./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8 --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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:32:51,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:32:51,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:32:52,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:32:52,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:32:52,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:32:52,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:32:52,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:32:52,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:32:52,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:32:52,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:32:52,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:32:52,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:32:52,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:32:52,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:32:52,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:32:52,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:32:52,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:32:52,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:32:52,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:32:52,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:32:52,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:32:52,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:32:52,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:32:52,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:32:52,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:32:52,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:32:52,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:32:52,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:32:52,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:32:52,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:32:52,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:32:52,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:32:52,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:32:52,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:32:52,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:32:52,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:32:52,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:32:52,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:32:52,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:32:52,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:32:52,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:32:52,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:32:52,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:32:52,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:32:52,153 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:32:52,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:32:52,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:32:52,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:32:52,154 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:32:52,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:32:52,161 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:32:52,162 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:32:52,163 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:32:52,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:32:52,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:32:52,163 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:32:52,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:32:52,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:32:52,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:32:52,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:32:52,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:32:52,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:32:52,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:32:52,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:32:52,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:32:52,166 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:32:52,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:32:52,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:32:52,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:32:52,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:32:52,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:32:52,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:32:52,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:32:52,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:32:52,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:32:52,171 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:32:52,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:32:52,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:32:52,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:32:52,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:32:52,172 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_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2021-11-07 01:32:52,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:32:52,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:32:52,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:32:52,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:32:52,515 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:32:52,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-11-07 01:32:52,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/74b44cc31/81811ab93ab545728ae5657e6fb23344/FLAGca5aaa341 [2021-11-07 01:32:53,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:32:53,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-11-07 01:32:53,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/74b44cc31/81811ab93ab545728ae5657e6fb23344/FLAGca5aaa341 [2021-11-07 01:32:53,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/74b44cc31/81811ab93ab545728ae5657e6fb23344 [2021-11-07 01:32:53,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:32:53,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:32:53,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:53,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:32:53,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:32:53,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:53" (1/1) ... [2021-11-07 01:32:53,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edeaa75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:53, skipping insertion in model container [2021-11-07 01:32:53,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:53" (1/1) ... [2021-11-07 01:32:53,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:32:53,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:32:53,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-11-07 01:32:53,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:53,939 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) [2021-11-07 01:32:53,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6138a7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:53, skipping insertion in model container [2021-11-07 01:32:53,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:53,947 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:32:53,950 INFO L168 Benchmark]: Toolchain (without parser) took 515.06 ms. Allocated memory is still 98.6 MB. Free memory was 60.1 MB in the beginning and 69.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:53,951 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:32:53,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.74 ms. Allocated memory is still 98.6 MB. Free memory was 59.9 MB in the beginning and 69.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:53,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.74 ms. Allocated memory is still 98.6 MB. Free memory was 59.9 MB in the beginning and 69.7 MB in the end (delta: -9.8 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: 520]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8 --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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:32:56,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:32:56,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:32:56,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:32:56,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:32:56,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:32:56,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:32:56,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:32:56,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:32:56,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:32:56,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:32:56,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:32:56,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:32:56,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:32:56,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:32:56,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:32:56,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:32:56,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:32:56,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:32:56,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:32:56,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:32:56,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:32:56,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:32:56,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:32:56,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:32:56,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:32:56,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:32:56,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:32:56,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:32:56,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:32:56,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:32:56,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:32:56,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:32:56,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:32:56,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:32:56,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:32:56,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:32:56,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:32:56,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:32:56,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:32:56,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:32:56,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:32:56,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:32:56,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:32:56,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:32:56,629 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:32:56,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:32:56,630 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:32:56,630 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:32:56,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:32:56,630 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:32:56,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:32:56,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:32:56,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:32:56,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:32:56,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:32:56,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:32:56,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:32:56,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:32:56,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:32:56,635 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:32:56,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:32:56,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:32:56,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:32:56,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:32:56,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:32:56,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:32:56,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:32:56,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:32:56,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:32:56,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:32:56,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:32:56,638 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:32:56,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:32:56,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:32:56,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:32:56,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:32:56,640 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_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2021-11-07 01:32:57,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:32:57,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:32:57,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:32:57,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:32:57,130 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:32:57,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-11-07 01:32:57,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/f6575bcee/29e8481a1e0a4532888366af057574b9/FLAGbe518fefd [2021-11-07 01:32:57,979 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:32:57,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2021-11-07 01:32:58,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/f6575bcee/29e8481a1e0a4532888366af057574b9/FLAGbe518fefd [2021-11-07 01:32:58,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/data/f6575bcee/29e8481a1e0a4532888366af057574b9 [2021-11-07 01:32:58,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:32:58,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:32:58,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:58,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:32:58,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:32:58,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:58,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c985c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58, skipping insertion in model container [2021-11-07 01:32:58,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:58,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:32:58,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:32:58,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-11-07 01:32:58,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:58,645 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:32:58,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:32:58,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-11-07 01:32:58,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:58,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:32:58,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2021-11-07 01:32:58,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:58,938 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:32:58,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58 WrapperNode [2021-11-07 01:32:58,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:58,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:32:58,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:32:58,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:32:58,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:58,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:32:59,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:32:59,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:32:59,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:32:59,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:32:59,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:32:59,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:32:59,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:32:59,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (1/1) ... [2021-11-07 01:32:59,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:32:59,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:32:59,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:32:59,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:32:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:32:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:32:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:33:02,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:33:02,103 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-07 01:33:02,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:02 BoogieIcfgContainer [2021-11-07 01:33:02,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:33:02,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:33:02,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:33:02,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:33:02,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:32:58" (1/3) ... [2021-11-07 01:33:02,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11190a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:02, skipping insertion in model container [2021-11-07 01:33:02,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:58" (2/3) ... [2021-11-07 01:33:02,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11190a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:02, skipping insertion in model container [2021-11-07 01:33:02,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:02" (3/3) ... [2021-11-07 01:33:02,116 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2021-11-07 01:33:02,123 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:33:02,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:33:02,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:33:02,192 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:33:02,192 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:33:02,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:33:02,215 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:02,216 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:33:02,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:33:02,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:02,231 INFO L85 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-11-07 01:33:02,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:02,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384007643] [2021-11-07 01:33:02,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:02,250 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:02,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:02,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:02,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:33:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:02,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:33:02,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:02,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:02,731 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:02,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384007643] [2021-11-07 01:33:02,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384007643] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:02,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:02,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:33:02,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213618410] [2021-11-07 01:33:02,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:33:02,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:02,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:33:02,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:33:02,764 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:02,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:02,806 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-11-07 01:33:02,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:33:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:33:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:02,826 INFO L225 Difference]: With dead ends: 144 [2021-11-07 01:33:02,826 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:33:02,831 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:33:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:33:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:33:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-11-07 01:33:02,886 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-11-07 01:33:02,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:02,887 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-07 01:33:02,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-11-07 01:33:02,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:33:02,891 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:02,891 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:33:02,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:03,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:03,113 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:33:03,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:03,114 INFO L85 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-11-07 01:33:03,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:03,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119968476] [2021-11-07 01:33:03,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:03,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:03,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:03,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:03,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:33:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:03,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:33:03,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:03,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:03,499 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:03,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119968476] [2021-11-07 01:33:03,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119968476] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:03,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:03,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:33:03,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667909130] [2021-11-07 01:33:03,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:33:03,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:03,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:33:03,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:03,511 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:03,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:03,545 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-11-07 01:33:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:33:03,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:33:03,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:03,547 INFO L225 Difference]: With dead ends: 71 [2021-11-07 01:33:03,547 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:33:03,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:03,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:33:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:33:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:33:03,565 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-11-07 01:33:03,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:03,566 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:33:03,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:33:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:33:03,568 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:03,572 INFO L513 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] [2021-11-07 01:33:03,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:03,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:03,788 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:33:03,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:03,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-11-07 01:33:03,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:03,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759692592] [2021-11-07 01:33:03,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:03,803 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:03,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:03,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:03,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:33:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:04,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:33:04,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:04,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:04,195 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:04,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759692592] [2021-11-07 01:33:04,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759692592] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:04,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:04,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:33:04,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172513167] [2021-11-07 01:33:04,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:33:04,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:04,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:33:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:04,200 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:04,248 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-11-07 01:33:04,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:33:04,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:33:04,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:04,249 INFO L225 Difference]: With dead ends: 60 [2021-11-07 01:33:04,249 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:33:04,250 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:04,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:33:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:33:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:04,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:33:04,255 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-11-07 01:33:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:04,255 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:33:04,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:33:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:33:04,256 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:04,257 INFO L513 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] [2021-11-07 01:33:04,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:04,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:04,470 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:33:04,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:04,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-11-07 01:33:04,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:04,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19731517] [2021-11-07 01:33:04,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:04,472 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:04,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:04,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:33:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:04,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:33:04,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:04,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:04,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:04,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19731517] [2021-11-07 01:33:04,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19731517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:04,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:04,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:33:04,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414549618] [2021-11-07 01:33:04,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:33:04,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:04,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:33:04,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:33:04,930 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:05,054 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-11-07 01:33:05,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:33:05,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-07 01:33:05,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:05,056 INFO L225 Difference]: With dead ends: 151 [2021-11-07 01:33:05,056 INFO L226 Difference]: Without dead ends: 124 [2021-11-07 01:33:05,057 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:33:05,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-07 01:33:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-11-07 01:33:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 55 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-11-07 01:33:05,069 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-11-07 01:33:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:05,069 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-11-07 01:33:05,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-11-07 01:33:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:33:05,071 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:05,071 INFO L513 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] [2021-11-07 01:33:05,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:05,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:05,293 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:33:05,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-11-07 01:33:05,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:05,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561828463] [2021-11-07 01:33:05,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:05,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:05,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:05,295 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:05,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:33:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:05,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:33:05,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:05,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:05,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:05,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561828463] [2021-11-07 01:33:05,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561828463] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:05,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:05,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:33:05,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350090279] [2021-11-07 01:33:05,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:33:05,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:33:05,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:33:05,741 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:05,863 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-11-07 01:33:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:33:05,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:33:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:05,865 INFO L225 Difference]: With dead ends: 148 [2021-11-07 01:33:05,865 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:33:05,869 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:33:05,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:33:05,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:33:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:33:05,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-07 01:33:05,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:05,870 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:33:05,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:33:05,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:33:05,873 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:33:05,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:33:05,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:33:05,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:06,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:06,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:33:06,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:06,482 INFO L857 garLoopResultBuilder]: For program point L101-6(lines 101 105) no Hoare annotation was computed. [2021-11-07 01:33:06,483 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2021-11-07 01:33:06,483 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2021-11-07 01:33:06,483 INFO L853 garLoopResultBuilder]: At program point L878-1(lines 878 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,483 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:33:06,483 INFO L857 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2021-11-07 01:33:06,484 INFO L857 garLoopResultBuilder]: For program point L929-1(line 929) no Hoare annotation was computed. [2021-11-07 01:33:06,484 INFO L857 garLoopResultBuilder]: For program point L929-2(line 929) no Hoare annotation was computed. [2021-11-07 01:33:06,484 INFO L853 garLoopResultBuilder]: At program point L138(lines 133 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,484 INFO L853 garLoopResultBuilder]: At program point L138-1(lines 133 141) the Hoare annotation is: false [2021-11-07 01:33:06,484 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 133 141) the Hoare annotation is: false [2021-11-07 01:33:06,484 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 911) no Hoare annotation was computed. [2021-11-07 01:33:06,484 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2021-11-07 01:33:06,485 INFO L857 garLoopResultBuilder]: For program point L353-1(lines 353 370) no Hoare annotation was computed. [2021-11-07 01:33:06,485 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 370) no Hoare annotation was computed. [2021-11-07 01:33:06,485 INFO L853 garLoopResultBuilder]: At program point L321(lines 320 339) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,485 INFO L857 garLoopResultBuilder]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2021-11-07 01:33:06,485 INFO L853 garLoopResultBuilder]: At program point L321-2(lines 320 339) the Hoare annotation is: false [2021-11-07 01:33:06,485 INFO L853 garLoopResultBuilder]: At program point L321-3(lines 320 339) the Hoare annotation is: false [2021-11-07 01:33:06,486 INFO L853 garLoopResultBuilder]: At program point L916(lines 867 917) the Hoare annotation is: false [2021-11-07 01:33:06,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:33:06,486 INFO L860 garLoopResultBuilder]: At program point L306(lines 287 309) the Hoare annotation is: true [2021-11-07 01:33:06,486 INFO L853 garLoopResultBuilder]: At program point L273(lines 269 275) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,486 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 932) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,486 INFO L853 garLoopResultBuilder]: At program point L224-2(lines 224 238) the Hoare annotation is: false [2021-11-07 01:33:06,487 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-11-07 01:33:06,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2021-11-07 01:33:06,487 INFO L857 garLoopResultBuilder]: For program point L869(lines 868 915) no Hoare annotation was computed. [2021-11-07 01:33:06,487 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2021-11-07 01:33:06,487 INFO L857 garLoopResultBuilder]: For program point L357-1(lines 357 365) no Hoare annotation was computed. [2021-11-07 01:33:06,487 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 365) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2021-11-07 01:33:06,488 INFO L857 garLoopResultBuilder]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2021-11-07 01:33:06,489 INFO L853 garLoopResultBuilder]: At program point L424(lines 419 427) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,489 INFO L853 garLoopResultBuilder]: At program point L424-1(lines 419 427) the Hoare annotation is: false [2021-11-07 01:33:06,489 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 874) no Hoare annotation was computed. [2021-11-07 01:33:06,489 INFO L853 garLoopResultBuilder]: At program point L424-2(lines 419 427) the Hoare annotation is: false [2021-11-07 01:33:06,489 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:33:06,489 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2021-11-07 01:33:06,489 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 1 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,490 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2021-11-07 01:33:06,490 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 1 932) the Hoare annotation is: false [2021-11-07 01:33:06,490 INFO L857 garLoopResultBuilder]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2021-11-07 01:33:06,490 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 1 932) the Hoare annotation is: false [2021-11-07 01:33:06,490 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-11-07 01:33:06,490 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,490 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-11-07 01:33:06,491 INFO L857 garLoopResultBuilder]: For program point L228-1(lines 321 327) no Hoare annotation was computed. [2021-11-07 01:33:06,491 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: false [2021-11-07 01:33:06,491 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 174 182) the Hoare annotation is: false [2021-11-07 01:33:06,491 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-11-07 01:33:06,491 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 174 182) the Hoare annotation is: false [2021-11-07 01:33:06,491 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-11-07 01:33:06,492 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 321 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,492 INFO L853 garLoopResultBuilder]: At program point L328(lines 328 334) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,492 INFO L853 garLoopResultBuilder]: At program point L328-1(lines 328 334) the Hoare annotation is: false [2021-11-07 01:33:06,492 INFO L853 garLoopResultBuilder]: At program point L328-2(lines 328 334) the Hoare annotation is: false [2021-11-07 01:33:06,492 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:33:06,492 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2021-11-07 01:33:06,492 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 304) no Hoare annotation was computed. [2021-11-07 01:33:06,493 INFO L860 garLoopResultBuilder]: At program point L297-1(lines 297 304) the Hoare annotation is: true [2021-11-07 01:33:06,493 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2021-11-07 01:33:06,493 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2021-11-07 01:33:06,493 INFO L857 garLoopResultBuilder]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2021-11-07 01:33:06,493 INFO L853 garLoopResultBuilder]: At program point L479(lines 464 482) the Hoare annotation is: false [2021-11-07 01:33:06,493 INFO L853 garLoopResultBuilder]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2021-11-07 01:33:06,493 INFO L853 garLoopResultBuilder]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2021-11-07 01:33:06,494 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:33:06,494 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-11-07 01:33:06,494 INFO L857 garLoopResultBuilder]: For program point L101-3(lines 101 105) no Hoare annotation was computed. [2021-11-07 01:33:06,498 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:33:06,499 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:33:06,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:33:06 BoogieIcfgContainer [2021-11-07 01:33:06,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:33:06,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:33:06,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:33:06,518 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:33:06,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:02" (3/4) ... [2021-11-07 01:33:06,523 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:33:06,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:33:06,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:33:06,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:33:06,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:33:06,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:33:06,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:33:06,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:33:06,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:33:06,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:33:06,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:33:06,630 INFO L168 Benchmark]: Toolchain (without parser) took 8417.19 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.7 MB in the beginning and 94.9 MB in the end (delta: -39.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,630 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 73.0 MB in the beginning and 72.9 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:33:06,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.11 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 61.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.43 ms. Allocated memory is still 92.3 MB. Free memory was 61.2 MB in the beginning and 58.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,631 INFO L168 Benchmark]: Boogie Preprocessor took 79.44 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 55.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,632 INFO L168 Benchmark]: RCFGBuilder took 2989.46 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.8 MB in the beginning and 95.6 MB in the end (delta: -39.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,632 INFO L168 Benchmark]: TraceAbstraction took 4409.06 ms. Allocated memory is still 117.4 MB. Free memory was 95.0 MB in the beginning and 49.0 MB in the end (delta: 45.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,633 INFO L168 Benchmark]: Witness Printer took 109.96 ms. Allocated memory is still 117.4 MB. Free memory was 49.0 MB in the beginning and 94.9 MB in the end (delta: -45.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:06,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 73.0 MB in the beginning and 72.9 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.11 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 61.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.43 ms. Allocated memory is still 92.3 MB. Free memory was 61.2 MB in the beginning and 58.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.44 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 55.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2989.46 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.8 MB in the beginning and 95.6 MB in the end (delta: -39.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4409.06 ms. Allocated memory is still 117.4 MB. Free memory was 95.0 MB in the beginning and 49.0 MB in the end (delta: 45.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * Witness Printer took 109.96 ms. Allocated memory is still 117.4 MB. Free memory was 49.0 MB in the beginning and 94.9 MB in the end (delta: -45.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 929]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 929]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 929]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 367 SDslu, 269 SDs, 0 SdLazy, 39 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1295 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:33:06,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5c96a7-2eb6-42df-ba04-3afcca5b769d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE