./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4003051e8c7e84d7a7481775cdc05def8cb96ed2 ............................................................................................................................................ 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_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4003051e8c7e84d7a7481775cdc05def8cb96ed2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:05,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:05,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:05,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:05,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:05,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:05,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:05,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:05,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:05,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:05,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:05,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:05,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:05,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:05,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:05,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:05,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:05,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:05,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:05,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:05,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:05,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:05,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:05,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:05,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:05,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:05,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:05,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:05,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:05,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:05,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:05,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:05,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:05,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:05,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:05,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:05,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:05,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:05,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:05,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:05,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:05,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:05,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:05,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:05,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:05,467 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:05,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:05,468 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:05,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:05,468 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:05,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:05,469 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:05,470 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:05,470 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:05,470 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:05,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:05,471 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:05,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:05,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:05,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:05,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:05,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:05,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:05,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:05,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:05,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:05,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:05,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:05,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:05,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:05,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:05,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:05,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:05,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:05,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:05,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:05,478 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:05,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:05,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:05,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:05,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:05,479 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_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2021-10-11 02:30:05,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:05,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:05,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:05,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:05,817 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:05,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-11 02:30:05,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/a961a6173/36c6941ad02c4ad89e2fe56934b66254/FLAGb59e6176f [2021-10-11 02:30:06,476 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:06,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-11 02:30:06,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/a961a6173/36c6941ad02c4ad89e2fe56934b66254/FLAGb59e6176f [2021-10-11 02:30:06,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/a961a6173/36c6941ad02c4ad89e2fe56934b66254 [2021-10-11 02:30:06,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:06,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:06,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:06,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:06,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:06,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:06" (1/1) ... [2021-10-11 02:30:06,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ff3a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:06, skipping insertion in model container [2021-10-11 02:30:06,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:06" (1/1) ... [2021-10-11 02:30:06,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:06,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:07,105 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-11 02:30:07,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:07,243 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:07,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4499c812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:07, skipping insertion in model container [2021-10-11 02:30:07,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:07,244 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:07,247 INFO L168 Benchmark]: Toolchain (without parser) took 435.57 ms. Allocated memory is still 94.4 MB. Free memory was 51.8 MB in the beginning and 66.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,248 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:07,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.10 ms. Allocated memory is still 94.4 MB. Free memory was 51.6 MB in the beginning and 66.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:07,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.10 ms. Allocated memory is still 94.4 MB. Free memory was 51.6 MB in the beginning and 66.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 474]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:09,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:09,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:09,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:09,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:09,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:09,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:09,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:09,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:09,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:09,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:09,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:09,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:09,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:09,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:09,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:09,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:09,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:09,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:09,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:09,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:09,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:09,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:09,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:09,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:09,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:09,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:09,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:09,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:09,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:09,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:09,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:09,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:09,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:09,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:09,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:09,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:09,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:09,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:09,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:09,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:09,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:09,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:09,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:09,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:09,796 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:09,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:09,797 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:09,797 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:09,797 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:09,798 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:09,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:09,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:09,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:09,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:09,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:09,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:09,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:09,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:09,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:09,802 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:09,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:09,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:09,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:09,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:09,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:09,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:09,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:09,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:09,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:09,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:09,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:09,806 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:09,806 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:09,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:09,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:09,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:09,807 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_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2021-10-11 02:30:10,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:10,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:10,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:10,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:10,263 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:10,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-11 02:30:10,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/b0fcf3365/25168e854bce4e17831f675dc0e888a8/FLAG7a9156e14 [2021-10-11 02:30:11,067 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:11,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-11 02:30:11,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/b0fcf3365/25168e854bce4e17831f675dc0e888a8/FLAG7a9156e14 [2021-10-11 02:30:11,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/data/b0fcf3365/25168e854bce4e17831f675dc0e888a8 [2021-10-11 02:30:11,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:11,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:11,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:11,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:11,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:11,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:11" (1/1) ... [2021-10-11 02:30:11,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2330a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:11, skipping insertion in model container [2021-10-11 02:30:11,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:11" (1/1) ... [2021-10-11 02:30:11,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:11,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:11,634 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-11 02:30:11,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:11,866 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:11,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:11,880 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-11 02:30:11,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:11,969 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:11,985 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-11 02:30:12,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:12,092 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:12,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12 WrapperNode [2021-10-11 02:30:12,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:12,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:12,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:12,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:12,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:12,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:12,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:12,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:12,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:12,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:12,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:12,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:12,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:14,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:14,557 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-10-11 02:30:14,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:14 BoogieIcfgContainer [2021-10-11 02:30:14,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:14,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:14,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:14,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:14,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:11" (1/3) ... [2021-10-11 02:30:14,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5442385f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:14, skipping insertion in model container [2021-10-11 02:30:14,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12" (2/3) ... [2021-10-11 02:30:14,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5442385f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:14, skipping insertion in model container [2021-10-11 02:30:14,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:14" (3/3) ... [2021-10-11 02:30:14,567 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-10-11 02:30:14,581 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:14,585 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:14,596 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:14,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:14,620 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:14,621 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:14,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:14,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:14,621 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:14,621 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:14,621 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2021-10-11 02:30:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:14,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:14,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:14,644 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:14,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2021-10-11 02:30:14,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:14,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553636403] [2021-10-11 02:30:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:14,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:14,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:14,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:14,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553636403] [2021-10-11 02:30:14,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:14,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:14,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139511844] [2021-10-11 02:30:14,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:14,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:14,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:14,956 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2021-10-11 02:30:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:14,987 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-11 02:30:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:14,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:30:14,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:14,998 INFO L225 Difference]: With dead ends: 245 [2021-10-11 02:30:14,999 INFO L226 Difference]: Without dead ends: 122 [2021-10-11 02:30:15,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:15,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-11 02:30:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-11 02:30:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 02:30:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-11 02:30:15,044 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-11 02:30:15,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:15,045 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-11 02:30:15,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-11 02:30:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:30:15,046 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:15,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:15,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:15,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:15,265 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2021-10-11 02:30:15,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:15,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089155022] [2021-10-11 02:30:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:15,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:15,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:15,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:15,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089155022] [2021-10-11 02:30:15,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:15,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:15,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131357405] [2021-10-11 02:30:15,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:15,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:15,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:15,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:15,530 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2021-10-11 02:30:15,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:15,543 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-11 02:30:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:15,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:30:15,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:15,545 INFO L225 Difference]: With dead ends: 122 [2021-10-11 02:30:15,545 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:30:15,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:15,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:30:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:30:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:30:15,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-11 02:30:15,553 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-11 02:30:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:15,553 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-11 02:30:15,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-11 02:30:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:15,554 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:15,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:15,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,771 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:15,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:15,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2021-10-11 02:30:15,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:15,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621537749] [2021-10-11 02:30:15,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:15,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:15,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:15,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:15,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621537749] [2021-10-11 02:30:15,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:15,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:15,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066379510] [2021-10-11 02:30:15,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:15,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:15,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:15,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:15,998 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2021-10-11 02:30:16,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:16,031 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-11 02:30:16,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:16,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:30:16,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:16,033 INFO L225 Difference]: With dead ends: 95 [2021-10-11 02:30:16,033 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:30:16,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:16,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:30:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:30:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:30:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-11 02:30:16,041 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-11 02:30:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:16,042 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-11 02:30:16,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-11 02:30:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:30:16,043 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:16,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:16,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:16,256 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:16,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:16,257 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2021-10-11 02:30:16,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:16,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097455754] [2021-10-11 02:30:16,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:16,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:16,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:16,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:16,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097455754] [2021-10-11 02:30:16,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:16,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:16,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458185811] [2021-10-11 02:30:16,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:16,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:16,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:16,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:16,501 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2021-10-11 02:30:16,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:16,577 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-11 02:30:16,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:16,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 02:30:16,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:16,584 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:30:16,584 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:30:16,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:16,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:30:16,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-11 02:30:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:30:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 02:30:16,609 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-11 02:30:16,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:16,612 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 02:30:16,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 02:30:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:16,616 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:16,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:16,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:16,832 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:16,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:16,832 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2021-10-11 02:30:16,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:16,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91416429] [2021-10-11 02:30:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:17,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:17,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:17,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:17,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91416429] [2021-10-11 02:30:17,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:17,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:17,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081091469] [2021-10-11 02:30:17,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:17,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:17,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:17,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:17,087 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2021-10-11 02:30:17,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:17,167 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-10-11 02:30:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:17,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:30:17,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:17,169 INFO L225 Difference]: With dead ends: 203 [2021-10-11 02:30:17,169 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:30:17,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:17,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:30:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-11 02:30:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:30:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-11 02:30:17,182 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-11 02:30:17,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:17,182 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-11 02:30:17,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-11 02:30:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:17,183 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:17,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:17,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:17,401 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2021-10-11 02:30:17,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:17,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6053443] [2021-10-11 02:30:17,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:17,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:17,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:17,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:17,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6053443] [2021-10-11 02:30:17,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:17,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:17,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919607784] [2021-10-11 02:30:17,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:17,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:17,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:17,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:17,667 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2021-10-11 02:30:17,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:17,787 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-11 02:30:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:17,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:30:17,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:17,790 INFO L225 Difference]: With dead ends: 202 [2021-10-11 02:30:17,790 INFO L226 Difference]: Without dead ends: 132 [2021-10-11 02:30:17,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:17,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-11 02:30:17,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-11 02:30:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-10-11 02:30:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-11 02:30:17,820 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-11 02:30:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:17,822 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-11 02:30:17,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-11 02:30:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:17,824 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:17,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:18,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:18,028 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:18,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:18,028 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2021-10-11 02:30:18,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:18,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35374271] [2021-10-11 02:30:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:18,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:18,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:18,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:18,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35374271] [2021-10-11 02:30:18,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:18,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:18,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65603943] [2021-10-11 02:30:18,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:18,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:18,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:18,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:18,325 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2021-10-11 02:30:18,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:18,571 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-11 02:30:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:18,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:30:18,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:18,574 INFO L225 Difference]: With dead ends: 282 [2021-10-11 02:30:18,574 INFO L226 Difference]: Without dead ends: 206 [2021-10-11 02:30:18,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:18,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-11 02:30:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-11 02:30:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-10-11 02:30:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-11 02:30:18,588 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-11 02:30:18,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:18,588 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-11 02:30:18,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-11 02:30:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:18,589 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:18,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:18,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:18,809 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:18,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:18,810 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2021-10-11 02:30:18,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:18,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951573823] [2021-10-11 02:30:18,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:19,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:19,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:19,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:19,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951573823] [2021-10-11 02:30:19,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:19,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:19,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529437897] [2021-10-11 02:30:19,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:19,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:19,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:19,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:19,077 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2021-10-11 02:30:19,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:19,147 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-11 02:30:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:19,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:30:19,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:19,150 INFO L225 Difference]: With dead ends: 185 [2021-10-11 02:30:19,153 INFO L226 Difference]: Without dead ends: 110 [2021-10-11 02:30:19,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-11 02:30:19,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-11 02:30:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2021-10-11 02:30:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-11 02:30:19,176 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-11 02:30:19,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:19,177 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-11 02:30:19,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-11 02:30:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:30:19,182 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:19,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:19,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:19,398 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:19,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2021-10-11 02:30:19,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:19,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111074644] [2021-10-11 02:30:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:19,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:30:19,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:19,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:19,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111074644] [2021-10-11 02:30:19,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:19,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:19,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278803483] [2021-10-11 02:30:19,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:19,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:19,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:19,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:19,694 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 6 states. [2021-10-11 02:30:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:21,347 INFO L93 Difference]: Finished difference Result 528 states and 711 transitions. [2021-10-11 02:30:21,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:30:21,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:30:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:21,351 INFO L225 Difference]: With dead ends: 528 [2021-10-11 02:30:21,351 INFO L226 Difference]: Without dead ends: 453 [2021-10-11 02:30:21,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:30:21,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-10-11 02:30:21,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 192. [2021-10-11 02:30:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-10-11 02:30:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-11 02:30:21,382 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 35 [2021-10-11 02:30:21,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:21,382 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-11 02:30:21,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-11 02:30:21,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:30:21,384 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:21,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:21,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:21,600 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:21,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:21,600 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2021-10-11 02:30:21,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:21,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548793443] [2021-10-11 02:30:21,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:21,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:21,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:30:21,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:21,937 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:30:21,937 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:30:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:30:22,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548793443] [2021-10-11 02:30:22,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2072977272] [2021-10-11 02:30:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:22,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:22,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790126850] [2021-10-11 02:30:22,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:22,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:22,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:30:22,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 15 [2021-10-11 02:30:22,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104565956] [2021-10-11 02:30:22,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-10-11 02:30:22,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:22,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-11 02:30:22,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:30:22,745 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 15 states. [2021-10-11 02:30:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,601 INFO L93 Difference]: Finished difference Result 1365 states and 1895 transitions. [2021-10-11 02:30:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-11 02:30:31,602 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 58 [2021-10-11 02:30:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,609 INFO L225 Difference]: With dead ends: 1365 [2021-10-11 02:30:31,609 INFO L226 Difference]: Without dead ends: 1180 [2021-10-11 02:30:31,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1549, Invalid=6641, Unknown=0, NotChecked=0, Total=8190 [2021-10-11 02:30:31,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2021-10-11 02:30:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 266. [2021-10-11 02:30:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-10-11 02:30:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 344 transitions. [2021-10-11 02:30:31,658 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 344 transitions. Word has length 58 [2021-10-11 02:30:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,659 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 344 transitions. [2021-10-11 02:30:31,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-10-11 02:30:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 344 transitions. [2021-10-11 02:30:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-11 02:30:31,661 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,661 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:32,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:32,290 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:32,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash -741655465, now seen corresponding path program 1 times [2021-10-11 02:30:32,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:32,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234095293] [2021-10-11 02:30:32,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:32,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:32,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-11 02:30:32,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:32,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234095293] [2021-10-11 02:30:32,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:32,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:32,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340560172] [2021-10-11 02:30:32,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:32,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:32,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:32,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:32,620 INFO L87 Difference]: Start difference. First operand 266 states and 344 transitions. Second operand 5 states. [2021-10-11 02:30:32,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:32,695 INFO L93 Difference]: Finished difference Result 455 states and 580 transitions. [2021-10-11 02:30:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:32,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2021-10-11 02:30:32,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:32,696 INFO L225 Difference]: With dead ends: 455 [2021-10-11 02:30:32,696 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:32,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:32,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:32,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:32,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-11 02:30:32,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:32,698 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:32,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:32,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:32,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2021-10-11 02:30:32,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:33,106 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2021-10-11 02:30:33,388 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2021-10-11 02:30:34,070 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2021-10-11 02:30:34,504 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2021-10-11 02:30:34,775 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2021-10-11 02:30:35,212 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2021-10-11 02:30:35,556 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2021-10-11 02:30:35,826 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2021-10-11 02:30:36,234 WARN L197 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2021-10-11 02:30:36,602 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2021-10-11 02:30:36,820 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2021-10-11 02:30:37,283 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2021-10-11 02:30:37,635 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2021-10-11 02:30:37,638 INFO L258 CegarLoopResult]: At program point L894(lines 889 897) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,638 INFO L258 CegarLoopResult]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse4 .cse5) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 .cse4))) [2021-10-11 02:30:37,638 INFO L258 CegarLoopResult]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2021-10-11 02:30:37,639 INFO L258 CegarLoopResult]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2021-10-11 02:30:37,639 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:30:37,639 INFO L258 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: false [2021-10-11 02:30:37,639 INFO L262 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,639 INFO L262 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,639 INFO L262 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,640 INFO L262 CegarLoopResult]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L106(lines 106 123) no Hoare annotation was computed. [2021-10-11 02:30:37,641 INFO L262 CegarLoopResult]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2021-10-11 02:30:37,642 INFO L262 CegarLoopResult]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2021-10-11 02:30:37,642 INFO L262 CegarLoopResult]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2021-10-11 02:30:37,642 INFO L262 CegarLoopResult]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2021-10-11 02:30:37,642 INFO L262 CegarLoopResult]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2021-10-11 02:30:37,642 INFO L262 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-10-11 02:30:37,642 INFO L258 CegarLoopResult]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse4 .cse2))) [2021-10-11 02:30:37,643 INFO L258 CegarLoopResult]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) .cse2 (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse4 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse2 .cse4 .cse3))) [2021-10-11 02:30:37,643 INFO L258 CegarLoopResult]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2021-10-11 02:30:37,643 INFO L258 CegarLoopResult]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2021-10-11 02:30:37,643 INFO L258 CegarLoopResult]: At program point L240(lines 225 243) the Hoare annotation is: false [2021-10-11 02:30:37,644 INFO L258 CegarLoopResult]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2021-10-11 02:30:37,644 INFO L258 CegarLoopResult]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2021-10-11 02:30:37,644 INFO L258 CegarLoopResult]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2021-10-11 02:30:37,644 INFO L258 CegarLoopResult]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2021-10-11 02:30:37,644 INFO L258 CegarLoopResult]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2021-10-11 02:30:37,645 INFO L262 CegarLoopResult]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2021-10-11 02:30:37,646 INFO L262 CegarLoopResult]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2021-10-11 02:30:37,646 INFO L258 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,646 INFO L258 CegarLoopResult]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2021-10-11 02:30:37,646 INFO L258 CegarLoopResult]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2021-10-11 02:30:37,646 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:30:37,646 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:30:37,646 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:30:37,646 INFO L262 CegarLoopResult]: For program point L839(lines 839 856) no Hoare annotation was computed. [2021-10-11 02:30:37,647 INFO L258 CegarLoopResult]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse6 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 02:30:37,647 INFO L262 CegarLoopResult]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2021-10-11 02:30:37,647 INFO L258 CegarLoopResult]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2021-10-11 02:30:37,647 INFO L262 CegarLoopResult]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2021-10-11 02:30:37,647 INFO L258 CegarLoopResult]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2021-10-11 02:30:37,647 INFO L258 CegarLoopResult]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 02:30:37,647 INFO L258 CegarLoopResult]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2021-10-11 02:30:37,647 INFO L258 CegarLoopResult]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2021-10-11 02:30:37,647 INFO L262 CegarLoopResult]: For program point L843(lines 843 853) no Hoare annotation was computed. [2021-10-11 02:30:37,647 INFO L262 CegarLoopResult]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2021-10-11 02:30:37,648 INFO L262 CegarLoopResult]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2021-10-11 02:30:37,648 INFO L262 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2021-10-11 02:30:37,648 INFO L262 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:30:37,648 INFO L258 CegarLoopResult]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2021-10-11 02:30:37,648 INFO L262 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:30:37,648 INFO L262 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-10-11 02:30:37,648 INFO L262 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-11 02:30:37,649 INFO L262 CegarLoopResult]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2021-10-11 02:30:37,649 INFO L262 CegarLoopResult]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2021-10-11 02:30:37,649 INFO L262 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2021-10-11 02:30:37,649 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:37,649 INFO L258 CegarLoopResult]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse5 .cse1 .cse2))) [2021-10-11 02:30:37,649 INFO L258 CegarLoopResult]: At program point L185-1(lines 180 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,650 INFO L258 CegarLoopResult]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2021-10-11 02:30:37,650 INFO L258 CegarLoopResult]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2021-10-11 02:30:37,650 INFO L258 CegarLoopResult]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2021-10-11 02:30:37,650 INFO L258 CegarLoopResult]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2021-10-11 02:30:37,650 INFO L258 CegarLoopResult]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse4 .cse5 .cse3))) [2021-10-11 02:30:37,651 INFO L258 CegarLoopResult]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-11 02:30:37,651 INFO L258 CegarLoopResult]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-11 02:30:37,651 INFO L262 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2021-10-11 02:30:37,651 INFO L262 CegarLoopResult]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-11 02:30:37,651 INFO L262 CegarLoopResult]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2021-10-11 02:30:37,651 INFO L262 CegarLoopResult]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2021-10-11 02:30:37,651 INFO L262 CegarLoopResult]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L262 CegarLoopResult]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L262 CegarLoopResult]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L262 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L262 CegarLoopResult]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L262 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L262 CegarLoopResult]: For program point L982(lines 982 989) no Hoare annotation was computed. [2021-10-11 02:30:37,652 INFO L265 CegarLoopResult]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2021-10-11 02:30:37,653 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:37,653 INFO L258 CegarLoopResult]: At program point L818(lines 813 820) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,653 INFO L262 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-10-11 02:30:37,653 INFO L258 CegarLoopResult]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse4 .cse2))) [2021-10-11 02:30:37,653 INFO L258 CegarLoopResult]: At program point L886(lines 1 994) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,654 INFO L258 CegarLoopResult]: At program point L259(lines 244 262) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,654 INFO L258 CegarLoopResult]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2021-10-11 02:30:37,654 INFO L258 CegarLoopResult]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2021-10-11 02:30:37,654 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:37,654 INFO L262 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-10-11 02:30:37,654 INFO L262 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2021-10-11 02:30:37,654 INFO L262 CegarLoopResult]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2021-10-11 02:30:37,655 INFO L262 CegarLoopResult]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2021-10-11 02:30:37,655 INFO L262 CegarLoopResult]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2021-10-11 02:30:37,655 INFO L262 CegarLoopResult]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2021-10-11 02:30:37,655 INFO L262 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-10-11 02:30:37,655 INFO L262 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-10-11 02:30:37,655 INFO L258 CegarLoopResult]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse4 .cse2))) [2021-10-11 02:30:37,656 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:37,656 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:30:37,656 INFO L262 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2021-10-11 02:30:37,656 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2021-10-11 02:30:37,656 INFO L262 CegarLoopResult]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2021-10-11 02:30:37,656 INFO L265 CegarLoopResult]: At program point L991(lines 972 994) the Hoare annotation is: true [2021-10-11 02:30:37,657 INFO L258 CegarLoopResult]: At program point L958(lines 954 960) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:37,657 INFO L258 CegarLoopResult]: At program point L431(lines 422 435) the Hoare annotation is: false [2021-10-11 02:30:37,657 INFO L258 CegarLoopResult]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2021-10-11 02:30:37,657 INFO L258 CegarLoopResult]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2021-10-11 02:30:37,657 INFO L258 CegarLoopResult]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2021-10-11 02:30:37,657 INFO L258 CegarLoopResult]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2021-10-11 02:30:37,658 INFO L258 CegarLoopResult]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2021-10-11 02:30:37,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:37 BoogieIcfgContainer [2021-10-11 02:30:37,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:37,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:37,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:37,691 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:37,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:14" (3/4) ... [2021-10-11 02:30:37,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:37,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:37,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:37,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:37,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:37,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:37,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:37,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:37,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:37,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:37,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:37,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && 1bv32 == \result) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == tmp) && 1bv32 == \result) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:37,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:37,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:37,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:37,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:37,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:37,760 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:30:37,760 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:37,847 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8923076-a617-47bc-a6f4-ee1bef1a99b3/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:37,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:37,848 INFO L168 Benchmark]: Toolchain (without parser) took 26547.60 ms. Allocated memory was 67.1 MB in the beginning and 136.3 MB in the end (delta: 69.2 MB). Free memory was 46.4 MB in the beginning and 81.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,849 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:37,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.20 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 70.7 MB in the end (delta: -24.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.88 ms. Allocated memory is still 90.2 MB. Free memory was 70.7 MB in the beginning and 67.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,851 INFO L168 Benchmark]: Boogie Preprocessor took 52.36 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 64.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,851 INFO L168 Benchmark]: RCFGBuilder took 2339.37 ms. Allocated memory is still 90.2 MB. Free memory was 64.4 MB in the beginning and 60.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,852 INFO L168 Benchmark]: TraceAbstraction took 23128.87 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 59.3 MB in the beginning and 91.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 72.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,852 INFO L168 Benchmark]: Witness Printer took 157.14 ms. Allocated memory is still 136.3 MB. Free memory was 91.6 MB in the beginning and 81.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:37,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 790.20 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 70.7 MB in the end (delta: -24.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.88 ms. Allocated memory is still 90.2 MB. Free memory was 70.7 MB in the beginning and 67.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.36 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 64.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2339.37 ms. Allocated memory is still 90.2 MB. Free memory was 64.4 MB in the beginning and 60.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23128.87 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 59.3 MB in the beginning and 91.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 72.9 MB. Max. memory is 16.1 GB. * Witness Printer took 157.14 ms. Allocated memory is still 136.3 MB. Free memory was 91.6 MB in the beginning and 81.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && 1bv32 == \result) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == tmp) && 1bv32 == \result) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1282 SDtfs, 3307 SDslu, 3107 SDs, 0 SdLazy, 845 SolverSat, 193 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 868 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2861 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1410 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 136 NumberOfFragments, 876 HoareAnnotationTreeSize, 50 FomulaSimplifications, 135839 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 50 FomulaSimplificationsInter, 20074 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 83979 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2938 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 181/205 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...