./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 2d6bd7a2d1728d381423fedea6f747367a642c2a ............................................................................................................................................ 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 2d6bd7a2d1728d381423fedea6f747367a642c2a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:25:18,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:18,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:18,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:18,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:18,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:18,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:18,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:18,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:18,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:18,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:18,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:18,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:18,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:18,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:18,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:18,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:18,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:18,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:18,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:18,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:18,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:18,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:18,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:18,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:18,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:18,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:18,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:18,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:18,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:18,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:18,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:18,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:18,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:18,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:18,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:18,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:18,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:18,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:18,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:18,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:18,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:18,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:18,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:18,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:18,441 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:18,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:18,442 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:18,442 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:18,442 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:18,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:18,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:18,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:18,443 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:18,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:18,444 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:18,444 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:18,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:18,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:18,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:18,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:18,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:18,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:18,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:18,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:18,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:18,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:18,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:18,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:18,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:18,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:18,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:18,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:18,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:18,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:18,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:18,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:18,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:18,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:18,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:18,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:18,450 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d6bd7a2d1728d381423fedea6f747367a642c2a [2021-10-11 02:25:18,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:18,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:18,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:18,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:18,799 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:18,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-10-11 02:25:18,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/b5fdc2ec1/9418835d67c54acc8f324812a2ddfbfa/FLAG401be96eb [2021-10-11 02:25:19,389 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:19,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-10-11 02:25:19,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/b5fdc2ec1/9418835d67c54acc8f324812a2ddfbfa/FLAG401be96eb [2021-10-11 02:25:19,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/b5fdc2ec1/9418835d67c54acc8f324812a2ddfbfa [2021-10-11 02:25:19,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:19,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:19,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:19,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:19,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:19,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:19" (1/1) ... [2021-10-11 02:25:19,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23780569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:19, skipping insertion in model container [2021-10-11 02:25:19,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:19" (1/1) ... [2021-10-11 02:25:19,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:19,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:20,025 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2021-10-11 02:25:20,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:20,118 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 02:25:20,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5edaec84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:20, skipping insertion in model container [2021-10-11 02:25:20,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:20,119 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:20,122 INFO L168 Benchmark]: Toolchain (without parser) took 420.36 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 41.2 MB in the beginning and 69.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,123 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 77.6 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:20,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.87 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 41.0 MB in the beginning and 69.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 77.6 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.87 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 41.0 MB in the beginning and 69.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 652]: 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 02:25:22,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:22,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:22,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:22,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:22,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:22,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:22,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:22,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:22,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:22,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:22,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:22,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:22,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:22,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:22,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:22,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:22,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:22,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:22,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:22,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:22,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:22,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:22,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:22,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:22,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:22,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:22,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:22,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:22,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:22,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:22,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:22,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:22,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:22,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:22,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:22,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:22,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:22,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:22,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:22,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:22,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:22,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:22,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:22,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:22,651 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:22,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:22,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:22,652 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:22,652 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:22,653 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:22,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:22,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:22,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:22,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:22,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:22,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:22,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:22,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:22,659 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:22,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:22,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:22,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:22,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:22,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:22,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:22,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:22,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:22,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:22,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:22,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:22,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:22,664 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:22,664 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:22,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:22,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:22,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:22,665 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d6bd7a2d1728d381423fedea6f747367a642c2a [2021-10-11 02:25:23,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:23,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:23,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:23,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:23,156 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:23,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-10-11 02:25:23,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/2fe3b6d48/abc1581dad6c49cf8d2ed9dab5f99d1f/FLAGfa9bc344f [2021-10-11 02:25:23,800 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:23,801 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-10-11 02:25:23,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/2fe3b6d48/abc1581dad6c49cf8d2ed9dab5f99d1f/FLAGfa9bc344f [2021-10-11 02:25:24,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/data/2fe3b6d48/abc1581dad6c49cf8d2ed9dab5f99d1f [2021-10-11 02:25:24,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:24,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:24,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:24,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:24,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:24,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:24,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1279ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24, skipping insertion in model container [2021-10-11 02:25:24,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:24,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:24,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:24,477 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2021-10-11 02:25:24,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:24,663 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:24,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:24,751 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2021-10-11 02:25:24,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:24,785 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:24,862 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_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2021-10-11 02:25:24,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:24,983 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:24,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24 WrapperNode [2021-10-11 02:25:24,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:24,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:24,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:24,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:24,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:25,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:25,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:25,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:25,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... [2021-10-11 02:25:25,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:25,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:25,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:25,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:25,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:25,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:27,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:27,919 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 02:25:27,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:27 BoogieIcfgContainer [2021-10-11 02:25:27,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:27,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:27,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:27,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:27,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:24" (1/3) ... [2021-10-11 02:25:27,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5feef7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:27, skipping insertion in model container [2021-10-11 02:25:27,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:24" (2/3) ... [2021-10-11 02:25:27,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5feef7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:27, skipping insertion in model container [2021-10-11 02:25:27,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:27" (3/3) ... [2021-10-11 02:25:27,930 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2021-10-11 02:25:27,944 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:27,948 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:27,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:27,985 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:27,985 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:27,986 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:27,986 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:27,986 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:27,986 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:27,987 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:27,987 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-10-11 02:25:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:25:28,012 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:28,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:28,014 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:28,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:28,020 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2021-10-11 02:25:28,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:28,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529277316] [2021-10-11 02:25:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:28,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:28,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:28,335 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 02:25:28,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:28,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529277316] [2021-10-11 02:25:28,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:28,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:28,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448278895] [2021-10-11 02:25:28,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:28,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:28,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:28,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:28,359 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-10-11 02:25:28,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:28,391 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2021-10-11 02:25:28,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:28,392 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:25:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:28,403 INFO L225 Difference]: With dead ends: 239 [2021-10-11 02:25:28,403 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 02:25:28,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:25:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 02:25:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-11 02:25:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 02:25:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2021-10-11 02:25:28,449 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2021-10-11 02:25:28,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:28,450 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2021-10-11 02:25:28,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2021-10-11 02:25:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:25:28,451 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:28,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:28,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:28,668 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:28,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:28,669 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2021-10-11 02:25:28,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:28,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645683295] [2021-10-11 02:25:28,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:28,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:28,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:28,971 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 02:25:28,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:28,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645683295] [2021-10-11 02:25:28,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:28,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:28,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105022191] [2021-10-11 02:25:28,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:28,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:28,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:28,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:28,980 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2021-10-11 02:25:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:29,010 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2021-10-11 02:25:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:29,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:25:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:29,014 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:25:29,014 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:25:29,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:25:29,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:25:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:25:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:25:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 02:25:29,032 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-11 02:25:29,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:29,035 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 02:25:29,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 02:25:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:29,038 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:29,038 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 02:25:29,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:29,256 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:29,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:29,257 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2021-10-11 02:25:29,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:29,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288065703] [2021-10-11 02:25:29,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:29,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:29,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:29,535 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 02:25:29,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:29,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288065703] [2021-10-11 02:25:29,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:29,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:29,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354581019] [2021-10-11 02:25:29,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:29,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:29,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:29,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:29,544 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 3 states. [2021-10-11 02:25:29,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:29,573 INFO L93 Difference]: Finished difference Result 139 states and 208 transitions. [2021-10-11 02:25:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:29,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:25:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:29,580 INFO L225 Difference]: With dead ends: 139 [2021-10-11 02:25:29,581 INFO L226 Difference]: Without dead ends: 95 [2021-10-11 02:25:29,582 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 02:25:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-11 02:25:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-10-11 02:25:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 02:25:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2021-10-11 02:25:29,600 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 24 [2021-10-11 02:25:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:29,600 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2021-10-11 02:25:29,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2021-10-11 02:25:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:25:29,603 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:29,603 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] [2021-10-11 02:25:29,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:29,815 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:29,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:29,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2021-10-11 02:25:29,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:29,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474128436] [2021-10-11 02:25:29,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:30,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:30,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:30,066 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 02:25:30,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:30,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474128436] [2021-10-11 02:25:30,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:30,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:30,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189362493] [2021-10-11 02:25:30,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:30,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:30,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:30,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:30,071 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand 3 states. [2021-10-11 02:25:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:30,165 INFO L93 Difference]: Finished difference Result 218 states and 331 transitions. [2021-10-11 02:25:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:30,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:25:30,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:30,168 INFO L225 Difference]: With dead ends: 218 [2021-10-11 02:25:30,168 INFO L226 Difference]: Without dead ends: 134 [2021-10-11 02:25:30,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 02:25:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-11 02:25:30,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2021-10-11 02:25:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2021-10-11 02:25:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 194 transitions. [2021-10-11 02:25:30,199 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 194 transitions. Word has length 26 [2021-10-11 02:25:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:30,201 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 194 transitions. [2021-10-11 02:25:30,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2021-10-11 02:25:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:25:30,207 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:30,207 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] [2021-10-11 02:25:30,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:30,423 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:30,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:30,423 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2021-10-11 02:25:30,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:30,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751004226] [2021-10-11 02:25:30,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:30,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:30,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:30,701 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 02:25:30,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:30,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751004226] [2021-10-11 02:25:30,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:30,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:30,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830275172] [2021-10-11 02:25:30,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:30,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:30,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:30,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:30,704 INFO L87 Difference]: Start difference. First operand 132 states and 194 transitions. Second operand 5 states. [2021-10-11 02:25:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:30,839 INFO L93 Difference]: Finished difference Result 692 states and 1031 transitions. [2021-10-11 02:25:30,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:25:30,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:25:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:30,844 INFO L225 Difference]: With dead ends: 692 [2021-10-11 02:25:30,844 INFO L226 Difference]: Without dead ends: 567 [2021-10-11 02:25:30,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 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 02:25:30,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2021-10-11 02:25:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 243. [2021-10-11 02:25:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2021-10-11 02:25:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 352 transitions. [2021-10-11 02:25:30,875 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 352 transitions. Word has length 27 [2021-10-11 02:25:30,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:30,876 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 352 transitions. [2021-10-11 02:25:30,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 352 transitions. [2021-10-11 02:25:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:25:30,877 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:30,878 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] [2021-10-11 02:25:31,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:31,098 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:31,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:31,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2021-10-11 02:25:31,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:31,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255045090] [2021-10-11 02:25:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:31,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:31,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:31,387 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 02:25:31,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:31,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255045090] [2021-10-11 02:25:31,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:31,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:31,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688403059] [2021-10-11 02:25:31,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:31,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:31,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:31,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:31,390 INFO L87 Difference]: Start difference. First operand 243 states and 352 transitions. Second operand 5 states. [2021-10-11 02:25:31,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:31,647 INFO L93 Difference]: Finished difference Result 921 states and 1339 transitions. [2021-10-11 02:25:31,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:25:31,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:25:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:31,653 INFO L225 Difference]: With dead ends: 921 [2021-10-11 02:25:31,653 INFO L226 Difference]: Without dead ends: 685 [2021-10-11 02:25:31,654 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 02:25:31,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2021-10-11 02:25:31,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 241. [2021-10-11 02:25:31,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2021-10-11 02:25:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 346 transitions. [2021-10-11 02:25:31,682 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 346 transitions. Word has length 28 [2021-10-11 02:25:31,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:31,683 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 346 transitions. [2021-10-11 02:25:31,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 346 transitions. [2021-10-11 02:25:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:25:31,684 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:31,684 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] [2021-10-11 02:25:31,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:31,897 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:31,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:31,897 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2021-10-11 02:25:31,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:31,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5631563] [2021-10-11 02:25:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:32,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:32,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:32,164 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 02:25:32,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:32,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5631563] [2021-10-11 02:25:32,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:32,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:32,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587106362] [2021-10-11 02:25:32,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:32,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:32,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:32,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:32,167 INFO L87 Difference]: Start difference. First operand 241 states and 346 transitions. Second operand 5 states. [2021-10-11 02:25:32,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:32,320 INFO L93 Difference]: Finished difference Result 655 states and 925 transitions. [2021-10-11 02:25:32,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:32,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:25:32,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:32,327 INFO L225 Difference]: With dead ends: 655 [2021-10-11 02:25:32,327 INFO L226 Difference]: Without dead ends: 421 [2021-10-11 02:25:32,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 02:25:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-11 02:25:32,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 265. [2021-10-11 02:25:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-10-11 02:25:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 370 transitions. [2021-10-11 02:25:32,371 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 370 transitions. Word has length 33 [2021-10-11 02:25:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:32,371 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 370 transitions. [2021-10-11 02:25:32,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 370 transitions. [2021-10-11 02:25:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:25:32,372 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:32,372 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] [2021-10-11 02:25:32,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:25:32,589 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:32,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:32,589 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2021-10-11 02:25:32,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:32,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276090929] [2021-10-11 02:25:32,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:32,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:32,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:32,854 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 02:25:32,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:32,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276090929] [2021-10-11 02:25:32,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:32,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:32,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881608340] [2021-10-11 02:25:32,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:32,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:32,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:32,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:32,856 INFO L87 Difference]: Start difference. First operand 265 states and 370 transitions. Second operand 4 states. [2021-10-11 02:25:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:32,952 INFO L93 Difference]: Finished difference Result 643 states and 887 transitions. [2021-10-11 02:25:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:32,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:25:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:32,955 INFO L225 Difference]: With dead ends: 643 [2021-10-11 02:25:32,955 INFO L226 Difference]: Without dead ends: 385 [2021-10-11 02:25:32,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 02:25:32,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-10-11 02:25:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 281. [2021-10-11 02:25:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-10-11 02:25:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 386 transitions. [2021-10-11 02:25:32,986 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 386 transitions. Word has length 33 [2021-10-11 02:25:32,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:32,987 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 386 transitions. [2021-10-11 02:25:32,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 386 transitions. [2021-10-11 02:25:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:25:32,988 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:32,988 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] [2021-10-11 02:25:33,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:25:33,200 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:33,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:33,200 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2021-10-11 02:25:33,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:33,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371585235] [2021-10-11 02:25:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:33,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:33,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:33,456 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 02:25:33,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:33,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371585235] [2021-10-11 02:25:33,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:33,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:33,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48696160] [2021-10-11 02:25:33,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:33,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:33,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:33,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:33,459 INFO L87 Difference]: Start difference. First operand 281 states and 386 transitions. Second operand 3 states. [2021-10-11 02:25:33,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:33,553 INFO L93 Difference]: Finished difference Result 659 states and 899 transitions. [2021-10-11 02:25:33,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:33,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:25:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:33,557 INFO L225 Difference]: With dead ends: 659 [2021-10-11 02:25:33,557 INFO L226 Difference]: Without dead ends: 385 [2021-10-11 02:25:33,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 02:25:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-10-11 02:25:33,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2021-10-11 02:25:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-10-11 02:25:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 512 transitions. [2021-10-11 02:25:33,599 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 512 transitions. Word has length 33 [2021-10-11 02:25:33,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:33,601 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 512 transitions. [2021-10-11 02:25:33,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 512 transitions. [2021-10-11 02:25:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:33,603 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:33,604 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 02:25:33,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:25:33,819 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:33,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:33,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2021-10-11 02:25:33,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:33,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354088640] [2021-10-11 02:25:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:33,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:34,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:34,061 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 02:25:34,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:34,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354088640] [2021-10-11 02:25:34,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:34,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:34,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413046227] [2021-10-11 02:25:34,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:34,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:34,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:34,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:34,065 INFO L87 Difference]: Start difference. First operand 385 states and 512 transitions. Second operand 3 states. [2021-10-11 02:25:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:34,181 INFO L93 Difference]: Finished difference Result 595 states and 799 transitions. [2021-10-11 02:25:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:34,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:25:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:34,186 INFO L225 Difference]: With dead ends: 595 [2021-10-11 02:25:34,186 INFO L226 Difference]: Without dead ends: 593 [2021-10-11 02:25:34,186 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 02:25:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-11 02:25:34,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 472. [2021-10-11 02:25:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2021-10-11 02:25:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 642 transitions. [2021-10-11 02:25:34,236 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 642 transitions. Word has length 34 [2021-10-11 02:25:34,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:34,236 INFO L481 AbstractCegarLoop]: Abstraction has 472 states and 642 transitions. [2021-10-11 02:25:34,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 642 transitions. [2021-10-11 02:25:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:25:34,238 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:34,239 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-10-11 02:25:34,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:25:34,458 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:34,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:34,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1050282420, now seen corresponding path program 1 times [2021-10-11 02:25:34,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:34,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069620140] [2021-10-11 02:25:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/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 02:25:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:34,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:34,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:25:34,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:34,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069620140] [2021-10-11 02:25:34,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:34,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:34,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676338653] [2021-10-11 02:25:34,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:34,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:34,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:34,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:34,809 INFO L87 Difference]: Start difference. First operand 472 states and 642 transitions. Second operand 3 states. [2021-10-11 02:25:36,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:36,282 INFO L93 Difference]: Finished difference Result 564 states and 763 transitions. [2021-10-11 02:25:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:36,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-10-11 02:25:36,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:36,285 INFO L225 Difference]: With dead ends: 564 [2021-10-11 02:25:36,285 INFO L226 Difference]: Without dead ends: 234 [2021-10-11 02:25:36,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 02:25:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-10-11 02:25:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2021-10-11 02:25:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-10-11 02:25:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 306 transitions. [2021-10-11 02:25:36,312 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 306 transitions. Word has length 54 [2021-10-11 02:25:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:36,312 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 306 transitions. [2021-10-11 02:25:36,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 306 transitions. [2021-10-11 02:25:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:25:36,313 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:36,314 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-11 02:25:36,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,527 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:36,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:36,527 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2021-10-11 02:25:36,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:36,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710083289] [2021-10-11 02:25:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:36,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:36,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:36,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:36,902 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:36,902 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:36,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710083289] [2021-10-11 02:25:36,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1234724588] [2021-10-11 02:25:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:37,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:25:37,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:37,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:37,347 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:37,347 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:37,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368365644] [2021-10-11 02:25:37,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:37,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:37,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:37,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:37,629 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:25:37,629 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:25:37,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:25:37,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-11 02:25:37,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896892296] [2021-10-11 02:25:37,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:25:37,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:37,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:25:37,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:25:37,680 INFO L87 Difference]: Start difference. First operand 234 states and 306 transitions. Second operand 8 states. [2021-10-11 02:25:40,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:40,041 INFO L93 Difference]: Finished difference Result 2143 states and 2869 transitions. [2021-10-11 02:25:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-11 02:25:40,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-10-11 02:25:40,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:40,052 INFO L225 Difference]: With dead ends: 2143 [2021-10-11 02:25:40,053 INFO L226 Difference]: Without dead ends: 1966 [2021-10-11 02:25:40,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 335 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 02:25:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2021-10-11 02:25:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 671. [2021-10-11 02:25:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2021-10-11 02:25:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 903 transitions. [2021-10-11 02:25:40,141 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 903 transitions. Word has length 58 [2021-10-11 02:25:40,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:40,142 INFO L481 AbstractCegarLoop]: Abstraction has 671 states and 903 transitions. [2021-10-11 02:25:40,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:25:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 903 transitions. [2021-10-11 02:25:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:25:40,150 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:40,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-11 02:25:40,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:40,758 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2021-10-11 02:25:40,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:40,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262297316] [2021-10-11 02:25:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:40,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:40,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:25:41,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:41,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262297316] [2021-10-11 02:25:41,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:41,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:41,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287017069] [2021-10-11 02:25:41,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:41,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:41,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:41,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:41,036 INFO L87 Difference]: Start difference. First operand 671 states and 903 transitions. Second operand 5 states. [2021-10-11 02:25:41,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:41,146 INFO L93 Difference]: Finished difference Result 1090 states and 1424 transitions. [2021-10-11 02:25:41,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:41,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 02:25:41,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:41,150 INFO L225 Difference]: With dead ends: 1090 [2021-10-11 02:25:41,150 INFO L226 Difference]: Without dead ends: 426 [2021-10-11 02:25:41,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 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 02:25:41,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-10-11 02:25:41,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 191. [2021-10-11 02:25:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2021-10-11 02:25:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 233 transitions. [2021-10-11 02:25:41,183 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 233 transitions. Word has length 58 [2021-10-11 02:25:41,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:41,183 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 233 transitions. [2021-10-11 02:25:41,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 233 transitions. [2021-10-11 02:25:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:25:41,184 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:41,191 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 02:25:41,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2021-10-11 02:25:41,407 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:41,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2021-10-11 02:25:41,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:41,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504475335] [2021-10-11 02:25:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:41,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:41,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:41,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:41,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504475335] [2021-10-11 02:25:41,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:41,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:41,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305517475] [2021-10-11 02:25:41,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:41,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:41,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:41,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:41,695 INFO L87 Difference]: Start difference. First operand 191 states and 233 transitions. Second operand 3 states. [2021-10-11 02:25:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:43,377 INFO L93 Difference]: Finished difference Result 358 states and 438 transitions. [2021-10-11 02:25:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:43,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 02:25:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:43,378 INFO L225 Difference]: With dead ends: 358 [2021-10-11 02:25:43,378 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:43,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 02:25:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:43,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 02:25:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:43,380 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:43,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:43,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:43,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2021-10-11 02:25:43,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:44,086 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 128 [2021-10-11 02:25:44,235 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 120 [2021-10-11 02:25:44,365 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 97 [2021-10-11 02:25:44,599 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 135 [2021-10-11 02:25:44,730 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 122 [2021-10-11 02:25:44,920 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 135 [2021-10-11 02:25:45,264 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 123 [2021-10-11 02:25:46,164 WARN L197 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 27 [2021-10-11 02:25:46,737 WARN L197 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 27 [2021-10-11 02:25:47,191 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2021-10-11 02:25:48,082 WARN L197 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 32 [2021-10-11 02:25:48,741 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 27 [2021-10-11 02:25:49,622 WARN L197 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 37 [2021-10-11 02:25:49,764 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 6 [2021-10-11 02:25:50,035 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2021-10-11 02:25:50,226 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2021-10-11 02:25:50,609 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2021-10-11 02:25:51,386 WARN L197 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 27 [2021-10-11 02:25:51,400 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-11 02:25:51,400 INFO L262 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:25:51,400 INFO L262 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:25:51,400 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:25:51,400 INFO L262 CegarLoopResult]: For program point L498-3(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:25:51,401 INFO L262 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:25:51,401 INFO L262 CegarLoopResult]: For program point L498-5(lines 498 504) no Hoare annotation was computed. [2021-10-11 02:25:51,401 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:25:51,401 INFO L262 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-10-11 02:25:51,401 INFO L262 CegarLoopResult]: For program point L533-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 02:25:51,401 INFO L258 CegarLoopResult]: At program point L401(lines 1 988) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:51,401 INFO L258 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))) (and .cse0 .cse3 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-11 02:25:51,401 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L262 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2021-10-11 02:25:51,402 INFO L265 CegarLoopResult]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L503(lines 494 507) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L503-1(lines 494 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse3 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse3 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2))) [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L503-2(lines 494 507) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L503-3(lines 494 507) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L503-4(lines 494 507) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L258 CegarLoopResult]: At program point L503-5(lines 494 507) the Hoare annotation is: false [2021-10-11 02:25:51,402 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-11 02:25:51,403 INFO L258 CegarLoopResult]: At program point L242(lines 237 245) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~systemActive~0 (_ bv0 32))) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3))) [2021-10-11 02:25:51,403 INFO L258 CegarLoopResult]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2021-10-11 02:25:51,403 INFO L258 CegarLoopResult]: At program point L242-2(lines 237 245) the Hoare annotation is: false [2021-10-11 02:25:51,403 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:25:51,403 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32)) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3))) [2021-10-11 02:25:51,403 INFO L258 CegarLoopResult]: At program point L409(lines 404 412) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:51,404 INFO L258 CegarLoopResult]: At program point L343(lines 338 345) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:51,404 INFO L262 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:25:51,404 INFO L262 CegarLoopResult]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:25:51,404 INFO L262 CegarLoopResult]: For program point L310-3(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:25:51,404 INFO L262 CegarLoopResult]: For program point L310-5(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:25:51,404 INFO L262 CegarLoopResult]: For program point L310-6(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:25:51,404 INFO L262 CegarLoopResult]: For program point L310-8(lines 310 314) no Hoare annotation was computed. [2021-10-11 02:25:51,405 INFO L265 CegarLoopResult]: At program point L610(lines 591 613) the Hoare annotation is: true [2021-10-11 02:25:51,405 INFO L258 CegarLoopResult]: At program point L577(lines 573 579) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:51,405 INFO L262 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-10-11 02:25:51,405 INFO L258 CegarLoopResult]: At program point L513(lines 508 516) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:51,405 INFO L258 CegarLoopResult]: At program point L513-1(lines 508 516) the Hoare annotation is: false [2021-10-11 02:25:51,405 INFO L258 CegarLoopResult]: At program point L513-2(lines 508 516) the Hoare annotation is: false [2021-10-11 02:25:51,406 INFO L258 CegarLoopResult]: At program point L316(lines 301 319) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:25:51,406 INFO L258 CegarLoopResult]: At program point L316-1(lines 301 319) the Hoare annotation is: false [2021-10-11 02:25:51,406 INFO L258 CegarLoopResult]: At program point L316-2(lines 301 319) the Hoare annotation is: false [2021-10-11 02:25:51,406 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:25:51,406 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 02:25:51,406 INFO L262 CegarLoopResult]: For program point L354(lines 354 371) no Hoare annotation was computed. [2021-10-11 02:25:51,406 INFO L258 CegarLoopResult]: At program point L354-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32)) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L354-2(lines 354 371) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L258 CegarLoopResult]: At program point L354-3(lines 1 988) the Hoare annotation is: false [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L354-4(lines 354 371) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L258 CegarLoopResult]: At program point L354-5(lines 1 988) the Hoare annotation is: false [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2021-10-11 02:25:51,407 INFO L262 CegarLoopResult]: For program point L619-2(line 619) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L258 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 02:25:51,408 INFO L262 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L258 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-9(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-11(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-12(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-14(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-15(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L291-17(lines 291 295) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L358(lines 358 368) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L358-2(lines 358 368) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L358-4(lines 358 368) no Hoare annotation was computed. [2021-10-11 02:25:51,409 INFO L262 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L258 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and .cse0 .cse3 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-11 02:25:51,410 INFO L258 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: false [2021-10-11 02:25:51,410 INFO L258 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L359-2(lines 359 365) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L359-4(lines 359 365) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:25:51,410 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:25:51,411 INFO L262 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:25:51,411 INFO L262 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:25:51,411 INFO L258 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse5 .cse4) (and .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:25:51,411 INFO L262 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 02:25:51,411 INFO L258 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-10-11 02:25:51,411 INFO L258 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-10-11 02:25:51,411 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:25:51,412 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-11 02:25:51,412 INFO L258 CegarLoopResult]: At program point L297(lines 282 300) the Hoare annotation is: false [2021-10-11 02:25:51,412 INFO L258 CegarLoopResult]: At program point L297-1(lines 282 300) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4) (and .cse0 .cse5 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4))) [2021-10-11 02:25:51,412 INFO L258 CegarLoopResult]: At program point L297-2(lines 282 300) the Hoare annotation is: false [2021-10-11 02:25:51,412 INFO L258 CegarLoopResult]: At program point L297-3(lines 282 300) the Hoare annotation is: false [2021-10-11 02:25:51,412 INFO L258 CegarLoopResult]: At program point L297-4(lines 282 300) the Hoare annotation is: false [2021-10-11 02:25:51,413 INFO L258 CegarLoopResult]: At program point L297-5(lines 282 300) the Hoare annotation is: false [2021-10-11 02:25:51,413 INFO L258 CegarLoopResult]: At program point L529-2(lines 529 543) the Hoare annotation is: false [2021-10-11 02:25:51,413 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:25:51,413 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32)) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~pumpRunning~0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-11 02:25:51,413 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-11 02:25:51,413 INFO L262 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:25:51,413 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:25:51,414 INFO L262 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:25:51,414 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:25:51,414 INFO L262 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:25:51,414 INFO L262 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:25:51,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:51 BoogieIcfgContainer [2021-10-11 02:25:51,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:51,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:51,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:51,456 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:51,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:27" (3/4) ... [2021-10-11 02:25:51,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:25:51,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:25:51,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:25:51,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:25:51,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:25:51,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:25:51,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:51,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:51,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:25:51,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:51,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:25:51,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:51,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:51,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:25:51,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:25:51,568 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf54fbdb-af2e-4ed6-91f0-b0b51932189d/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:51,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:51,570 INFO L168 Benchmark]: Toolchain (without parser) took 27468.88 ms. Allocated memory was 54.5 MB in the beginning and 151.0 MB in the end (delta: 96.5 MB). Free memory was 30.8 MB in the beginning and 63.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,570 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:51,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.88 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.6 MB in the beginning and 52.3 MB in the end (delta: -21.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.90 ms. Allocated memory is still 71.3 MB. Free memory was 52.3 MB in the beginning and 48.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,571 INFO L168 Benchmark]: Boogie Preprocessor took 86.92 ms. Allocated memory is still 71.3 MB. Free memory was 48.5 MB in the beginning and 45.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,572 INFO L168 Benchmark]: RCFGBuilder took 2732.26 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 45.8 MB in the beginning and 46.7 MB in the end (delta: -903.2 kB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,572 INFO L168 Benchmark]: TraceAbstraction took 23531.75 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 46.2 MB in the beginning and 74.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,573 INFO L168 Benchmark]: Witness Printer took 113.42 ms. Allocated memory is still 151.0 MB. Free memory was 74.2 MB in the beginning and 63.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 881.88 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.6 MB in the beginning and 52.3 MB in the end (delta: -21.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.90 ms. Allocated memory is still 71.3 MB. Free memory was 52.3 MB in the beginning and 48.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.92 ms. Allocated memory is still 71.3 MB. Free memory was 48.5 MB in the beginning and 45.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2732.26 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 45.8 MB in the beginning and 46.7 MB in the end (delta: -903.2 kB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23531.75 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 46.2 MB in the beginning and 74.2 MB in the end (delta: -28.0 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. * Witness Printer took 113.42 ms. Allocated memory is still 151.0 MB. Free memory was 74.2 MB in the beginning and 63.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: 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: 404]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1449 SDtfs, 1863 SDslu, 2405 SDs, 0 SdLazy, 369 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 807 GetRequests, 753 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=671occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2685 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 151 NumberOfFragments, 931 HoareAnnotationTreeSize, 45 FomulaSimplifications, 226660 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 82679 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 101000 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3540 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 123/159 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...