331 SDslu, 300 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 134.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 140.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 74.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 440.6ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 160.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 166.2ms SsaConstructionTime, 831.4ms SatisfiabilityAnalysisTime, 1271.8ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:50:01,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47ce691d-217d-4ad8-a68e-924c5e3a58f7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...