./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI --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 d243c5cece7784e202dce518871ac1b87d0254ec ............................................................................................................................................ 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI --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 d243c5cece7784e202dce518871ac1b87d0254ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:08,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:08,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:08,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:08,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:08,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:08,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:08,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:08,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:08,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:08,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:08,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:08,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:08,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:08,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:08,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:08,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:08,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:08,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:08,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:08,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:08,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:08,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:08,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:08,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:08,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:08,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:08,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:08,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:08,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:08,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:08,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:08,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:08,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:08,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:08,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:08,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:08,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:08,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:08,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:08,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:08,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:08,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:08,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:08,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:08,985 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:08,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:08,986 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:08,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:08,986 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:08,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:08,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:08,994 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:08,994 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:08,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:08,995 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:08,995 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:08,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:08,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:08,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:08,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:08,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:08,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:08,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:08,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:08,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:08,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:08,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:08,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:08,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:08,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:09,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:09,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:09,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:09,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:09,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:09,002 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:09,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:09,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:09,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:09,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:09,004 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d243c5cece7784e202dce518871ac1b87d0254ec [2021-10-11 02:23:09,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:09,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:09,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:09,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:09,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:09,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-11 02:23:09,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/75d56a68c/b02f4543d0124f4a8f7fc4fba01fef28/FLAGc98a4c649 [2021-10-11 02:23:09,899 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:09,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-11 02:23:09,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/75d56a68c/b02f4543d0124f4a8f7fc4fba01fef28/FLAGc98a4c649 [2021-10-11 02:23:10,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/75d56a68c/b02f4543d0124f4a8f7fc4fba01fef28 [2021-10-11 02:23:10,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:10,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:10,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:10,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:10,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:10,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:10" (1/1) ... [2021-10-11 02:23:10,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d74eabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:10, skipping insertion in model container [2021-10-11 02:23:10,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:10" (1/1) ... [2021-10-11 02:23:10,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:10,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:10,518 WARN L226 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2573,2586] [2021-10-11 02:23:10,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:10,711 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) [2021-10-11 02:23:10,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@187e0475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:10, skipping insertion in model container [2021-10-11 02:23:10,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:10,712 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:10,715 INFO L168 Benchmark]: Toolchain (without parser) took 486.26 ms. Allocated memory is still 92.3 MB. Free memory was 58.3 MB in the beginning and 65.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:10,717 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory was 46.5 MB in the beginning and 46.4 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:10,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.48 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 65.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:10,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory was 46.5 MB in the beginning and 46.4 MB in the end (delta: 38.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.48 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 65.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 594]: 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 0.2.0-7b2dab5 [2021-10-11 02:23:12,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:12,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:12,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:12,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:13,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:13,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:13,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:13,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:13,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:13,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:13,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:13,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:13,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:13,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:13,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:13,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:13,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:13,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:13,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:13,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:13,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:13,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:13,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:13,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:13,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:13,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:13,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:13,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:13,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:13,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:13,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:13,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:13,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:13,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:13,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:13,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:13,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:13,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:13,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:13,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:13,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:13,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:13,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:13,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:13,087 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:13,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:13,087 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:13,088 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:13,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:13,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:13,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:13,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:13,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:13,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:13,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:13,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:13,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:13,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:13,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:13,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:13,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:13,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:13,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:13,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:13,093 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d243c5cece7784e202dce518871ac1b87d0254ec [2021-10-11 02:23:13,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:13,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:13,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:13,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:13,561 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:13,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-11 02:23:13,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/d41665da6/667645a52b5d4f48b7e2279468abc52a/FLAGb94d5e435 [2021-10-11 02:23:14,304 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:14,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-11 02:23:14,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/d41665da6/667645a52b5d4f48b7e2279468abc52a/FLAGb94d5e435 [2021-10-11 02:23:14,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/data/d41665da6/667645a52b5d4f48b7e2279468abc52a [2021-10-11 02:23:14,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:14,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:14,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:14,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:14,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:14,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:14" (1/1) ... [2021-10-11 02:23:14,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1308ed8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:14, skipping insertion in model container [2021-10-11 02:23:14,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:14" (1/1) ... [2021-10-11 02:23:14,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:14,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:14,791 WARN L226 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2573,2586] [2021-10-11 02:23:14,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:14,994 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:15,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:15,031 WARN L226 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2573,2586] [2021-10-11 02:23:15,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:15,138 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:15,169 WARN L226 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_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2573,2586] [2021-10-11 02:23:15,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:15,282 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:15,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15 WrapperNode [2021-10-11 02:23:15,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:15,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:15,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:15,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:15,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:15,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:15,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:15,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:15,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:15,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:15,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:15,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:15,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:17,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:17,814 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 02:23:17,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:17 BoogieIcfgContainer [2021-10-11 02:23:17,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:17,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:17,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:17,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:17,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:14" (1/3) ... [2021-10-11 02:23:17,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4468fac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:17, skipping insertion in model container [2021-10-11 02:23:17,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (2/3) ... [2021-10-11 02:23:17,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4468fac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:17, skipping insertion in model container [2021-10-11 02:23:17,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:17" (3/3) ... [2021-10-11 02:23:17,825 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2021-10-11 02:23:17,839 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:17,843 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:23:17,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:23:17,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:17,879 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:17,879 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:17,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:17,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:17,879 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:17,880 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:17,880 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 02:23:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:23:17,900 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:17,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:17,901 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:17,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:17,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-11 02:23:17,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:17,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061877273] [2021-10-11 02:23:17,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:18,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:23:18,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:18,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:18,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061877273] [2021-10-11 02:23:18,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:18,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:18,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654853100] [2021-10-11 02:23:18,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:18,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:18,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:18,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:18,210 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 02:23:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:18,235 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 02:23:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:18,236 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:23:18,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:18,246 INFO L225 Difference]: With dead ends: 148 [2021-10-11 02:23:18,246 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:23:18,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:18,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:23:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:23:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:23:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 02:23:18,289 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-11 02:23:18,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:18,289 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 02:23:18,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 02:23:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:23:18,291 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:18,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:18,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:18,514 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:18,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-11 02:23:18,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:18,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277000659] [2021-10-11 02:23:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:18,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:18,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:18,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:18,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277000659] [2021-10-11 02:23:18,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:18,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:18,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031633382] [2021-10-11 02:23:18,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:18,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:18,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:18,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:18,743 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 02:23:18,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:18,763 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 02:23:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:18,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:23:18,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:18,767 INFO L225 Difference]: With dead ends: 73 [2021-10-11 02:23:18,767 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:23:18,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:18,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:23:18,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:23:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:23:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:23:18,781 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-11 02:23:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:18,785 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:23:18,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:23:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:23:18,788 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:18,788 INFO L422 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] [2021-10-11 02:23:19,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:23:19,003 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:19,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-11 02:23:19,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:19,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532660983] [2021-10-11 02:23:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:19,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:19,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:19,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:19,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532660983] [2021-10-11 02:23:19,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:19,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:19,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218164701] [2021-10-11 02:23:19,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:19,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:19,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:19,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:19,276 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:23:19,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:19,306 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-11 02:23:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:19,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:23:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:19,315 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:23:19,315 INFO L226 Difference]: Without dead ends: 64 [2021-10-11 02:23:19,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:19,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-11 02:23:19,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-11 02:23:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 02:23:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-11 02:23:19,330 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2021-10-11 02:23:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:19,331 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-11 02:23:19,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-11 02:23:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:23:19,333 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:19,333 INFO L422 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] [2021-10-11 02:23:19,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:23:19,554 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:19,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:19,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-11 02:23:19,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:19,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873076640] [2021-10-11 02:23:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:19,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:19,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:19,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:19,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873076640] [2021-10-11 02:23:19,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:19,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:19,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404580944] [2021-10-11 02:23:19,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:19,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:19,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:19,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:19,804 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2021-10-11 02:23:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:19,949 INFO L93 Difference]: Finished difference Result 229 states and 347 transitions. [2021-10-11 02:23:19,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:19,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:23:19,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:19,956 INFO L225 Difference]: With dead ends: 229 [2021-10-11 02:23:19,956 INFO L226 Difference]: Without dead ends: 175 [2021-10-11 02:23:19,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:19,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-11 02:23:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 108. [2021-10-11 02:23:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 02:23:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2021-10-11 02:23:19,991 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 23 [2021-10-11 02:23:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:19,993 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2021-10-11 02:23:19,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2021-10-11 02:23:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:19,997 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:19,997 INFO L422 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] [2021-10-11 02:23:20,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:20,209 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:20,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:20,210 INFO L82 PathProgramCache]: Analyzing trace with hash -597226253, now seen corresponding path program 1 times [2021-10-11 02:23:20,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:20,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260266747] [2021-10-11 02:23:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:20,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:23:20,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:20,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:20,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260266747] [2021-10-11 02:23:20,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:20,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:20,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149467343] [2021-10-11 02:23:20,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:20,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:20,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:20,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:20,468 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand 6 states. [2021-10-11 02:23:21,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:21,980 INFO L93 Difference]: Finished difference Result 314 states and 468 transitions. [2021-10-11 02:23:21,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:21,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2021-10-11 02:23:21,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:21,983 INFO L225 Difference]: With dead ends: 314 [2021-10-11 02:23:21,983 INFO L226 Difference]: Without dead ends: 260 [2021-10-11 02:23:21,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:23:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-10-11 02:23:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 204. [2021-10-11 02:23:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2021-10-11 02:23:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 295 transitions. [2021-10-11 02:23:22,009 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 295 transitions. Word has length 24 [2021-10-11 02:23:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:22,009 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 295 transitions. [2021-10-11 02:23:22,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 295 transitions. [2021-10-11 02:23:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:22,011 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:22,011 INFO L422 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] [2021-10-11 02:23:22,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:22,221 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:22,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:22,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2021-10-11 02:23:22,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:22,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928555231] [2021-10-11 02:23:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:22,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:22,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:22,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:22,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928555231] [2021-10-11 02:23:22,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:22,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:22,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078892481] [2021-10-11 02:23:22,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:22,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:22,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:22,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:22,467 INFO L87 Difference]: Start difference. First operand 204 states and 295 transitions. Second operand 3 states. [2021-10-11 02:23:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:22,485 INFO L93 Difference]: Finished difference Result 276 states and 399 transitions. [2021-10-11 02:23:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:22,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:23:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:22,486 INFO L225 Difference]: With dead ends: 276 [2021-10-11 02:23:22,486 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:22,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:22,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:22,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:22,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 02:23:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:22,488 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:22,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:22,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:22,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:23:22,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L262 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2021-10-11 02:23:23,266 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 02:23:23,267 INFO L258 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: false [2021-10-11 02:23:23,267 INFO L262 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2021-10-11 02:23:23,267 INFO L262 CegarLoopResult]: For program point L385-1(lines 385 402) no Hoare annotation was computed. [2021-10-11 02:23:23,267 INFO L262 CegarLoopResult]: For program point L385-2(lines 385 402) no Hoare annotation was computed. [2021-10-11 02:23:23,267 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 02:23:23,267 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:23,267 INFO L258 CegarLoopResult]: At program point L353(lines 352 371) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:23,267 INFO L262 CegarLoopResult]: For program point L353-1(lines 353 359) no Hoare annotation was computed. [2021-10-11 02:23:23,267 INFO L258 CegarLoopResult]: At program point L353-2(lines 352 371) the Hoare annotation is: false [2021-10-11 02:23:23,268 INFO L258 CegarLoopResult]: At program point L353-3(lines 352 371) the Hoare annotation is: false [2021-10-11 02:23:23,268 INFO L258 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: false [2021-10-11 02:23:23,268 INFO L258 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2021-10-11 02:23:23,268 INFO L262 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2021-10-11 02:23:23,268 INFO L258 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2021-10-11 02:23:23,268 INFO L262 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2021-10-11 02:23:23,268 INFO L258 CegarLoopResult]: At program point L519-1(lines 519 525) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:23,268 INFO L262 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2021-10-11 02:23:23,268 INFO L258 CegarLoopResult]: At program point L553(lines 1 930) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:23,268 INFO L262 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L58-1(lines 353 359) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L389-1(lines 389 397) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L258 CegarLoopResult]: At program point L323-1(lines 353 359) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2021-10-11 02:23:23,269 INFO L262 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2021-10-11 02:23:23,270 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-11 02:23:23,270 INFO L262 CegarLoopResult]: For program point L505-3(lines 505 509) no Hoare annotation was computed. [2021-10-11 02:23:23,270 INFO L262 CegarLoopResult]: For program point L505-5(lines 505 509) no Hoare annotation was computed. [2021-10-11 02:23:23,270 INFO L262 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-10-11 02:23:23,270 INFO L262 CegarLoopResult]: For program point L505-6(lines 505 509) no Hoare annotation was computed. [2021-10-11 02:23:23,271 INFO L258 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2021-10-11 02:23:23,271 INFO L262 CegarLoopResult]: For program point L505-8(lines 505 509) no Hoare annotation was computed. [2021-10-11 02:23:23,272 INFO L258 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: false [2021-10-11 02:23:23,272 INFO L258 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2021-10-11 02:23:23,272 INFO L258 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2021-10-11 02:23:23,272 INFO L262 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2021-10-11 02:23:23,272 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2021-10-11 02:23:23,272 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:23:23,272 INFO L262 CegarLoopResult]: For program point L193-6(lines 193 197) no Hoare annotation was computed. [2021-10-11 02:23:23,273 INFO L258 CegarLoopResult]: At program point L360(lines 360 366) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:23,273 INFO L258 CegarLoopResult]: At program point L360-1(lines 360 366) the Hoare annotation is: false [2021-10-11 02:23:23,273 INFO L258 CegarLoopResult]: At program point L360-2(lines 360 366) the Hoare annotation is: false [2021-10-11 02:23:23,273 INFO L258 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:23:23,273 INFO L258 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2021-10-11 02:23:23,273 INFO L258 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2021-10-11 02:23:23,274 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:23:23,274 INFO L258 CegarLoopResult]: At program point L511(lines 496 514) the Hoare annotation is: false [2021-10-11 02:23:23,274 INFO L258 CegarLoopResult]: At program point L511-1(lines 496 514) the Hoare annotation is: false [2021-10-11 02:23:23,274 INFO L258 CegarLoopResult]: At program point L511-2(lines 496 514) the Hoare annotation is: false [2021-10-11 02:23:23,274 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-11 02:23:23,274 INFO L258 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:23,274 INFO L262 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-10-11 02:23:23,275 INFO L258 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2021-10-11 02:23:23,275 INFO L262 CegarLoopResult]: For program point L165(lines 165 178) no Hoare annotation was computed. [2021-10-11 02:23:23,275 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 02:23:23,275 INFO L258 CegarLoopResult]: At program point L165-1(lines 1 930) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv4294967294 32)) (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:23:23,275 INFO L262 CegarLoopResult]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2021-10-11 02:23:23,276 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 02:23:23,276 INFO L258 CegarLoopResult]: At program point L165-3(lines 1 930) the Hoare annotation is: false [2021-10-11 02:23:23,276 INFO L262 CegarLoopResult]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2021-10-11 02:23:23,276 INFO L258 CegarLoopResult]: At program point L165-5(lines 1 930) the Hoare annotation is: false [2021-10-11 02:23:23,276 INFO L262 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2021-10-11 02:23:23,276 INFO L262 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-10-11 02:23:23,276 INFO L262 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2021-10-11 02:23:23,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:23 BoogieIcfgContainer [2021-10-11 02:23:23,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:23,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:23,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:23,328 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:23,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:17" (3/4) ... [2021-10-11 02:23:23,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:23,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:23:23,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:23:23,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:23:23,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:23:23,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:23:23,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:23,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:23,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:23:23,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) [2021-10-11 02:23:23,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) [2021-10-11 02:23:23,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:23:23,470 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403033c7-7484-45f3-8fb5-5fa9faa5d4f2/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:23,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:23,472 INFO L168 Benchmark]: Toolchain (without parser) took 8889.18 ms. Allocated memory was 67.1 MB in the beginning and 111.1 MB in the end (delta: 44.0 MB). Free memory was 45.8 MB in the beginning and 50.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,472 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:23,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.29 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 45.5 MB in the beginning and 53.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.91 ms. Allocated memory is still 86.0 MB. Free memory was 53.6 MB in the beginning and 50.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,475 INFO L168 Benchmark]: Boogie Preprocessor took 39.14 ms. Allocated memory is still 86.0 MB. Free memory was 50.6 MB in the beginning and 48.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,476 INFO L168 Benchmark]: RCFGBuilder took 2415.04 ms. Allocated memory is still 86.0 MB. Free memory was 48.4 MB in the beginning and 47.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,476 INFO L168 Benchmark]: TraceAbstraction took 5508.88 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.5 MB in the beginning and 57.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,477 INFO L168 Benchmark]: Witness Printer took 142.62 ms. Allocated memory is still 111.1 MB. Free memory was 57.0 MB in the beginning and 50.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:23,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 67.1 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.29 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 45.5 MB in the beginning and 53.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.91 ms. Allocated memory is still 86.0 MB. Free memory was 53.6 MB in the beginning and 50.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.14 ms. Allocated memory is still 86.0 MB. Free memory was 50.6 MB in the beginning and 48.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2415.04 ms. Allocated memory is still 86.0 MB. Free memory was 48.4 MB in the beginning and 47.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5508.88 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.5 MB in the beginning and 57.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * Witness Printer took 142.62 ms. Allocated memory is still 111.1 MB. Free memory was 57.0 MB in the beginning and 50.7 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: - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 420 SDtfs, 388 SDslu, 455 SDs, 0 SdLazy, 100 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 127 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 336 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1073 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 7486 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1172 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...