./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.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_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/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_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/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_3f8eef91-311e-49cd-9ac6-1e44279aa399/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 a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 ............................................................................................................................................ 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/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_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/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_3f8eef91-311e-49cd-9ac6-1e44279aa399/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 a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:37,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:37,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:37,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:37,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:37,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:37,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:37,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:37,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:37,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:37,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:37,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:37,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:37,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:37,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:37,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:37,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:37,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:37,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:37,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:37,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:37,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:37,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:37,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:37,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:37,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:37,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:37,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:37,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:37,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:37,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:37,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:37,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:37,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:37,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:37,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:37,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:37,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:37,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:37,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:37,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:37,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:37,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:37,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:37,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:37,516 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:37,516 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:37,516 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:37,517 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:37,517 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:37,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:37,529 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:37,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:37,531 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:37,531 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:37,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:37,532 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:37,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:37,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:37,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:37,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:37,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:37,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:37,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:37,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:37,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:37,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:37,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:37,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:37,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:37,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:37,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:37,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:37,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:37,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:37,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:37,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:37,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:37,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:37,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:37,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:37,542 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 [2021-10-11 02:25:37,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:37,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:37,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:37,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:37,855 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:37,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-10-11 02:25:37,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/bcca23ec7/2ae5958a636b4e6bbe7956c317c70f47/FLAG2ad85c53b [2021-10-11 02:25:38,527 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:38,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-10-11 02:25:38,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/bcca23ec7/2ae5958a636b4e6bbe7956c317c70f47/FLAG2ad85c53b [2021-10-11 02:25:38,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/bcca23ec7/2ae5958a636b4e6bbe7956c317c70f47 [2021-10-11 02:25:38,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:38,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:38,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:38,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:38,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:38,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:38" (1/1) ... [2021-10-11 02:25:38,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f73be82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:38, skipping insertion in model container [2021-10-11 02:25:38,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:38" (1/1) ... [2021-10-11 02:25:38,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:38,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:39,285 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-10-11 02:25:39,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:39,301 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:25:39,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6858d719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:39, skipping insertion in model container [2021-10-11 02:25:39,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:39,303 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:39,305 INFO L168 Benchmark]: Toolchain (without parser) took 469.43 ms. Allocated memory is still 104.9 MB. Free memory was 60.9 MB in the beginning and 76.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:39,306 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory is still 77.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:39,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.03 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 76.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:39,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory is still 77.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.03 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 76.2 MB in the end (delta: -15.5 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: 171]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:41,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:41,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:41,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:41,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:41,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:41,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:41,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:41,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:41,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:41,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:41,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:41,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:41,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:41,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:41,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:41,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:41,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:41,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:41,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:41,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:41,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:41,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:41,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:41,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:41,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:41,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:41,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:41,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:41,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:41,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:41,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:41,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:41,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:41,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:41,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:41,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:41,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:41,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:41,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:41,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:41,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:41,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:41,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:41,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:41,821 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:41,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:41,822 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:41,822 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:41,822 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:41,823 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:41,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:41,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:41,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:41,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:41,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:41,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:41,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:41,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:41,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:41,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:41,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:41,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:41,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:41,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:41,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:41,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:41,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:41,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:41,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:41,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:41,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:41,832 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:41,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:41,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:41,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:41,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:41,833 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 [2021-10-11 02:25:42,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:42,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:42,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:42,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:42,314 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:42,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-10-11 02:25:42,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/903fec728/f825ecca13514f8794c685ee51675d54/FLAG67244237f [2021-10-11 02:25:43,076 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:43,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-10-11 02:25:43,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/903fec728/f825ecca13514f8794c685ee51675d54/FLAG67244237f [2021-10-11 02:25:43,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/data/903fec728/f825ecca13514f8794c685ee51675d54 [2021-10-11 02:25:43,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:43,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:43,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:43,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:43,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:43,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:43" (1/1) ... [2021-10-11 02:25:43,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9ad6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:43, skipping insertion in model container [2021-10-11 02:25:43,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:43" (1/1) ... [2021-10-11 02:25:43,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:43,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:43,811 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-10-11 02:25:43,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:43,842 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:43,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:43,995 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-10-11 02:25:44,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:44,006 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:44,086 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_3f8eef91-311e-49cd-9ac6-1e44279aa399/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-10-11 02:25:44,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:44,142 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:44,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44 WrapperNode [2021-10-11 02:25:44,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:44,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:44,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:44,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:44,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:44,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:44,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:44,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:44,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... [2021-10-11 02:25:44,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:44,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:44,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:44,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:44,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:44,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:47,164 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:47,165 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-10-11 02:25:47,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:47 BoogieIcfgContainer [2021-10-11 02:25:47,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:47,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:47,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:47,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:47,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:43" (1/3) ... [2021-10-11 02:25:47,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5a2b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:47, skipping insertion in model container [2021-10-11 02:25:47,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:44" (2/3) ... [2021-10-11 02:25:47,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5a2b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:47, skipping insertion in model container [2021-10-11 02:25:47,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:47" (3/3) ... [2021-10-11 02:25:47,179 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2021-10-11 02:25:47,198 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:47,202 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:47,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:47,252 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:47,253 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:47,253 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:47,253 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:47,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:47,253 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:47,254 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:47,254 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2021-10-11 02:25:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:25:47,297 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:47,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:47,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:47,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1388908220, now seen corresponding path program 1 times [2021-10-11 02:25:47,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:47,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479659170] [2021-10-11 02:25:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:47,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:47,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:47,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:47,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479659170] [2021-10-11 02:25:47,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:47,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:47,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046794809] [2021-10-11 02:25:47,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:47,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:47,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:47,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:47,735 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2021-10-11 02:25:47,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:47,767 INFO L93 Difference]: Finished difference Result 179 states and 270 transitions. [2021-10-11 02:25:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:47,768 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:25:47,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:47,780 INFO L225 Difference]: With dead ends: 179 [2021-10-11 02:25:47,780 INFO L226 Difference]: Without dead ends: 89 [2021-10-11 02:25:47,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:47,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-11 02:25:47,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-10-11 02:25:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-10-11 02:25:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2021-10-11 02:25:47,858 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 18 [2021-10-11 02:25:47,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:47,858 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2021-10-11 02:25:47,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2021-10-11 02:25:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:25:47,860 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:47,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:48,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,078 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:48,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:48,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1607744189, now seen corresponding path program 1 times [2021-10-11 02:25:48,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:48,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635687305] [2021-10-11 02:25:48,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:48,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:48,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:48,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:48,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635687305] [2021-10-11 02:25:48,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:48,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:48,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187936912] [2021-10-11 02:25:48,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:48,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:48,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:48,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:48,458 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand 3 states. [2021-10-11 02:25:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:48,489 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-11 02:25:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:48,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:25:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:48,492 INFO L225 Difference]: With dead ends: 89 [2021-10-11 02:25:48,492 INFO L226 Difference]: Without dead ends: 41 [2021-10-11 02:25:48,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:48,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-11 02:25:48,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-11 02:25:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-10-11 02:25:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2021-10-11 02:25:48,508 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 19 [2021-10-11 02:25:48,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:48,508 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2021-10-11 02:25:48,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-10-11 02:25:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:25:48,510 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:48,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:48,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,716 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:48,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:48,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1417220031, now seen corresponding path program 1 times [2021-10-11 02:25:48,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:48,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781570191] [2021-10-11 02:25:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:48,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:48,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:49,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:49,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781570191] [2021-10-11 02:25:49,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:49,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:49,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032137164] [2021-10-11 02:25:49,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:49,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:49,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:49,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:49,065 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand 3 states. [2021-10-11 02:25:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:49,104 INFO L93 Difference]: Finished difference Result 109 states and 160 transitions. [2021-10-11 02:25:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:49,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:25:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:49,109 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:25:49,109 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:25:49,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:25:49,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2021-10-11 02:25:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:25:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-11 02:25:49,127 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 24 [2021-10-11 02:25:49,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:49,127 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-11 02:25:49,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-11 02:25:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:25:49,129 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:49,129 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] [2021-10-11 02:25:49,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:49,353 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:49,353 INFO L82 PathProgramCache]: Analyzing trace with hash -462384263, now seen corresponding path program 1 times [2021-10-11 02:25:49,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:49,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455579743] [2021-10-11 02:25:49,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:49,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:49,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:49,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:49,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455579743] [2021-10-11 02:25:49,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:49,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:49,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332704179] [2021-10-11 02:25:49,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:49,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:49,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:49,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:49,688 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2021-10-11 02:25:49,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:49,775 INFO L93 Difference]: Finished difference Result 178 states and 267 transitions. [2021-10-11 02:25:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:49,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:25:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:49,779 INFO L225 Difference]: With dead ends: 178 [2021-10-11 02:25:49,779 INFO L226 Difference]: Without dead ends: 114 [2021-10-11 02:25:49,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:49,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-10-11 02:25:49,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2021-10-11 02:25:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-10-11 02:25:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 164 transitions. [2021-10-11 02:25:49,809 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 164 transitions. Word has length 25 [2021-10-11 02:25:49,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:49,809 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 164 transitions. [2021-10-11 02:25:49,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 164 transitions. [2021-10-11 02:25:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:25:49,811 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:49,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:50,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:50,031 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:50,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:50,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1738728008, now seen corresponding path program 1 times [2021-10-11 02:25:50,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:50,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356237360] [2021-10-11 02:25:50,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:50,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:50,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:50,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:50,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356237360] [2021-10-11 02:25:50,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:50,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:50,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208169467] [2021-10-11 02:25:50,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:50,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:50,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:50,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:50,292 INFO L87 Difference]: Start difference. First operand 112 states and 164 transitions. Second operand 5 states. [2021-10-11 02:25:50,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:50,449 INFO L93 Difference]: Finished difference Result 544 states and 809 transitions. [2021-10-11 02:25:50,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:25:50,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:25:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:50,453 INFO L225 Difference]: With dead ends: 544 [2021-10-11 02:25:50,454 INFO L226 Difference]: Without dead ends: 439 [2021-10-11 02:25:50,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-10-11 02:25:50,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 203. [2021-10-11 02:25:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 02:25:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 292 transitions. [2021-10-11 02:25:50,484 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 292 transitions. Word has length 27 [2021-10-11 02:25:50,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:50,485 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 292 transitions. [2021-10-11 02:25:50,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 292 transitions. [2021-10-11 02:25:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:25:50,486 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:50,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:50,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:50,696 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:50,696 INFO L82 PathProgramCache]: Analyzing trace with hash 304582848, now seen corresponding path program 1 times [2021-10-11 02:25:50,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:50,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199046627] [2021-10-11 02:25:50,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:50,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:50,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:50,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:50,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199046627] [2021-10-11 02:25:50,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:50,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:50,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768323511] [2021-10-11 02:25:50,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:50,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:50,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:50,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:50,984 INFO L87 Difference]: Start difference. First operand 203 states and 292 transitions. Second operand 5 states. [2021-10-11 02:25:51,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:51,206 INFO L93 Difference]: Finished difference Result 769 states and 1111 transitions. [2021-10-11 02:25:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:25:51,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:25:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:51,211 INFO L225 Difference]: With dead ends: 769 [2021-10-11 02:25:51,211 INFO L226 Difference]: Without dead ends: 573 [2021-10-11 02:25:51,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:51,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-10-11 02:25:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 201. [2021-10-11 02:25:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2021-10-11 02:25:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 286 transitions. [2021-10-11 02:25:51,242 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 286 transitions. Word has length 28 [2021-10-11 02:25:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:51,243 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 286 transitions. [2021-10-11 02:25:51,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 286 transitions. [2021-10-11 02:25:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:25:51,245 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:51,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:51,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,460 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1643402821, now seen corresponding path program 1 times [2021-10-11 02:25:51,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:51,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410925477] [2021-10-11 02:25:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:51,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:51,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:51,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:51,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410925477] [2021-10-11 02:25:51,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:51,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:51,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600380416] [2021-10-11 02:25:51,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:51,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:51,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:51,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:51,796 INFO L87 Difference]: Start difference. First operand 201 states and 286 transitions. Second operand 5 states. [2021-10-11 02:25:51,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:51,898 INFO L93 Difference]: Finished difference Result 555 states and 781 transitions. [2021-10-11 02:25:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:51,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-10-11 02:25:51,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:51,906 INFO L225 Difference]: With dead ends: 555 [2021-10-11 02:25:51,906 INFO L226 Difference]: Without dead ends: 361 [2021-10-11 02:25:51,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-10-11 02:25:51,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 213. [2021-10-11 02:25:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2021-10-11 02:25:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 298 transitions. [2021-10-11 02:25:51,954 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 298 transitions. Word has length 35 [2021-10-11 02:25:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:51,954 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 298 transitions. [2021-10-11 02:25:51,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 298 transitions. [2021-10-11 02:25:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:25:51,956 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:51,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:52,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:25:52,170 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:52,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:52,171 INFO L82 PathProgramCache]: Analyzing trace with hash 632285571, now seen corresponding path program 1 times [2021-10-11 02:25:52,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:52,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679276283] [2021-10-11 02:25:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:52,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:52,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679276283] [2021-10-11 02:25:52,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:52,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:52,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658169956] [2021-10-11 02:25:52,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:52,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:52,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:52,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:52,481 INFO L87 Difference]: Start difference. First operand 213 states and 298 transitions. Second operand 4 states. [2021-10-11 02:25:52,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:52,547 INFO L93 Difference]: Finished difference Result 515 states and 715 transitions. [2021-10-11 02:25:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:52,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2021-10-11 02:25:52,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:52,551 INFO L225 Difference]: With dead ends: 515 [2021-10-11 02:25:52,554 INFO L226 Difference]: Without dead ends: 309 [2021-10-11 02:25:52,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:52,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-11 02:25:52,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 221. [2021-10-11 02:25:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2021-10-11 02:25:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 306 transitions. [2021-10-11 02:25:52,589 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 306 transitions. Word has length 35 [2021-10-11 02:25:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:52,589 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 306 transitions. [2021-10-11 02:25:52,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 306 transitions. [2021-10-11 02:25:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:25:52,597 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:52,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:52,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:25:52,817 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:52,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:52,817 INFO L82 PathProgramCache]: Analyzing trace with hash -388782783, now seen corresponding path program 1 times [2021-10-11 02:25:52,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:52,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998860469] [2021-10-11 02:25:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:53,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:53,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:53,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:53,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998860469] [2021-10-11 02:25:53,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:53,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:53,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582081225] [2021-10-11 02:25:53,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:53,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:53,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:53,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:53,093 INFO L87 Difference]: Start difference. First operand 221 states and 306 transitions. Second operand 3 states. [2021-10-11 02:25:53,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:53,158 INFO L93 Difference]: Finished difference Result 535 states and 735 transitions. [2021-10-11 02:25:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:53,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-10-11 02:25:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:53,162 INFO L225 Difference]: With dead ends: 535 [2021-10-11 02:25:53,162 INFO L226 Difference]: Without dead ends: 321 [2021-10-11 02:25:53,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:53,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-10-11 02:25:53,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2021-10-11 02:25:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2021-10-11 02:25:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 428 transitions. [2021-10-11 02:25:53,215 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 428 transitions. Word has length 35 [2021-10-11 02:25:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:53,216 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 428 transitions. [2021-10-11 02:25:53,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 428 transitions. [2021-10-11 02:25:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:25:53,217 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:53,217 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, 1] [2021-10-11 02:25:53,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,435 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:53,436 INFO L82 PathProgramCache]: Analyzing trace with hash -713441279, now seen corresponding path program 1 times [2021-10-11 02:25:53,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:53,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70160474] [2021-10-11 02:25:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:53,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:25:53,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:53,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:53,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70160474] [2021-10-11 02:25:53,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:53,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:25:53,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226031864] [2021-10-11 02:25:53,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:53,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:53,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:53,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:53,756 INFO L87 Difference]: Start difference. First operand 321 states and 428 transitions. Second operand 6 states. [2021-10-11 02:25:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:55,736 INFO L93 Difference]: Finished difference Result 997 states and 1327 transitions. [2021-10-11 02:25:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:25:55,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2021-10-11 02:25:55,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:55,742 INFO L225 Difference]: With dead ends: 997 [2021-10-11 02:25:55,742 INFO L226 Difference]: Without dead ends: 683 [2021-10-11 02:25:55,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:25:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2021-10-11 02:25:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 321. [2021-10-11 02:25:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2021-10-11 02:25:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 420 transitions. [2021-10-11 02:25:55,792 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 420 transitions. Word has length 36 [2021-10-11 02:25:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:55,792 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 420 transitions. [2021-10-11 02:25:55,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:25:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 420 transitions. [2021-10-11 02:25:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:25:55,793 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:55,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:56,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:25:56,013 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:56,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:56,014 INFO L82 PathProgramCache]: Analyzing trace with hash -838060658, now seen corresponding path program 1 times [2021-10-11 02:25:56,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:56,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408757761] [2021-10-11 02:25:56,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:56,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:56,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:56,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:56,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408757761] [2021-10-11 02:25:56,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:56,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:56,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006960682] [2021-10-11 02:25:56,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:56,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:56,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:56,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:56,280 INFO L87 Difference]: Start difference. First operand 321 states and 420 transitions. Second operand 3 states. [2021-10-11 02:25:56,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:56,381 INFO L93 Difference]: Finished difference Result 471 states and 623 transitions. [2021-10-11 02:25:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:56,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-10-11 02:25:56,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:56,393 INFO L225 Difference]: With dead ends: 471 [2021-10-11 02:25:56,393 INFO L226 Difference]: Without dead ends: 469 [2021-10-11 02:25:56,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-10-11 02:25:56,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 361. [2021-10-11 02:25:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2021-10-11 02:25:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 481 transitions. [2021-10-11 02:25:56,446 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 481 transitions. Word has length 51 [2021-10-11 02:25:56,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:56,446 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 481 transitions. [2021-10-11 02:25:56,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 481 transitions. [2021-10-11 02:25:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-11 02:25:56,448 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:56,449 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 02:25:56,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:25:56,671 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:56,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:56,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1134302103, now seen corresponding path program 1 times [2021-10-11 02:25:56,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:56,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612317913] [2021-10-11 02:25:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:58,018 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:25:59,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:25:59,789 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:25:59,789 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:26:00,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:26:00,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:00 BoogieIcfgContainer [2021-10-11 02:26:00,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:00,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:00,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:00,184 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:00,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:47" (3/4) ... [2021-10-11 02:26:00,186 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:26:00,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8eef91-311e-49cd-9ac6-1e44279aa399/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:00,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:00,329 INFO L168 Benchmark]: Toolchain (without parser) took 16940.53 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 64.7 MB in the beginning and 106.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,329 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:00,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.40 ms. Allocated memory is still 100.7 MB. Free memory was 64.5 MB in the beginning and 67.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.22 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 64.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,331 INFO L168 Benchmark]: Boogie Preprocessor took 60.94 ms. Allocated memory is still 100.7 MB. Free memory was 64.4 MB in the beginning and 61.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,331 INFO L168 Benchmark]: RCFGBuilder took 2871.26 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 42.6 MB in the end (delta: 19.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,331 INFO L168 Benchmark]: TraceAbstraction took 13011.03 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 42.1 MB in the beginning and 60.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,332 INFO L168 Benchmark]: Witness Printer took 143.61 ms. Allocated memory is still 132.1 MB. Free memory was 60.1 MB in the beginning and 106.8 MB in the end (delta: -46.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:00,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 750.40 ms. Allocated memory is still 100.7 MB. Free memory was 64.5 MB in the beginning and 67.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.22 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 64.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.94 ms. Allocated memory is still 100.7 MB. Free memory was 64.4 MB in the beginning and 61.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2871.26 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 42.6 MB in the end (delta: 19.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13011.03 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 42.1 MB in the beginning and 60.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 143.61 ms. Allocated memory is still 132.1 MB. Free memory was 60.1 MB in the beginning and 106.8 MB in the end (delta: -46.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 948]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L509] int cleanupTimeShifts = 4; [L650] int methAndRunningLastTime ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] int retValue_acc ; [L591] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L639] int retValue_acc ; [L642] retValue_acc = 1 [L643] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L597] tmp = valid_product() [L599] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L655] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L708] tmp = __VERIFIER_nondet_int() [L710] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] COND TRUE ! pumpRunning [L910] int retValue_acc ; [L911] int tmp ; [L912] int tmp___0 ; [L129] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L916] tmp = isHighWaterSensorDry() [L918] COND FALSE !(\read(tmp)) [L921] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L923] retValue_acc = tmp___0 [L924] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L800] tmp = isHighWaterLevel() [L802] COND TRUE \read(tmp) [L829] int tmp ; [L854] int retValue_acc ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] retValue_acc = isMethaneLevelCritical() [L860] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] tmp = isMethaneAlarm() [L835] COND FALSE !(\read(tmp)) [L823] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L660] int tmp ; [L661] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L665] tmp = isMethaneLevelCritical() [L667] COND FALSE !(\read(tmp)) [L683] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L702] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L766] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L798] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L660] int tmp ; [L661] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L672] COND FALSE !(\read(methAndRunningLastTime)) [L677] methAndRunningLastTime = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L702] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L766] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L773] COND TRUE \read(systemActive) [L795] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L798] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L660] int tmp ; [L661] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L665] tmp = isMethaneLevelCritical() [L667] COND TRUE \read(tmp) [L865] int retValue_acc ; [L868] retValue_acc = pumpRunning [L869] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L669] tmp___0 = isPumpRunning() [L671] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L672] COND TRUE \read(methAndRunningLastTime) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L948] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 914 SDtfs, 1073 SDslu, 1469 SDs, 0 SdLazy, 180 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1320 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 20244 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2311 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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 incorrect! Received shutdown request...