./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8 --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 c018b62812d53c857c48baba878052abd5ef0585 ............................................................................................................................................ 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_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8 --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 c018b62812d53c857c48baba878052abd5ef0585 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:34:25,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:34:25,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:34:25,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:34:25,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:34:25,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:34:25,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:34:25,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:34:25,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:34:25,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:34:25,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:34:25,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:34:25,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:34:25,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:34:25,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:34:25,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:34:25,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:34:25,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:34:25,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:34:25,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:34:25,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:34:25,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:34:25,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:34:25,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:34:25,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:34:25,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:34:25,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:34:25,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:34:25,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:34:25,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:34:25,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:34:25,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:34:25,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:34:25,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:34:25,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:34:25,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:34:25,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:34:25,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:34:25,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:34:25,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:34:25,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:34:25,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:34:25,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:34:25,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:34:25,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:34:25,529 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:34:25,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:34:25,529 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:34:25,529 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:34:25,529 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:34:25,530 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:34:25,530 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:34:25,530 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:34:25,530 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:34:25,531 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:34:25,531 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:34:25,531 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:34:25,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:34:25,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:34:25,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:34:25,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:34:25,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:34:25,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:34:25,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:34:25,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:34:25,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:34:25,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:34:25,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:34:25,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:34:25,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:34:25,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:34:25,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:34:25,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:34:25,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:34:25,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:34:25,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:34:25,537 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:34:25,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:34:25,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:34:25,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:34:25,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:34:25,538 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_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c018b62812d53c857c48baba878052abd5ef0585 [2021-10-13 07:34:25,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:34:25,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:34:25,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:34:25,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:34:25,859 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:34:25,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-13 07:34:25,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/1d4d61bad/b95c8583aa7340b0be800448f24f2d1d/FLAGe2f182910 [2021-10-13 07:34:26,408 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:34:26,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-13 07:34:26,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/1d4d61bad/b95c8583aa7340b0be800448f24f2d1d/FLAGe2f182910 [2021-10-13 07:34:26,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/1d4d61bad/b95c8583aa7340b0be800448f24f2d1d [2021-10-13 07:34:26,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:34:26,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:34:26,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:34:26,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:34:26,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:34:26,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:34:26" (1/1) ... [2021-10-13 07:34:26,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@954a243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:26, skipping insertion in model container [2021-10-13 07:34:26,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:34:26" (1/1) ... [2021-10-13 07:34:26,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:34:26,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:34:27,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-13 07:34:27,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:34:27,164 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) [2021-10-13 07:34:27,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13c4ca0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:27, skipping insertion in model container [2021-10-13 07:34:27,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:34:27,165 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:34:27,168 INFO L168 Benchmark]: Toolchain (without parser) took 402.70 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.5 MB in the beginning and 70.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:34:27,169 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:34:27,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.14 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.4 MB in the beginning and 70.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:34:27,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.14 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 42.4 MB in the beginning and 70.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 329]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:34:29,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:34:29,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:34:29,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:34:29,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:34:29,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:34:29,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:34:29,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:34:29,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:34:29,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:34:29,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:34:29,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:34:29,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:34:29,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:34:29,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:34:29,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:34:29,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:34:29,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:34:29,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:34:29,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:34:29,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:34:29,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:34:29,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:34:29,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:34:29,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:34:29,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:34:29,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:34:29,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:34:29,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:34:29,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:34:29,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:34:29,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:34:29,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:34:29,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:34:29,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:34:29,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:34:29,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:34:29,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:34:29,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:34:29,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:34:29,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:34:29,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:34:29,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:34:29,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:34:29,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:34:29,624 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:34:29,624 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:34:29,625 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:34:29,625 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:34:29,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:34:29,626 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:34:29,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:34:29,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:34:29,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:34:29,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:34:29,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:34:29,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:34:29,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:34:29,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:34:29,630 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:34:29,630 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:34:29,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:34:29,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:34:29,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:34:29,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:34:29,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:34:29,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:34:29,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:34:29,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:34:29,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:34:29,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:34:29,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:34:29,633 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:34:29,633 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:34:29,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:34:29,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:34:29,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:34:29,635 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_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c018b62812d53c857c48baba878052abd5ef0585 [2021-10-13 07:34:30,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:34:30,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:34:30,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:34:30,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:34:30,086 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:34:30,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-13 07:34:30,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/faf597fac/ebcf5fa331814af5b621e300aa553957/FLAG746d0d1ab [2021-10-13 07:34:30,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:34:30,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-13 07:34:30,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/faf597fac/ebcf5fa331814af5b621e300aa553957/FLAG746d0d1ab [2021-10-13 07:34:31,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/data/faf597fac/ebcf5fa331814af5b621e300aa553957 [2021-10-13 07:34:31,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:34:31,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:34:31,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:34:31,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:34:31,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:34:31,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210a2cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31, skipping insertion in model container [2021-10-13 07:34:31,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:34:31,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:34:31,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-13 07:34:31,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:34:31,489 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:34:31,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:34:31,500 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-13 07:34:31,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:34:31,588 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:34:31,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-13 07:34:31,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:34:31,738 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:34:31,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31 WrapperNode [2021-10-13 07:34:31,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:34:31,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:34:31,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:34:31,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:34:31,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:34:31,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:34:31,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:34:31,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:34:31,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:34:31,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:34:31,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:34:31,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:34:31,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (1/1) ... [2021-10-13 07:34:31,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:34:31,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:34:31,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:34:32,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:34:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:34:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:34:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:34:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:34:34,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:34:34,453 INFO L299 CfgBuilder]: Removed 206 assume(true) statements. [2021-10-13 07:34:34,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:34:34 BoogieIcfgContainer [2021-10-13 07:34:34,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:34:34,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:34:34,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:34:34,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:34:34,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:34:31" (1/3) ... [2021-10-13 07:34:34,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b1d87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:34:34, skipping insertion in model container [2021-10-13 07:34:34,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:34:31" (2/3) ... [2021-10-13 07:34:34,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b1d87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:34:34, skipping insertion in model container [2021-10-13 07:34:34,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:34:34" (3/3) ... [2021-10-13 07:34:34,464 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2021-10-13 07:34:34,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:34:34,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:34:34,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:34:34,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:34:34,525 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:34:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 140 states have (on average 1.5214285714285714) internal successors, (213), 143 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:34:34,551 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:34,552 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:34,552 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:34,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:34,558 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2021-10-13 07:34:34,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:34,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258914965] [2021-10-13 07:34:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:34,574 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:34,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:34,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:34,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:34:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:34,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:34:34,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:34,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:35,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:35,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258914965] [2021-10-13 07:34:35,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258914965] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:35,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:35,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:34:35,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605208079] [2021-10-13 07:34:35,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:34:35,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:34:35,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:34:35,050 INFO L87 Difference]: Start difference. First operand has 144 states, 140 states have (on average 1.5214285714285714) internal successors, (213), 143 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:35,114 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2021-10-13 07:34:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:34:35,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:34:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:35,130 INFO L225 Difference]: With dead ends: 281 [2021-10-13 07:34:35,130 INFO L226 Difference]: Without dead ends: 140 [2021-10-13 07:34:35,135 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:34:35,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-13 07:34:35,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-10-13 07:34:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 137 states have (on average 1.467153284671533) internal successors, (201), 139 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2021-10-13 07:34:35,205 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2021-10-13 07:34:35,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:35,206 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2021-10-13 07:34:35,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2021-10-13 07:34:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:34:35,208 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:35,208 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:35,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:35,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:35,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:35,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:35,423 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2021-10-13 07:34:35,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:35,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191147997] [2021-10-13 07:34:35,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:35,424 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:35,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:35,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:35,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:34:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:35,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:34:35,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:35,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:35,750 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:35,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191147997] [2021-10-13 07:34:35,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191147997] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:35,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:35,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:34:35,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962551711] [2021-10-13 07:34:35,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:34:35,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:35,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:34:35,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:34:35,754 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:35,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:35,774 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2021-10-13 07:34:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:34:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-13 07:34:35,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:35,789 INFO L225 Difference]: With dead ends: 140 [2021-10-13 07:34:35,789 INFO L226 Difference]: Without dead ends: 57 [2021-10-13 07:34:35,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:34:35,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-13 07:34:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-13 07:34:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2021-10-13 07:34:35,796 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2021-10-13 07:34:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:35,797 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2021-10-13 07:34:35,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2021-10-13 07:34:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:34:35,798 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:35,798 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:35,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:36,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:36,011 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:36,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:36,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2021-10-13 07:34:36,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:36,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663755836] [2021-10-13 07:34:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:36,014 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:36,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:36,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:36,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:34:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:36,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:34:36,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:36,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:36,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:36,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663755836] [2021-10-13 07:34:36,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663755836] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:36,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:36,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:34:36,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738895403] [2021-10-13 07:34:36,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:34:36,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:36,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:34:36,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:34:36,523 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:36,547 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2021-10-13 07:34:36,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:34:36,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:34:36,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:36,549 INFO L225 Difference]: With dead ends: 107 [2021-10-13 07:34:36,549 INFO L226 Difference]: Without dead ends: 57 [2021-10-13 07:34:36,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:34:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-13 07:34:36,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-13 07:34:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-13 07:34:36,563 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2021-10-13 07:34:36,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:36,564 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-13 07:34:36,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-13 07:34:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:34:36,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:36,568 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:36,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:36,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:36,784 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:36,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:36,785 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2021-10-13 07:34:36,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:36,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615749974] [2021-10-13 07:34:36,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:36,786 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:36,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:36,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:36,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:34:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:36,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:34:36,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:37,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:37,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:37,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615749974] [2021-10-13 07:34:37,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615749974] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:37,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:37,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:34:37,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42150776] [2021-10-13 07:34:37,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:34:37,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:37,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:34:37,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:34:37,160 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:37,222 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2021-10-13 07:34:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:34:37,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 07:34:37,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:37,224 INFO L225 Difference]: With dead ends: 131 [2021-10-13 07:34:37,224 INFO L226 Difference]: Without dead ends: 81 [2021-10-13 07:34:37,225 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:34:37,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-13 07:34:37,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2021-10-13 07:34:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2021-10-13 07:34:37,234 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2021-10-13 07:34:37,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:37,235 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2021-10-13 07:34:37,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2021-10-13 07:34:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:34:37,236 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:37,236 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:37,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:37,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:37,449 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:37,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:37,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2021-10-13 07:34:37,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:37,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722497031] [2021-10-13 07:34:37,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:37,451 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:37,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:37,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:37,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:34:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:37,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:34:37,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:37,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:37,884 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:37,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722497031] [2021-10-13 07:34:37,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722497031] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:37,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:37,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:34:37,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873585347] [2021-10-13 07:34:37,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:34:37,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:37,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:34:37,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:34:37,891 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:38,064 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2021-10-13 07:34:38,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:34:38,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:34:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:38,067 INFO L225 Difference]: With dead ends: 266 [2021-10-13 07:34:38,067 INFO L226 Difference]: Without dead ends: 194 [2021-10-13 07:34:38,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 55.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:34:38,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-13 07:34:38,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2021-10-13 07:34:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2021-10-13 07:34:38,098 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2021-10-13 07:34:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:38,099 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2021-10-13 07:34:38,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-10-13 07:34:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:34:38,101 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:38,101 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:38,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:38,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:38,310 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:38,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:38,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2021-10-13 07:34:38,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:38,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640450840] [2021-10-13 07:34:38,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:38,311 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:38,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:38,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:38,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:34:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:38,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:34:38,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:38,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:38,791 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:38,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640450840] [2021-10-13 07:34:38,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640450840] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:38,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:38,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:34:38,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576703784] [2021-10-13 07:34:38,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:34:38,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:38,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:34:38,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:34:38,794 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:38,869 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2021-10-13 07:34:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:34:38,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:34:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:38,871 INFO L225 Difference]: With dead ends: 198 [2021-10-13 07:34:38,871 INFO L226 Difference]: Without dead ends: 127 [2021-10-13 07:34:38,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:34:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-13 07:34:38,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-13 07:34:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2021-10-13 07:34:38,882 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2021-10-13 07:34:38,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:38,882 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2021-10-13 07:34:38,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2021-10-13 07:34:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:34:38,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:38,884 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:38,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:39,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:39,100 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:39,100 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2021-10-13 07:34:39,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:39,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536863734] [2021-10-13 07:34:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:39,101 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:39,102 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:39,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:34:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:39,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:34:39,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:39,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:39,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:39,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536863734] [2021-10-13 07:34:39,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536863734] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:39,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:39,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:34:39,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192657119] [2021-10-13 07:34:39,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:34:39,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:39,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:34:39,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:34:39,586 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:39,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:39,643 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2021-10-13 07:34:39,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:34:39,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:34:39,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:39,645 INFO L225 Difference]: With dead ends: 215 [2021-10-13 07:34:39,645 INFO L226 Difference]: Without dead ends: 138 [2021-10-13 07:34:39,645 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:34:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-13 07:34:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2021-10-13 07:34:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2021-10-13 07:34:39,657 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2021-10-13 07:34:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:39,657 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2021-10-13 07:34:39,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-10-13 07:34:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:34:39,658 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:39,658 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:39,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:39,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:39,875 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:39,875 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2021-10-13 07:34:39,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:39,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276796683] [2021-10-13 07:34:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:39,877 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:39,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:39,878 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:39,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:34:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:40,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:34:40,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:40,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:40,383 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:40,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276796683] [2021-10-13 07:34:40,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276796683] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:40,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:40,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:34:40,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955033144] [2021-10-13 07:34:40,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:34:40,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:40,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:34:40,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:34:40,385 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:40,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:40,455 INFO L93 Difference]: Finished difference Result 258 states and 347 transitions. [2021-10-13 07:34:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:34:40,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:34:40,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:40,456 INFO L225 Difference]: With dead ends: 258 [2021-10-13 07:34:40,456 INFO L226 Difference]: Without dead ends: 177 [2021-10-13 07:34:40,457 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:34:40,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-13 07:34:40,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 147. [2021-10-13 07:34:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 146 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2021-10-13 07:34:40,474 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 37 [2021-10-13 07:34:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:40,475 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2021-10-13 07:34:40,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2021-10-13 07:34:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 07:34:40,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:40,477 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:34:40,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:40,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:40,691 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:40,691 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2021-10-13 07:34:40,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:40,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701116309] [2021-10-13 07:34:40,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:40,692 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:40,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:40,693 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:40,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:34:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:40,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:34:40,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:41,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:41,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:41,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701116309] [2021-10-13 07:34:41,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701116309] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:41,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:41,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:34:41,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327181314] [2021-10-13 07:34:41,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:34:41,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:41,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:34:41,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:34:41,261 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:42,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:42,760 INFO L93 Difference]: Finished difference Result 714 states and 962 transitions. [2021-10-13 07:34:42,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:34:42,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-13 07:34:42,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:42,764 INFO L225 Difference]: With dead ends: 714 [2021-10-13 07:34:42,765 INFO L226 Difference]: Without dead ends: 574 [2021-10-13 07:34:42,765 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 65.0ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:34:42,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-10-13 07:34:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 260. [2021-10-13 07:34:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.3204633204633205) internal successors, (342), 259 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 342 transitions. [2021-10-13 07:34:42,804 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 342 transitions. Word has length 38 [2021-10-13 07:34:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:42,805 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 342 transitions. [2021-10-13 07:34:42,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 342 transitions. [2021-10-13 07:34:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-13 07:34:42,806 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:42,807 INFO L512 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, 1, 1, 1] [2021-10-13 07:34:42,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:43,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:43,019 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:43,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:43,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2021-10-13 07:34:43,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:43,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643165334] [2021-10-13 07:34:43,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:43,021 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:43,022 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:43,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:34:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:43,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:34:43,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:34:43,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:34:43,788 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:43,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643165334] [2021-10-13 07:34:43,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643165334] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:34:43,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1536102794] [2021-10-13 07:34:43,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:43,789 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:34:43,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:34:43,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:34:43,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:34:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:44,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:34:44,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:44,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:44,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1536102794] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:34:44,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612467994] [2021-10-13 07:34:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:44,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:34:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:34:44,643 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:34:44,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 07:34:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:44,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:34:44,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:45,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:34:45,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612467994] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:34:45,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:34:45,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-13 07:34:45,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139676267] [2021-10-13 07:34:45,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 07:34:45,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:45,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 07:34:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:34:45,348 INFO L87 Difference]: Start difference. First operand 260 states and 342 transitions. Second operand has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:54,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:54,643 INFO L93 Difference]: Finished difference Result 1929 states and 2658 transitions. [2021-10-13 07:34:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-13 07:34:54,644 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-13 07:34:54,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:54,654 INFO L225 Difference]: With dead ends: 1929 [2021-10-13 07:34:54,654 INFO L226 Difference]: Without dead ends: 1676 [2021-10-13 07:34:54,658 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2479 ImplicationChecksByTransitivity, 1547.9ms TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2021-10-13 07:34:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2021-10-13 07:34:54,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 398. [2021-10-13 07:34:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.3073047858942066) internal successors, (519), 397 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 519 transitions. [2021-10-13 07:34:54,718 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 519 transitions. Word has length 61 [2021-10-13 07:34:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:54,719 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 519 transitions. [2021-10-13 07:34:54,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 519 transitions. [2021-10-13 07:34:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-13 07:34:54,723 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:34:54,724 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1] [2021-10-13 07:34:54,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:54,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:55,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:55,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:34:55,340 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:34:55,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:34:55,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1987997859, now seen corresponding path program 1 times [2021-10-13 07:34:55,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:34:55,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846379971] [2021-10-13 07:34:55,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:34:55,342 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:34:55,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:34:55,342 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:34:55,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:34:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:34:55,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:34:55,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:34:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:34:56,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:34:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:34:56,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:34:56,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846379971] [2021-10-13 07:34:56,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846379971] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:34:56,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:34:56,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:34:56,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483047070] [2021-10-13 07:34:56,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:34:56,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:34:56,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:34:56,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:34:56,272 INFO L87 Difference]: Start difference. First operand 398 states and 519 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:56,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:34:56,338 INFO L93 Difference]: Finished difference Result 593 states and 763 transitions. [2021-10-13 07:34:56,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:34:56,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-10-13 07:34:56,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:34:56,339 INFO L225 Difference]: With dead ends: 593 [2021-10-13 07:34:56,339 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:34:56,340 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 49.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:34:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:34:56,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:34:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:34:56,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2021-10-13 07:34:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:34:56,341 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:34:56,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:34:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:34:56,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:34:56,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:34:56,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:34:56,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:34:56,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:34:56,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:34:56,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:34:56,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:56,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:57,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:34:59,813 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 767) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L763-2(lines 757 768) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 838) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L830-1(lines 830 838) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L830-2(lines 830 838) no Hoare annotation was computed. [2021-10-13 07:34:59,814 INFO L857 garLoopResultBuilder]: For program point L830-3(lines 830 838) no Hoare annotation was computed. [2021-10-13 07:34:59,815 INFO L857 garLoopResultBuilder]: For program point L830-4(lines 830 838) no Hoare annotation was computed. [2021-10-13 07:34:59,815 INFO L857 garLoopResultBuilder]: For program point L830-5(lines 830 838) no Hoare annotation was computed. [2021-10-13 07:34:59,815 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 709) no Hoare annotation was computed. [2021-10-13 07:34:59,815 INFO L857 garLoopResultBuilder]: For program point L699-2(lines 699 709) no Hoare annotation was computed. [2021-10-13 07:34:59,815 INFO L857 garLoopResultBuilder]: For program point L699-4(lines 699 709) no Hoare annotation was computed. [2021-10-13 07:34:59,815 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 208) no Hoare annotation was computed. [2021-10-13 07:34:59,816 INFO L857 garLoopResultBuilder]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2021-10-13 07:34:59,816 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-13 07:34:59,816 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 105 109) no Hoare annotation was computed. [2021-10-13 07:34:59,816 INFO L857 garLoopResultBuilder]: For program point L204-6(lines 204 208) no Hoare annotation was computed. [2021-10-13 07:34:59,817 INFO L853 garLoopResultBuilder]: At program point L997(lines 982 1000) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:34:59,817 INFO L853 garLoopResultBuilder]: At program point L997-1(lines 982 1000) the Hoare annotation is: false [2021-10-13 07:34:59,817 INFO L853 garLoopResultBuilder]: At program point L997-2(lines 982 1000) the Hoare annotation is: false [2021-10-13 07:34:59,817 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 706) no Hoare annotation was computed. [2021-10-13 07:34:59,817 INFO L857 garLoopResultBuilder]: For program point L700-2(lines 700 706) no Hoare annotation was computed. [2021-10-13 07:34:59,817 INFO L857 garLoopResultBuilder]: For program point L700-4(lines 700 706) no Hoare annotation was computed. [2021-10-13 07:34:59,818 INFO L853 garLoopResultBuilder]: At program point L801(lines 801 807) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:34:59,818 INFO L853 garLoopResultBuilder]: At program point L801-1(lines 801 807) the Hoare annotation is: false [2021-10-13 07:34:59,818 INFO L853 garLoopResultBuilder]: At program point L801-2(lines 801 807) the Hoare annotation is: false [2021-10-13 07:34:59,818 INFO L853 garLoopResultBuilder]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-13 07:34:59,818 INFO L853 garLoopResultBuilder]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2021-10-13 07:34:59,819 INFO L853 garLoopResultBuilder]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2021-10-13 07:34:59,819 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:34:59,819 INFO L853 garLoopResultBuilder]: At program point L241(lines 236 244) the Hoare annotation is: false [2021-10-13 07:34:59,819 INFO L853 garLoopResultBuilder]: At program point L241-1(lines 236 244) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,819 INFO L853 garLoopResultBuilder]: At program point L241-2(lines 236 244) the Hoare annotation is: false [2021-10-13 07:34:59,820 INFO L853 garLoopResultBuilder]: At program point L241-3(lines 236 244) the Hoare annotation is: false [2021-10-13 07:34:59,820 INFO L853 garLoopResultBuilder]: At program point L241-4(lines 236 244) the Hoare annotation is: false [2021-10-13 07:34:59,820 INFO L853 garLoopResultBuilder]: At program point L76(lines 1 1000) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,820 INFO L853 garLoopResultBuilder]: At program point L241-5(lines 236 244) the Hoare annotation is: false [2021-10-13 07:34:59,820 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2021-10-13 07:34:59,820 INFO L853 garLoopResultBuilder]: At program point L737-1(lines 737 743) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:34:59,821 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 185) no Hoare annotation was computed. [2021-10-13 07:34:59,821 INFO L860 garLoopResultBuilder]: At program point L178-1(lines 178 185) the Hoare annotation is: true [2021-10-13 07:34:59,821 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 07:34:59,821 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-13 07:34:59,821 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-13 07:34:59,821 INFO L853 garLoopResultBuilder]: At program point L773(lines 726 774) the Hoare annotation is: false [2021-10-13 07:34:59,822 INFO L853 garLoopResultBuilder]: At program point L674(lines 669 676) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,822 INFO L857 garLoopResultBuilder]: For program point L972(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,822 INFO L857 garLoopResultBuilder]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,822 INFO L857 garLoopResultBuilder]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,822 INFO L857 garLoopResultBuilder]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-9(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-11(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-12(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-14(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,823 INFO L857 garLoopResultBuilder]: For program point L972-15(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,824 INFO L857 garLoopResultBuilder]: For program point L972-17(lines 972 976) no Hoare annotation was computed. [2021-10-13 07:34:59,824 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:34:59,824 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:34:59,824 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:34:59,824 INFO L857 garLoopResultBuilder]: For program point L281-3(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:34:59,824 INFO L857 garLoopResultBuilder]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:34:59,826 INFO L857 garLoopResultBuilder]: For program point L281-5(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:34:59,827 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 220) no Hoare annotation was computed. [2021-10-13 07:34:59,827 INFO L853 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,827 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:34:59,827 INFO L853 garLoopResultBuilder]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,827 INFO L853 garLoopResultBuilder]: At program point L978(lines 963 981) the Hoare annotation is: false [2021-10-13 07:34:59,828 INFO L853 garLoopResultBuilder]: At program point L978-1(lines 963 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse2))) [2021-10-13 07:34:59,828 INFO L853 garLoopResultBuilder]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2021-10-13 07:34:59,828 INFO L853 garLoopResultBuilder]: At program point L978-3(lines 963 981) the Hoare annotation is: false [2021-10-13 07:34:59,828 INFO L853 garLoopResultBuilder]: At program point L978-4(lines 963 981) the Hoare annotation is: false [2021-10-13 07:34:59,828 INFO L853 garLoopResultBuilder]: At program point L978-5(lines 963 981) the Hoare annotation is: false [2021-10-13 07:34:59,828 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 753) no Hoare annotation was computed. [2021-10-13 07:34:59,829 INFO L853 garLoopResultBuilder]: At program point L747-1(lines 747 753) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:34:59,829 INFO L853 garLoopResultBuilder]: At program point L286(lines 277 290) the Hoare annotation is: false [2021-10-13 07:34:59,829 INFO L853 garLoopResultBuilder]: At program point L286-1(lines 277 290) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-13 07:34:59,829 INFO L853 garLoopResultBuilder]: At program point L286-2(lines 277 290) the Hoare annotation is: false [2021-10-13 07:34:59,829 INFO L853 garLoopResultBuilder]: At program point L286-3(lines 277 290) the Hoare annotation is: false [2021-10-13 07:34:59,830 INFO L860 garLoopResultBuilder]: At program point L187(lines 168 190) the Hoare annotation is: true [2021-10-13 07:34:59,830 INFO L853 garLoopResultBuilder]: At program point L286-4(lines 277 290) the Hoare annotation is: false [2021-10-13 07:34:59,830 INFO L853 garLoopResultBuilder]: At program point L286-5(lines 277 290) the Hoare annotation is: false [2021-10-13 07:34:59,830 INFO L853 garLoopResultBuilder]: At program point L914(lines 907 917) the Hoare annotation is: false [2021-10-13 07:34:59,830 INFO L853 garLoopResultBuilder]: At program point L914-1(lines 907 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,830 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 907 917) the Hoare annotation is: false [2021-10-13 07:34:59,831 INFO L853 garLoopResultBuilder]: At program point L914-3(lines 907 917) the Hoare annotation is: false [2021-10-13 07:34:59,831 INFO L853 garLoopResultBuilder]: At program point L914-4(lines 907 917) the Hoare annotation is: false [2021-10-13 07:34:59,831 INFO L853 garLoopResultBuilder]: At program point L914-5(lines 907 917) the Hoare annotation is: false [2021-10-13 07:34:59,831 INFO L853 garLoopResultBuilder]: At program point L684(lines 794 800) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-13 07:34:59,831 INFO L853 garLoopResultBuilder]: At program point L684-1(lines 794 800) the Hoare annotation is: false [2021-10-13 07:34:59,831 INFO L853 garLoopResultBuilder]: At program point L684-2(lines 794 800) the Hoare annotation is: false [2021-10-13 07:34:59,832 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:34:59,832 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 869) no Hoare annotation was computed. [2021-10-13 07:34:59,832 INFO L857 garLoopResultBuilder]: For program point L852-1(lines 852 869) no Hoare annotation was computed. [2021-10-13 07:34:59,832 INFO L857 garLoopResultBuilder]: For program point L852-2(lines 852 869) no Hoare annotation was computed. [2021-10-13 07:34:59,832 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:34:59,832 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 864) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L856-1(lines 856 864) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L856-2(lines 856 864) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 768) no Hoare annotation was computed. [2021-10-13 07:34:59,833 INFO L857 garLoopResultBuilder]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2021-10-13 07:34:59,834 INFO L857 garLoopResultBuilder]: For program point L889-6(lines 889 895) no Hoare annotation was computed. [2021-10-13 07:34:59,834 INFO L857 garLoopResultBuilder]: For program point L889-8(lines 889 895) no Hoare annotation was computed. [2021-10-13 07:34:59,834 INFO L857 garLoopResultBuilder]: For program point L889-10(lines 889 895) no Hoare annotation was computed. [2021-10-13 07:34:59,834 INFO L853 garLoopResultBuilder]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:34:59,834 INFO L853 garLoopResultBuilder]: At program point L923-1(lines 918 926) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:34:59,834 INFO L853 garLoopResultBuilder]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2021-10-13 07:34:59,835 INFO L853 garLoopResultBuilder]: At program point L923-3(lines 918 926) the Hoare annotation is: false [2021-10-13 07:34:59,835 INFO L853 garLoopResultBuilder]: At program point L923-4(lines 918 926) the Hoare annotation is: false [2021-10-13 07:34:59,835 INFO L853 garLoopResultBuilder]: At program point L923-5(lines 918 926) the Hoare annotation is: false [2021-10-13 07:34:59,835 INFO L853 garLoopResultBuilder]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:34:59,835 INFO L853 garLoopResultBuilder]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2021-10-13 07:34:59,835 INFO L853 garLoopResultBuilder]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2021-10-13 07:34:59,836 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:34:59,836 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:34:59,836 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 995) no Hoare annotation was computed. [2021-10-13 07:34:59,836 INFO L857 garLoopResultBuilder]: For program point L991-2(lines 991 995) no Hoare annotation was computed. [2021-10-13 07:34:59,836 INFO L857 garLoopResultBuilder]: For program point L991-3(lines 991 995) no Hoare annotation was computed. [2021-10-13 07:34:59,836 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 843) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L991-5(lines 991 995) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L826-1(lines 826 843) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L991-6(lines 991 995) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L826-2(lines 826 843) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L826-3(lines 826 843) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L991-8(lines 991 995) no Hoare annotation was computed. [2021-10-13 07:34:59,837 INFO L857 garLoopResultBuilder]: For program point L826-4(lines 826 843) no Hoare annotation was computed. [2021-10-13 07:34:59,838 INFO L857 garLoopResultBuilder]: For program point L826-5(lines 826 843) no Hoare annotation was computed. [2021-10-13 07:34:59,838 INFO L853 garLoopResultBuilder]: At program point L794(lines 790 812) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-13 07:34:59,838 INFO L853 garLoopResultBuilder]: At program point L794-1(lines 790 812) the Hoare annotation is: false [2021-10-13 07:34:59,838 INFO L857 garLoopResultBuilder]: For program point L728(lines 727 772) no Hoare annotation was computed. [2021-10-13 07:34:59,838 INFO L853 garLoopResultBuilder]: At program point L794-2(lines 790 812) the Hoare annotation is: false [2021-10-13 07:34:59,838 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2021-10-13 07:34:59,839 INFO L853 garLoopResultBuilder]: At program point L695-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-13 07:34:59,839 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2021-10-13 07:34:59,839 INFO L853 garLoopResultBuilder]: At program point L695-3(lines 1 1000) the Hoare annotation is: false [2021-10-13 07:34:59,839 INFO L857 garLoopResultBuilder]: For program point L695-4(lines 695 712) no Hoare annotation was computed. [2021-10-13 07:34:59,839 INFO L853 garLoopResultBuilder]: At program point L695-5(lines 1 1000) the Hoare annotation is: false [2021-10-13 07:34:59,839 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2021-10-13 07:34:59,844 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:34:59,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:34:59 BoogieIcfgContainer [2021-10-13 07:34:59,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:34:59,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:34:59,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:34:59,870 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:34:59,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:34:34" (3/4) ... [2021-10-13 07:34:59,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:34:59,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:34:59,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:34:59,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:34:59,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:34:59,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:34:59,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:34:59,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:34:59,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:34:59,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:34:59,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-13 07:34:59,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:34:59,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:34:59,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-13 07:34:59,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:34:59,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:34:59,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 1bv32 == \result [2021-10-13 07:34:59,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 07:35:00,023 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:35:00,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:35:00,026 INFO L168 Benchmark]: Toolchain (without parser) took 28967.99 ms. Allocated memory was 54.5 MB in the beginning and 109.1 MB in the end (delta: 54.5 MB). Free memory was 31.8 MB in the beginning and 28.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,026 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:35:00,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.48 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 48.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.93 ms. Allocated memory is still 69.2 MB. Free memory was 48.4 MB in the beginning and 44.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,028 INFO L168 Benchmark]: Boogie Preprocessor took 94.25 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 41.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,028 INFO L168 Benchmark]: RCFGBuilder took 2516.48 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 48.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,029 INFO L168 Benchmark]: TraceAbstraction took 25411.98 ms. Allocated memory was 69.2 MB in the beginning and 109.1 MB in the end (delta: 39.8 MB). Free memory was 48.0 MB in the beginning and 40.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,029 INFO L168 Benchmark]: Witness Printer took 154.20 ms. Allocated memory is still 109.1 MB. Free memory was 40.3 MB in the beginning and 28.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:35:00,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.48 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 48.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.93 ms. Allocated memory is still 69.2 MB. Free memory was 48.4 MB in the beginning and 44.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.25 ms. Allocated memory is still 69.2 MB. Free memory was 44.2 MB in the beginning and 41.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2516.48 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 48.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25411.98 ms. Allocated memory was 69.2 MB in the beginning and 109.1 MB in the end (delta: 39.8 MB). Free memory was 48.0 MB in the beginning and 40.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * Witness Printer took 154.20 ms. Allocated memory is still 109.1 MB. Free memory was 40.3 MB in the beginning and 28.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 25335.0ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 30.2ms, AutomataDifference: 11523.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3246.8ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1411 SDtfs, 2932 SDslu, 4024 SDs, 0 SdLazy, 1025 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8954.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1269 GetRequests, 1145 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 1802.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=10, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 250.3ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1833 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 143 NumberOfFragments, 609 HoareAnnotationTreeSize, 61 FomulaSimplifications, 252902 FormulaSimplificationTreeSizeReduction, 898.6ms HoareSimplificationTime, 61 FomulaSimplificationsInter, 21765 FormulaSimplificationTreeSizeReductionInter, 2335.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 325.9ms SsaConstructionTime, 1480.3ms SatisfiabilityAnalysisTime, 3834.6ms InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 2050 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2975 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 296/320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 1bv32 == \result - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:35:00,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814a4a83-4d07-4277-a75b-c3021702ca7f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...