./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:34,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:34,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:34,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:34,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:34,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:34,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:34,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:34,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:34,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:34,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:34,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:34,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:34,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:34,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:34,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:34,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:34,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:34,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:34,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:34,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:34,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:34,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:34,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:34,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:34,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:34,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:34,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:34,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:34,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:34,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:34,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:34,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:34,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:34,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:34,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:34,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:34,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:34,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:34,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:34,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:34,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:34,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:34,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:34,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:34,533 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:34,533 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:34,533 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:34,533 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:34,533 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:34,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:34,534 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:34,534 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:34,534 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:34,535 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:34,535 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:34,535 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:34,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:34,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:34,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:34,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:34,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:34,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:34,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:34,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:34,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:34,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:34,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:34,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:34,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:34,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:34,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:34,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:34,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:34,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:34,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:34,540 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:34,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:34,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:34,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:34,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:34,541 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_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 [2021-10-11 02:25:34,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:34,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:34,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:34,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:34,803 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:34,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-10-11 02:25:34,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/2f733a1a1/ac6d82c968074449b732f37c356ae78a/FLAGabf64a696 [2021-10-11 02:25:35,384 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:35,385 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-10-11 02:25:35,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/2f733a1a1/ac6d82c968074449b732f37c356ae78a/FLAGabf64a696 [2021-10-11 02:25:35,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/2f733a1a1/ac6d82c968074449b732f37c356ae78a [2021-10-11 02:25:35,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:35,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:35,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:35,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:35,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:35,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:35" (1/1) ... [2021-10-11 02:25:35,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc1b69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:35, skipping insertion in model container [2021-10-11 02:25:35,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:35" (1/1) ... [2021-10-11 02:25:35,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:35,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:36,183 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18337,18350] [2021-10-11 02:25:36,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:36,208 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:25:36,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21b859b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:36, skipping insertion in model container [2021-10-11 02:25:36,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:36,209 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:36,211 INFO L168 Benchmark]: Toolchain (without parser) took 480.73 ms. Allocated memory is still 123.7 MB. Free memory was 88.5 MB in the beginning and 94.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:36,212 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:36,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.26 ms. Allocated memory is still 123.7 MB. Free memory was 88.2 MB in the beginning and 94.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:36,215 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 83.9 MB. Free memory is still 41.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.26 ms. Allocated memory is still 123.7 MB. Free memory was 88.2 MB in the beginning and 94.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 137]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:38,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:38,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:38,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:38,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:38,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:38,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:38,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:38,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:38,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:38,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:38,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:38,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:38,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:38,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:38,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:38,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:38,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:38,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:38,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:38,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:38,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:38,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:38,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:38,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:38,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:38,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:38,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:38,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:38,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:38,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:38,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:38,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:38,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:38,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:38,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:38,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:38,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:38,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:38,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:38,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:38,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:38,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:38,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:38,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:38,679 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:38,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:38,679 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:38,679 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:38,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:38,680 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:38,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:38,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:38,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:38,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:38,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:38,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:38,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:38,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:38,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:38,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:38,685 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:38,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:38,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:38,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:38,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:38,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:38,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:38,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:38,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:38,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:38,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:38,687 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:38,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:38,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:38,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:38,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:38,689 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_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cb3124a923cdd866f09b8c3b7a075e2954c5f17 [2021-10-11 02:25:39,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:39,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:39,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:39,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:39,068 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:39,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-10-11 02:25:39,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/45319279e/541746b896e54308b5e634d0073b59e7/FLAG1633849ad [2021-10-11 02:25:39,670 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:39,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-10-11 02:25:39,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/45319279e/541746b896e54308b5e634d0073b59e7/FLAG1633849ad [2021-10-11 02:25:39,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/data/45319279e/541746b896e54308b5e634d0073b59e7 [2021-10-11 02:25:39,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:39,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:39,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:39,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:39,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:39,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:39" (1/1) ... [2021-10-11 02:25:39,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196f3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:39, skipping insertion in model container [2021-10-11 02:25:39,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:39" (1/1) ... [2021-10-11 02:25:40,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:40,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:40,419 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18337,18350] [2021-10-11 02:25:40,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:40,450 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:40,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:40,592 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18337,18350] [2021-10-11 02:25:40,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:40,607 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:40,658 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18337,18350] [2021-10-11 02:25:40,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:40,695 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:40,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40 WrapperNode [2021-10-11 02:25:40,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:40,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:40,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:40,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:40,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:40,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:40,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:40,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:40,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... [2021-10-11 02:25:40,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:40,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:40,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:40,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:40,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:43,540 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:43,543 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2021-10-11 02:25:43,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:43 BoogieIcfgContainer [2021-10-11 02:25:43,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:43,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:43,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:43,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:43,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:39" (1/3) ... [2021-10-11 02:25:43,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfe220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:43, skipping insertion in model container [2021-10-11 02:25:43,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40" (2/3) ... [2021-10-11 02:25:43,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfe220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:43, skipping insertion in model container [2021-10-11 02:25:43,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:43" (3/3) ... [2021-10-11 02:25:43,559 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2021-10-11 02:25:43,572 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:43,575 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:43,586 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:43,624 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:43,624 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:43,625 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:43,625 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:43,625 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:43,625 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:43,625 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:43,626 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 02:25:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:25:43,648 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:43,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:43,649 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:43,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:43,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2021-10-11 02:25:43,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:43,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413491890] [2021-10-11 02:25:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:43,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:43,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:43,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:43,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413491890] [2021-10-11 02:25:43,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:43,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:43,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227223608] [2021-10-11 02:25:43,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:43,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:43,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:43,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:43,969 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 02:25:44,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:44,031 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-11 02:25:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:44,033 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:25:44,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:44,048 INFO L225 Difference]: With dead ends: 264 [2021-10-11 02:25:44,048 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:25:44,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:44,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:25:44,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 02:25:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:25:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-11 02:25:44,114 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-11 02:25:44,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:44,114 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-11 02:25:44,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-11 02:25:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:25:44,116 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:44,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:44,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:44,333 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:44,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:44,336 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2021-10-11 02:25:44,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:44,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386461672] [2021-10-11 02:25:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:44,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:44,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:44,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:44,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386461672] [2021-10-11 02:25:44,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:44,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:44,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406927770] [2021-10-11 02:25:44,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:44,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:44,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:44,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:44,612 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2021-10-11 02:25:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:44,638 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-11 02:25:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:44,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:25:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:44,644 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:25:44,645 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:25:44,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:44,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:25:44,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:25:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:25:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:25:44,656 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-11 02:25:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:44,660 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:25:44,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:25:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:25:44,662 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:44,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:44,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:44,879 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:44,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:44,881 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2021-10-11 02:25:44,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:44,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022557325] [2021-10-11 02:25:44,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:45,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:45,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:45,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:45,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022557325] [2021-10-11 02:25:45,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:45,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:45,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530049197] [2021-10-11 02:25:45,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:45,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:45,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:45,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:45,147 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:25:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:45,155 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-11 02:25:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:45,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:25:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:45,157 INFO L225 Difference]: With dead ends: 100 [2021-10-11 02:25:45,157 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:25:45,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:25:45,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:25:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:25:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-11 02:25:45,165 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-11 02:25:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:45,166 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-11 02:25:45,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-11 02:25:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:45,167 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:45,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:45,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,384 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:45,384 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2021-10-11 02:25:45,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:45,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17669833] [2021-10-11 02:25:45,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:45,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:45,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:45,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:45,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17669833] [2021-10-11 02:25:45,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:45,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:45,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089993304] [2021-10-11 02:25:45,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:45,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:45,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:45,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:45,625 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2021-10-11 02:25:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:45,684 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-11 02:25:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:45,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:25:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:45,685 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:25:45,686 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 02:25:45,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:45,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 02:25:45,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-11 02:25:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:25:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-11 02:25:45,696 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-11 02:25:45,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:45,696 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-11 02:25:45,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-11 02:25:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:25:45,698 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:45,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:45,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:45,915 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:45,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:45,916 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2021-10-11 02:25:45,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:45,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777632017] [2021-10-11 02:25:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:46,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:46,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:46,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:46,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777632017] [2021-10-11 02:25:46,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:46,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:46,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676402091] [2021-10-11 02:25:46,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:46,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:46,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:46,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:46,155 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2021-10-11 02:25:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:46,346 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2021-10-11 02:25:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:25:46,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:25:46,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:46,349 INFO L225 Difference]: With dead ends: 372 [2021-10-11 02:25:46,350 INFO L226 Difference]: Without dead ends: 306 [2021-10-11 02:25:46,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-11 02:25:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2021-10-11 02:25:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:25:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2021-10-11 02:25:46,394 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2021-10-11 02:25:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:46,395 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2021-10-11 02:25:46,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2021-10-11 02:25:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:25:46,401 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:46,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:46,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:46,618 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:46,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:46,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2021-10-11 02:25:46,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:46,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644703197] [2021-10-11 02:25:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:46,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:46,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:46,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:46,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644703197] [2021-10-11 02:25:46,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:46,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:46,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752882647] [2021-10-11 02:25:46,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:46,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:46,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:46,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:46,918 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2021-10-11 02:25:47,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:47,129 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2021-10-11 02:25:47,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:25:47,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:25:47,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:47,132 INFO L225 Difference]: With dead ends: 378 [2021-10-11 02:25:47,132 INFO L226 Difference]: Without dead ends: 376 [2021-10-11 02:25:47,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-11 02:25:47,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-10-11 02:25:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:25:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-10-11 02:25:47,156 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2021-10-11 02:25:47,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:47,156 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-10-11 02:25:47,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:47,157 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-10-11 02:25:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:47,161 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:47,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:47,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:47,372 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:47,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:47,373 INFO L82 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2021-10-11 02:25:47,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:47,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048297554] [2021-10-11 02:25:47,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:47,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:47,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:47,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:47,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048297554] [2021-10-11 02:25:47,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:47,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:47,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894231205] [2021-10-11 02:25:47,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:47,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:47,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:47,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:47,649 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2021-10-11 02:25:47,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:47,743 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2021-10-11 02:25:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:47,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:25:47,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:47,746 INFO L225 Difference]: With dead ends: 344 [2021-10-11 02:25:47,746 INFO L226 Difference]: Without dead ends: 218 [2021-10-11 02:25:47,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:47,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-11 02:25:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2021-10-11 02:25:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-10-11 02:25:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2021-10-11 02:25:47,762 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2021-10-11 02:25:47,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:47,763 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2021-10-11 02:25:47,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-10-11 02:25:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:47,763 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:47,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:47,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:25:47,986 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:47,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:47,986 INFO L82 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2021-10-11 02:25:47,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:47,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20091988] [2021-10-11 02:25:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:48,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:48,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:48,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:48,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20091988] [2021-10-11 02:25:48,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:48,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:48,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364005109] [2021-10-11 02:25:48,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:48,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:48,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:48,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:48,253 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2021-10-11 02:25:48,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:48,322 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2021-10-11 02:25:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:48,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:25:48,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:48,325 INFO L225 Difference]: With dead ends: 340 [2021-10-11 02:25:48,325 INFO L226 Difference]: Without dead ends: 202 [2021-10-11 02:25:48,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-10-11 02:25:48,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2021-10-11 02:25:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 02:25:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2021-10-11 02:25:48,343 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2021-10-11 02:25:48,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:48,344 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2021-10-11 02:25:48,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2021-10-11 02:25:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:48,345 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:48,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:48,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,564 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:48,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:48,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2021-10-11 02:25:48,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:48,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066767974] [2021-10-11 02:25:48,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:48,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:48,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:48,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:48,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066767974] [2021-10-11 02:25:48,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:48,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:48,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634836333] [2021-10-11 02:25:48,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:48,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:48,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:48,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:48,858 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2021-10-11 02:25:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:48,910 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2021-10-11 02:25:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:48,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:25:48,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:48,912 INFO L225 Difference]: With dead ends: 348 [2021-10-11 02:25:48,913 INFO L226 Difference]: Without dead ends: 202 [2021-10-11 02:25:48,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:48,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-10-11 02:25:48,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2021-10-11 02:25:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-10-11 02:25:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2021-10-11 02:25:48,939 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2021-10-11 02:25:48,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:48,939 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2021-10-11 02:25:48,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2021-10-11 02:25:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:25:48,940 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:48,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:49,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:25:49,160 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:49,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:49,160 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2021-10-11 02:25:49,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:49,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283195969] [2021-10-11 02:25:49,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:49,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:49,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:49,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:49,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283195969] [2021-10-11 02:25:49,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:49,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:25:49,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698307754] [2021-10-11 02:25:49,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:49,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:49,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:49,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:49,434 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 6 states. [2021-10-11 02:25:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:51,174 INFO L93 Difference]: Finished difference Result 612 states and 800 transitions. [2021-10-11 02:25:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:25:51,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:25:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:51,178 INFO L225 Difference]: With dead ends: 612 [2021-10-11 02:25:51,178 INFO L226 Difference]: Without dead ends: 416 [2021-10-11 02:25:51,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:25:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-11 02:25:51,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 202. [2021-10-11 02:25:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-10-11 02:25:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2021-10-11 02:25:51,208 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2021-10-11 02:25:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:51,208 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2021-10-11 02:25:51,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:25:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2021-10-11 02:25:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:25:51,209 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:51,210 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:51,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,426 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:51,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:51,426 INFO L82 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2021-10-11 02:25:51,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:51,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038376919] [2021-10-11 02:25:51,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:51,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:51,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:51,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:51,763 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:51,765 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:51,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038376919] [2021-10-11 02:25:51,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [175566588] [2021-10-11 02:25:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:52,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:52,271 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:52,271 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:52,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912711227] [2021-10-11 02:25:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:52,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:52,572 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:52,572 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:52,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:25:52,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-11 02:25:52,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433473643] [2021-10-11 02:25:52,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:25:52,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:52,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:25:52,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:25:52,631 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 8 states. [2021-10-11 02:25:56,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:56,435 INFO L93 Difference]: Finished difference Result 1711 states and 2258 transitions. [2021-10-11 02:25:56,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-11 02:25:56,436 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2021-10-11 02:25:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:56,445 INFO L225 Difference]: With dead ends: 1711 [2021-10-11 02:25:56,446 INFO L226 Difference]: Without dead ends: 1565 [2021-10-11 02:25:56,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-10-11 02:25:56,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2021-10-11 02:25:56,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 496. [2021-10-11 02:25:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2021-10-11 02:25:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 658 transitions. [2021-10-11 02:25:56,533 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 658 transitions. Word has length 56 [2021-10-11 02:25:56,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:56,533 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 658 transitions. [2021-10-11 02:25:56,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:25:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 658 transitions. [2021-10-11 02:25:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:25:56,534 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:56,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:57,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:25:57,157 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:57,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:57,158 INFO L82 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2021-10-11 02:25:57,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:57,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003114532] [2021-10-11 02:25:57,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:57,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:57,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:25:57,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:57,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003114532] [2021-10-11 02:25:57,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:57,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:57,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809009536] [2021-10-11 02:25:57,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:57,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:57,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:57,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:57,432 INFO L87 Difference]: Start difference. First operand 496 states and 658 transitions. Second operand 5 states. [2021-10-11 02:25:57,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:57,551 INFO L93 Difference]: Finished difference Result 830 states and 1075 transitions. [2021-10-11 02:25:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:57,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-10-11 02:25:57,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:57,552 INFO L225 Difference]: With dead ends: 830 [2021-10-11 02:25:57,552 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:57,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:57,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:57,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:25:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:57,555 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:57,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:57,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:57,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2021-10-11 02:25:57,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:58,184 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2021-10-11 02:25:58,353 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-10-11 02:25:58,568 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 117 [2021-10-11 02:25:58,695 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-10-11 02:25:58,817 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-10-11 02:25:59,033 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 117 [2021-10-11 02:25:59,270 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 115 [2021-10-11 02:25:59,402 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2021-10-11 02:26:00,337 WARN L197 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2021-10-11 02:26:00,531 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2021-10-11 02:26:01,045 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2021-10-11 02:26:01,806 WARN L197 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2021-10-11 02:26:02,487 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 33 [2021-10-11 02:26:03,167 WARN L197 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 33 [2021-10-11 02:26:03,368 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2021-10-11 02:26:04,033 WARN L197 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2021-10-11 02:26:04,689 WARN L197 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 27 [2021-10-11 02:26:04,919 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2021-10-11 02:26:05,217 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2021-10-11 02:26:05,223 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2021-10-11 02:26:05,223 INFO L258 CegarLoopResult]: At program point L961(lines 956 964) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:26:05,223 INFO L258 CegarLoopResult]: At program point L961-1(lines 956 964) the Hoare annotation is: false [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L961-2(lines 956 964) the Hoare annotation is: false [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L565(lines 565 571) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse3 .cse5 .cse4))) [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: false [2021-10-11 02:26:05,224 INFO L262 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L565-2(lines 565 571) the Hoare annotation is: false [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L499-1(lines 499 505) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse1 .cse7 .cse3 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6 .cse5))) [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L104(lines 99 107) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:05,224 INFO L258 CegarLoopResult]: At program point L535(lines 488 536) the Hoare annotation is: false [2021-10-11 02:26:05,224 INFO L262 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,225 INFO L262 CegarLoopResult]: For program point L736-2(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,225 INFO L262 CegarLoopResult]: For program point L736-3(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,225 INFO L262 CegarLoopResult]: For program point L736-5(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,225 INFO L262 CegarLoopResult]: For program point L736-6(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,225 INFO L262 CegarLoopResult]: For program point L736-8(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,225 INFO L262 CegarLoopResult]: For program point L736-9(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,226 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2021-10-11 02:26:05,226 INFO L262 CegarLoopResult]: For program point L736-11(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L736-12(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L736-14(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L736-15(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L736-17(lines 736 740) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2021-10-11 02:26:05,227 INFO L262 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2021-10-11 02:26:05,228 INFO L262 CegarLoopResult]: For program point L970-2(line 970) no Hoare annotation was computed. [2021-10-11 02:26:05,228 INFO L262 CegarLoopResult]: For program point L509(lines 509 515) no Hoare annotation was computed. [2021-10-11 02:26:05,228 INFO L258 CegarLoopResult]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse1 .cse5 .cse6 .cse4 .cse3))) [2021-10-11 02:26:05,228 INFO L258 CegarLoopResult]: At program point L906(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-1(lines 901 909) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-2(lines 901 909) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5))) [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-3(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-4(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-5(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-6(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-7(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L906-8(lines 901 909) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L742(lines 727 745) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L742-1(lines 727 745) the Hoare annotation is: (let ((.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse8 .cse3 .cse5 .cse6))) [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L742-2(lines 727 745) the Hoare annotation is: false [2021-10-11 02:26:05,229 INFO L258 CegarLoopResult]: At program point L742-3(lines 727 745) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L742-4(lines 727 745) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L742-5(lines 727 745) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L777-2(lines 777 791) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L678(lines 671 681) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L678-1(lines 671 681) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L678-2(lines 671 681) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L678-3(lines 671 681) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L678-4(lines 671 681) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L678-5(lines 671 681) the Hoare annotation is: false [2021-10-11 02:26:05,230 INFO L262 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2021-10-11 02:26:05,230 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:05,230 INFO L262 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:26:05,230 INFO L258 CegarLoopResult]: At program point L53-1(lines 1 973) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse6 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse1 .cse7 .cse3 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6 .cse5))) [2021-10-11 02:26:05,230 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L258 CegarLoopResult]: At program point L53-3(lines 1 973) the Hoare annotation is: false [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L258 CegarLoopResult]: At program point L53-5(lines 1 973) the Hoare annotation is: false [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L946-1(lines 946 952) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L946-2(lines 946 952) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L946-3(lines 946 952) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L946-4(lines 946 952) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L946-5(lines 946 952) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L781-1(lines 558 564) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L616-1(lines 616 633) no Hoare annotation was computed. [2021-10-11 02:26:05,231 INFO L262 CegarLoopResult]: For program point L616-2(lines 616 633) no Hoare annotation was computed. [2021-10-11 02:26:05,232 INFO L262 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:26:05,232 INFO L262 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2021-10-11 02:26:05,232 INFO L265 CegarLoopResult]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2021-10-11 02:26:05,232 INFO L262 CegarLoopResult]: For program point L519(lines 519 530) no Hoare annotation was computed. [2021-10-11 02:26:05,232 INFO L262 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:26:05,232 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:26:05,233 INFO L262 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:26:05,233 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:05,233 INFO L262 CegarLoopResult]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-10-11 02:26:05,233 INFO L262 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2021-10-11 02:26:05,234 INFO L262 CegarLoopResult]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2021-10-11 02:26:05,234 INFO L262 CegarLoopResult]: For program point L620-1(lines 620 628) no Hoare annotation was computed. [2021-10-11 02:26:05,234 INFO L262 CegarLoopResult]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2021-10-11 02:26:05,234 INFO L262 CegarLoopResult]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2021-10-11 02:26:05,235 INFO L262 CegarLoopResult]: For program point L653-6(lines 653 659) no Hoare annotation was computed. [2021-10-11 02:26:05,235 INFO L262 CegarLoopResult]: For program point L653-8(lines 653 659) no Hoare annotation was computed. [2021-10-11 02:26:05,235 INFO L262 CegarLoopResult]: For program point L653-10(lines 653 659) no Hoare annotation was computed. [2021-10-11 02:26:05,236 INFO L258 CegarLoopResult]: At program point L951(lines 942 955) the Hoare annotation is: false [2021-10-11 02:26:05,236 INFO L258 CegarLoopResult]: At program point L951-1(lines 942 955) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse7 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse7 .cse4))) [2021-10-11 02:26:05,236 INFO L258 CegarLoopResult]: At program point L951-2(lines 942 955) the Hoare annotation is: false [2021-10-11 02:26:05,236 INFO L258 CegarLoopResult]: At program point L951-3(lines 942 955) the Hoare annotation is: false [2021-10-11 02:26:05,236 INFO L258 CegarLoopResult]: At program point L951-4(lines 942 955) the Hoare annotation is: false [2021-10-11 02:26:05,236 INFO L258 CegarLoopResult]: At program point L951-5(lines 942 955) the Hoare annotation is: false [2021-10-11 02:26:05,237 INFO L258 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4 .cse5))) [2021-10-11 02:26:05,237 INFO L258 CegarLoopResult]: At program point L687-1(lines 682 690) the Hoare annotation is: false [2021-10-11 02:26:05,237 INFO L258 CegarLoopResult]: At program point L687-2(lines 682 690) the Hoare annotation is: false [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L490(lines 489 534) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L755-2(lines 755 759) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L755-3(lines 755 759) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L590(lines 590 607) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L755-5(lines 755 759) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L590-1(lines 590 607) no Hoare annotation was computed. [2021-10-11 02:26:05,238 INFO L262 CegarLoopResult]: For program point L755-6(lines 755 759) no Hoare annotation was computed. [2021-10-11 02:26:05,239 INFO L262 CegarLoopResult]: For program point L590-2(lines 590 607) no Hoare annotation was computed. [2021-10-11 02:26:05,239 INFO L262 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-11 02:26:05,239 INFO L262 CegarLoopResult]: For program point L590-3(lines 590 607) no Hoare annotation was computed. [2021-10-11 02:26:05,239 INFO L262 CegarLoopResult]: For program point L755-8(lines 755 759) no Hoare annotation was computed. [2021-10-11 02:26:05,239 INFO L262 CegarLoopResult]: For program point L590-4(lines 590 607) no Hoare annotation was computed. [2021-10-11 02:26:05,240 INFO L262 CegarLoopResult]: For program point L590-5(lines 590 607) no Hoare annotation was computed. [2021-10-11 02:26:05,240 INFO L258 CegarLoopResult]: At program point L558(lines 557 576) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse5 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4))) [2021-10-11 02:26:05,240 INFO L262 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2021-10-11 02:26:05,240 INFO L262 CegarLoopResult]: For program point L558-1(lines 558 564) no Hoare annotation was computed. [2021-10-11 02:26:05,240 INFO L258 CegarLoopResult]: At program point L558-2(lines 557 576) the Hoare annotation is: false [2021-10-11 02:26:05,240 INFO L262 CegarLoopResult]: For program point L525-2(lines 558 564) no Hoare annotation was computed. [2021-10-11 02:26:05,240 INFO L258 CegarLoopResult]: At program point L558-3(lines 557 576) the Hoare annotation is: false [2021-10-11 02:26:05,241 INFO L258 CegarLoopResult]: At program point L96(lines 1 973) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:05,241 INFO L265 CegarLoopResult]: At program point L857(lines 838 860) the Hoare annotation is: true [2021-10-11 02:26:05,241 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L258 CegarLoopResult]: At program point L825(lines 821 827) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L594(lines 594 602) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L594-1(lines 594 602) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L594-2(lines 594 602) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L594-3(lines 594 602) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L594-4(lines 594 602) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L594-5(lines 594 602) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L262 CegarLoopResult]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-10-11 02:26:05,242 INFO L258 CegarLoopResult]: At program point L761(lines 746 764) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-11 02:26:05,243 INFO L258 CegarLoopResult]: At program point L761-1(lines 746 764) the Hoare annotation is: false [2021-10-11 02:26:05,243 INFO L258 CegarLoopResult]: At program point L761-2(lines 746 764) the Hoare annotation is: false [2021-10-11 02:26:05,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:05 BoogieIcfgContainer [2021-10-11 02:26:05,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:05,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:05,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:05,289 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:05,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:43" (3/4) ... [2021-10-11 02:26:05,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:05,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:05,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:05,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:05,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:05,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:05,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:05,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:05,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,349 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:26:05,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:26:05,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:26:05,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:05,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4a23db-94dc-4cfd-bfad-3f8606d5d9f8/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:05,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:05,426 INFO L168 Benchmark]: Toolchain (without parser) took 25443.76 ms. Allocated memory was 62.9 MB in the beginning and 163.6 MB in the end (delta: 100.7 MB). Free memory was 41.9 MB in the beginning and 65.8 MB in the end (delta: -23.8 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,426 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:05,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.12 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 34.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.09 ms. Allocated memory is still 62.9 MB. Free memory was 34.0 MB in the beginning and 30.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,427 INFO L168 Benchmark]: Boogie Preprocessor took 83.91 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 27.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,428 INFO L168 Benchmark]: RCFGBuilder took 2656.19 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 52.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,428 INFO L168 Benchmark]: TraceAbstraction took 21739.80 ms. Allocated memory was 75.5 MB in the beginning and 163.6 MB in the end (delta: 88.1 MB). Free memory was 51.8 MB in the beginning and 77.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,429 INFO L168 Benchmark]: Witness Printer took 136.03 ms. Allocated memory is still 163.6 MB. Free memory was 77.3 MB in the beginning and 65.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:05,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 713.12 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 34.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.09 ms. Allocated memory is still 62.9 MB. Free memory was 34.0 MB in the beginning and 30.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.91 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 27.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2656.19 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 52.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21739.80 ms. Allocated memory was 75.5 MB in the beginning and 163.6 MB in the end (delta: 88.1 MB). Free memory was 51.8 MB in the beginning and 77.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 16.1 GB. * Witness Printer took 136.03 ms. Allocated memory is still 163.6 MB. Free memory was 77.3 MB in the beginning and 65.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 970]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 970]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 970]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == tmp && splverifierCounter == 0bv32) && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1429 SDtfs, 2232 SDslu, 2660 SDs, 0 SdLazy, 428 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 694 GetRequests, 633 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1827 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 175 NumberOfFragments, 1085 HoareAnnotationTreeSize, 54 FomulaSimplifications, 444396 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 130909 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 89079 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3047 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 62/98 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...