./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.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_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/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_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/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_271751d8-349b-46ae-a06e-b803af7c7330/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 b1532eb84511f08efccba1f71db5d8156ba5c802 ............................................................................................................................................ 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_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/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_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/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_271751d8-349b-46ae-a06e-b803af7c7330/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 b1532eb84511f08efccba1f71db5d8156ba5c802 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:29:59,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:59,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:59,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:59,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:59,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:59,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:59,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:59,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:59,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:59,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:59,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:59,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:59,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:59,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:59,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:59,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:59,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:59,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:59,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:59,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:59,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:59,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:59,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:59,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:59,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:59,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:59,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:59,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:59,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:59,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:59,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:59,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:59,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:59,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:59,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:59,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:59,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:59,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:59,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:59,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:59,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:59,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:59,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:59,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:59,604 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:59,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:59,605 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:59,605 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:59,605 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:59,606 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:59,606 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:59,606 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:59,606 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:59,607 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:59,607 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:59,607 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:59,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:59,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:59,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:59,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:59,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:59,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:59,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:59,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:59,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:59,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:59,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:59,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:59,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:59,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:59,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:59,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:59,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:59,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:59,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:59,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:59,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:59,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:59,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:59,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:59,615 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_271751d8-349b-46ae-a06e-b803af7c7330/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1532eb84511f08efccba1f71db5d8156ba5c802 [2021-10-11 02:29:59,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:59,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:59,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:59,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:59,931 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:59,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-10-11 02:30:00,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/89122e80f/ab32454adb904e44a1d772f6e94bc7df/FLAG9e9b4bedc [2021-10-11 02:30:00,517 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:00,518 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-10-11 02:30:00,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/89122e80f/ab32454adb904e44a1d772f6e94bc7df/FLAG9e9b4bedc [2021-10-11 02:30:00,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/89122e80f/ab32454adb904e44a1d772f6e94bc7df [2021-10-11 02:30:00,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:00,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:00,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:00,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:00,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:00,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:00" (1/1) ... [2021-10-11 02:30:00,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1ee4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:00, skipping insertion in model container [2021-10-11 02:30:00,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:00" (1/1) ... [2021-10-11 02:30:00,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:00,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:01,270 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_271751d8-349b-46ae-a06e-b803af7c7330/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[19893,19906] [2021-10-11 02:30:01,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:01,305 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:01,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f7adff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:01, skipping insertion in model container [2021-10-11 02:30:01,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:01,307 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:01,310 INFO L168 Benchmark]: Toolchain (without parser) took 449.57 ms. Allocated memory is still 130.0 MB. Free memory was 93.1 MB in the beginning and 102.9 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,311 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 130.0 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:01,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.59 ms. Allocated memory is still 130.0 MB. Free memory was 93.0 MB in the beginning and 102.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:01,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 130.0 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.59 ms. Allocated memory is still 130.0 MB. Free memory was 93.0 MB in the beginning and 102.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 502]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:03,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:03,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:03,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:03,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:03,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:03,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:03,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:03,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:03,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:03,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:03,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:03,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:03,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:03,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:03,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:03,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:03,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:03,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:03,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:03,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:03,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:03,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:03,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:03,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:03,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:03,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:03,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:03,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:03,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:03,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:03,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:03,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:03,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:03,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:03,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:03,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:03,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:03,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:03,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:03,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:03,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:03,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:03,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:03,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:03,656 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:03,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:03,656 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:03,656 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:03,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:03,657 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:03,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:03,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:03,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:03,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:03,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:03,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:03,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:03,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:03,659 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:03,659 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:03,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:03,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:03,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:03,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:03,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:03,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:03,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:03,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:03,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:03,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:03,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:03,661 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:03,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:03,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:03,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:03,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:03,662 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_271751d8-349b-46ae-a06e-b803af7c7330/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1532eb84511f08efccba1f71db5d8156ba5c802 [2021-10-11 02:30:04,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:04,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:04,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:04,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:04,119 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:04,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-10-11 02:30:04,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/fa6c9fc0c/a39729b01ebb492aabb4eefc6d582cf0/FLAG1834bf251 [2021-10-11 02:30:04,876 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:04,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-10-11 02:30:04,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/fa6c9fc0c/a39729b01ebb492aabb4eefc6d582cf0/FLAG1834bf251 [2021-10-11 02:30:05,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/data/fa6c9fc0c/a39729b01ebb492aabb4eefc6d582cf0 [2021-10-11 02:30:05,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:05,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:05,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:05,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:05,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:05,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:05,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526608e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05, skipping insertion in model container [2021-10-11 02:30:05,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:05,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:05,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:05,543 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_271751d8-349b-46ae-a06e-b803af7c7330/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[19893,19906] [2021-10-11 02:30:05,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:05,585 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:05,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:05,731 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_271751d8-349b-46ae-a06e-b803af7c7330/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[19893,19906] [2021-10-11 02:30:05,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:05,746 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:05,809 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_271751d8-349b-46ae-a06e-b803af7c7330/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[19893,19906] [2021-10-11 02:30:05,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:05,879 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:05,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05 WrapperNode [2021-10-11 02:30:05,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:05,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:05,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:05,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:05,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:05,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:06,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:06,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:06,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:06,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... [2021-10-11 02:30:06,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:06,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:06,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:06,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:06,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:09,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:09,705 INFO L299 CfgBuilder]: Removed 900 assume(true) statements. [2021-10-11 02:30:09,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:09 BoogieIcfgContainer [2021-10-11 02:30:09,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:09,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:09,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:09,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:09,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:05" (1/3) ... [2021-10-11 02:30:09,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aea61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:09, skipping insertion in model container [2021-10-11 02:30:09,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:05" (2/3) ... [2021-10-11 02:30:09,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aea61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:09, skipping insertion in model container [2021-10-11 02:30:09,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:09" (3/3) ... [2021-10-11 02:30:09,720 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2021-10-11 02:30:09,739 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:09,743 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:09,755 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:09,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:09,802 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:09,802 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:09,802 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:09,803 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:09,803 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:09,803 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:09,803 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2021-10-11 02:30:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:30:09,841 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:09,842 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] [2021-10-11 02:30:09,842 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:09,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:09,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2021-10-11 02:30:09,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:09,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296600758] [2021-10-11 02:30:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:10,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:10,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:10,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:10,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296600758] [2021-10-11 02:30:10,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:10,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:10,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924171645] [2021-10-11 02:30:10,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:10,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:10,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:10,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:10,231 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2021-10-11 02:30:10,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:10,318 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2021-10-11 02:30:10,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:10,320 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2021-10-11 02:30:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:10,350 INFO L225 Difference]: With dead ends: 927 [2021-10-11 02:30:10,351 INFO L226 Difference]: Without dead ends: 466 [2021-10-11 02:30:10,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:10,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-11 02:30:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2021-10-11 02:30:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2021-10-11 02:30:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2021-10-11 02:30:10,460 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2021-10-11 02:30:10,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:10,461 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2021-10-11 02:30:10,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2021-10-11 02:30:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:10,463 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:10,463 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 02:30:10,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,683 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:10,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:10,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2021-10-11 02:30:10,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:10,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503729028] [2021-10-11 02:30:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:10,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:10,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:10,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:10,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503729028] [2021-10-11 02:30:10,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:10,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:10,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79077483] [2021-10-11 02:30:10,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:10,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:10,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:10,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:10,971 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2021-10-11 02:30:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:10,994 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2021-10-11 02:30:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:10,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:10,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:10,997 INFO L225 Difference]: With dead ends: 466 [2021-10-11 02:30:10,997 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:30:10,998 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 02:30:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:30:11,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-11 02:30:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-10-11 02:30:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2021-10-11 02:30:11,010 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2021-10-11 02:30:11,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:11,010 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2021-10-11 02:30:11,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2021-10-11 02:30:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:30:11,012 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:11,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:11,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:11,227 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:11,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:11,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2021-10-11 02:30:11,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:11,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691628201] [2021-10-11 02:30:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:11,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:11,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:11,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:11,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691628201] [2021-10-11 02:30:11,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:11,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:11,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529298751] [2021-10-11 02:30:11,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:11,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:11,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:11,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:11,521 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 3 states. [2021-10-11 02:30:11,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:11,575 INFO L93 Difference]: Finished difference Result 490 states and 763 transitions. [2021-10-11 02:30:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:11,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-10-11 02:30:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:11,579 INFO L225 Difference]: With dead ends: 490 [2021-10-11 02:30:11,579 INFO L226 Difference]: Without dead ends: 331 [2021-10-11 02:30:11,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-10-11 02:30:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2021-10-11 02:30:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-10-11 02:30:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 508 transitions. [2021-10-11 02:30:11,622 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 508 transitions. Word has length 30 [2021-10-11 02:30:11,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:11,623 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 508 transitions. [2021-10-11 02:30:11,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 508 transitions. [2021-10-11 02:30:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:11,631 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:11,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:11,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:11,847 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:11,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2021-10-11 02:30:11,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:11,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764877580] [2021-10-11 02:30:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:12,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:12,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:12,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:12,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764877580] [2021-10-11 02:30:12,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:12,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:12,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461746106] [2021-10-11 02:30:12,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:12,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:12,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:12,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:12,116 INFO L87 Difference]: Start difference. First operand 327 states and 508 transitions. Second operand 3 states. [2021-10-11 02:30:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:12,260 INFO L93 Difference]: Finished difference Result 662 states and 1041 transitions. [2021-10-11 02:30:12,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:12,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:30:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:12,264 INFO L225 Difference]: With dead ends: 662 [2021-10-11 02:30:12,264 INFO L226 Difference]: Without dead ends: 348 [2021-10-11 02:30:12,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-10-11 02:30:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2021-10-11 02:30:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2021-10-11 02:30:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 526 transitions. [2021-10-11 02:30:12,297 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 526 transitions. Word has length 33 [2021-10-11 02:30:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:12,297 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 526 transitions. [2021-10-11 02:30:12,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 526 transitions. [2021-10-11 02:30:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:12,298 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:12,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:12,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,515 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:12,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:12,515 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2021-10-11 02:30:12,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:12,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579234441] [2021-10-11 02:30:12,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:12,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:12,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:12,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:12,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579234441] [2021-10-11 02:30:12,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:12,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:12,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834281201] [2021-10-11 02:30:12,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:12,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:12,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:12,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:12,786 INFO L87 Difference]: Start difference. First operand 346 states and 526 transitions. Second operand 5 states. [2021-10-11 02:30:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:13,140 INFO L93 Difference]: Finished difference Result 1934 states and 2999 transitions. [2021-10-11 02:30:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:13,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:30:13,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:13,151 INFO L225 Difference]: With dead ends: 1934 [2021-10-11 02:30:13,151 INFO L226 Difference]: Without dead ends: 1601 [2021-10-11 02:30:13,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:13,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2021-10-11 02:30:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 669. [2021-10-11 02:30:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2021-10-11 02:30:13,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1018 transitions. [2021-10-11 02:30:13,218 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1018 transitions. Word has length 33 [2021-10-11 02:30:13,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:13,218 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 1018 transitions. [2021-10-11 02:30:13,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1018 transitions. [2021-10-11 02:30:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:13,220 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:13,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:13,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:13,431 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:13,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1927811083, now seen corresponding path program 1 times [2021-10-11 02:30:13,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:13,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735365413] [2021-10-11 02:30:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:13,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:13,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:13,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:13,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735365413] [2021-10-11 02:30:13,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:13,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:13,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278068452] [2021-10-11 02:30:13,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:13,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:13,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:13,705 INFO L87 Difference]: Start difference. First operand 669 states and 1018 transitions. Second operand 5 states. [2021-10-11 02:30:14,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:14,175 INFO L93 Difference]: Finished difference Result 2147 states and 3281 transitions. [2021-10-11 02:30:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:14,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:30:14,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:14,189 INFO L225 Difference]: With dead ends: 2147 [2021-10-11 02:30:14,189 INFO L226 Difference]: Without dead ends: 2145 [2021-10-11 02:30:14,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:14,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2021-10-11 02:30:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 669. [2021-10-11 02:30:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2021-10-11 02:30:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1016 transitions. [2021-10-11 02:30:14,260 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1016 transitions. Word has length 34 [2021-10-11 02:30:14,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:14,261 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 1016 transitions. [2021-10-11 02:30:14,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1016 transitions. [2021-10-11 02:30:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 02:30:14,262 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:14,262 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:14,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:14,483 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:14,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:14,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1912385192, now seen corresponding path program 1 times [2021-10-11 02:30:14,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:14,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096381725] [2021-10-11 02:30:14,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:14,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:14,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:14,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:14,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096381725] [2021-10-11 02:30:14,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:14,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:14,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622440505] [2021-10-11 02:30:14,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:14,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:14,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:14,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:14,766 INFO L87 Difference]: Start difference. First operand 669 states and 1016 transitions. Second operand 5 states. [2021-10-11 02:30:15,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:15,081 INFO L93 Difference]: Finished difference Result 1677 states and 2527 transitions. [2021-10-11 02:30:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:15,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2021-10-11 02:30:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:15,089 INFO L225 Difference]: With dead ends: 1677 [2021-10-11 02:30:15,089 INFO L226 Difference]: Without dead ends: 1021 [2021-10-11 02:30:15,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:15,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2021-10-11 02:30:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 765. [2021-10-11 02:30:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2021-10-11 02:30:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1112 transitions. [2021-10-11 02:30:15,158 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1112 transitions. Word has length 42 [2021-10-11 02:30:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:15,159 INFO L481 AbstractCegarLoop]: Abstraction has 765 states and 1112 transitions. [2021-10-11 02:30:15,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1112 transitions. [2021-10-11 02:30:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 02:30:15,170 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:15,170 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:15,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,387 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:15,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:15,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1681517526, now seen corresponding path program 1 times [2021-10-11 02:30:15,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:15,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981169610] [2021-10-11 02:30:15,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:15,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:15,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:15,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:15,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981169610] [2021-10-11 02:30:15,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:15,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:15,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506962508] [2021-10-11 02:30:15,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:15,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:15,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:15,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:15,687 INFO L87 Difference]: Start difference. First operand 765 states and 1112 transitions. Second operand 4 states. [2021-10-11 02:30:15,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:15,931 INFO L93 Difference]: Finished difference Result 1813 states and 2601 transitions. [2021-10-11 02:30:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:15,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2021-10-11 02:30:15,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:15,944 INFO L225 Difference]: With dead ends: 1813 [2021-10-11 02:30:15,946 INFO L226 Difference]: Without dead ends: 1061 [2021-10-11 02:30:15,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:15,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2021-10-11 02:30:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 829. [2021-10-11 02:30:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2021-10-11 02:30:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1176 transitions. [2021-10-11 02:30:16,015 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1176 transitions. Word has length 42 [2021-10-11 02:30:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:16,016 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1176 transitions. [2021-10-11 02:30:16,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1176 transitions. [2021-10-11 02:30:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 02:30:16,017 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:16,018 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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:16,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:16,234 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:16,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:16,235 INFO L82 PathProgramCache]: Analyzing trace with hash 2026643756, now seen corresponding path program 1 times [2021-10-11 02:30:16,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:16,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670224045] [2021-10-11 02:30:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:16,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:16,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:16,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:16,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670224045] [2021-10-11 02:30:16,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:16,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:16,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969326710] [2021-10-11 02:30:16,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:16,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:16,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:16,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:16,495 INFO L87 Difference]: Start difference. First operand 829 states and 1176 transitions. Second operand 3 states. [2021-10-11 02:30:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:16,661 INFO L93 Difference]: Finished difference Result 1877 states and 2649 transitions. [2021-10-11 02:30:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:16,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-10-11 02:30:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:16,669 INFO L225 Difference]: With dead ends: 1877 [2021-10-11 02:30:16,669 INFO L226 Difference]: Without dead ends: 1061 [2021-10-11 02:30:16,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:16,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2021-10-11 02:30:16,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2021-10-11 02:30:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2021-10-11 02:30:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1466 transitions. [2021-10-11 02:30:16,771 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1466 transitions. Word has length 42 [2021-10-11 02:30:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:16,771 INFO L481 AbstractCegarLoop]: Abstraction has 1061 states and 1466 transitions. [2021-10-11 02:30:16,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1466 transitions. [2021-10-11 02:30:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-11 02:30:16,774 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:16,774 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:16,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:16,993 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:16,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:16,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1499020087, now seen corresponding path program 1 times [2021-10-11 02:30:16,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:16,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330682844] [2021-10-11 02:30:16,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:18,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:19,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:19,747 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:19,747 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:19,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:20,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:20 BoogieIcfgContainer [2021-10-11 02:30:20,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:20,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:20,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:20,164 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:20,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:09" (3/4) ... [2021-10-11 02:30:20,166 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:20,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271751d8-349b-46ae-a06e-b803af7c7330/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:20,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:20,328 INFO L168 Benchmark]: Toolchain (without parser) took 15198.79 ms. Allocated memory was 62.9 MB in the beginning and 163.6 MB in the end (delta: 100.7 MB). Free memory was 41.0 MB in the beginning and 43.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,329 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:20,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.51 ms. Allocated memory is still 62.9 MB. Free memory was 40.8 MB in the beginning and 42.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.48 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 31.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,330 INFO L168 Benchmark]: Boogie Preprocessor took 186.38 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 53.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,330 INFO L168 Benchmark]: RCFGBuilder took 3471.14 ms. Allocated memory is still 77.6 MB. Free memory was 53.9 MB in the beginning and 27.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,331 INFO L168 Benchmark]: TraceAbstraction took 10449.86 ms. Allocated memory was 77.6 MB in the beginning and 163.6 MB in the end (delta: 86.0 MB). Free memory was 27.4 MB in the beginning and 65.0 MB in the end (delta: -37.6 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,331 INFO L168 Benchmark]: Witness Printer took 163.28 ms. Allocated memory is still 163.6 MB. Free memory was 65.0 MB in the beginning and 43.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:20,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 750.51 ms. Allocated memory is still 62.9 MB. Free memory was 40.8 MB in the beginning and 42.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.48 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 31.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 186.38 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 53.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3471.14 ms. Allocated memory is still 77.6 MB. Free memory was 53.9 MB in the beginning and 27.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10449.86 ms. Allocated memory was 77.6 MB in the beginning and 163.6 MB in the end (delta: 86.0 MB). Free memory was 27.4 MB in the beginning and 65.0 MB in the end (delta: -37.6 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. * Witness Printer took 163.28 ms. Allocated memory is still 163.6 MB. Free memory was 65.0 MB in the beginning and 43.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1023]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int __SELECTED_FEATURE_base ; [L43] int __SELECTED_FEATURE_highWaterSensor ; [L44] int __SELECTED_FEATURE_lowWaterSensor ; [L45] int __SELECTED_FEATURE_methaneQuery ; [L46] int __SELECTED_FEATURE_methaneAlarm ; [L47] int __SELECTED_FEATURE_stopCommand ; [L48] int __SELECTED_FEATURE_startCommand ; [L49] int __GUIDSL_ROOT_PRODUCTION ; [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L643] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L916] int waterLevel = 1; [L917] int methaneLevelCritical = 0; [L1028] int cleanupTimeShifts = 4; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1101] int retValue_acc ; [L1102] int tmp ; [L874] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] __SELECTED_FEATURE_base = 1 [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] __SELECTED_FEATURE_highWaterSensor = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] __SELECTED_FEATURE_lowWaterSensor = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] __SELECTED_FEATURE_methaneQuery = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] __SELECTED_FEATURE_methaneAlarm = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] __SELECTED_FEATURE_stopCommand = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L865] __SELECTED_FEATURE_startCommand = select_one() [L879] int retValue_acc ; [L882] retValue_acc = __SELECTED_FEATURE_base [L883] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1108] tmp = valid_product() [L1110] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] COND TRUE waterLevel < 2 [L935] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L946] COND FALSE !(\read(methaneLevelCritical)) [L949] methaneLevelCritical = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L106] tmp___1 = __VERIFIER_nondet_int() [L108] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L150] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L293] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L250] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L207] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L179] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L182] COND TRUE ! pumpRunning [L413] int retValue_acc ; [L414] int tmp ; [L415] int tmp___0 ; [L996] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L999] COND FALSE !(waterLevel < 2) [L1003] retValue_acc = 0 [L1004] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L419] tmp = isHighWaterSensorDry() [L421] COND FALSE !(\read(tmp)) [L424] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] retValue_acc = tmp___0 [L427] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L184] tmp = isHighWaterLevel() [L186] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L335] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L310] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L890] int tmp ; [L891] int tmp___0 ; [L955] int retValue_acc ; [L958] retValue_acc = methaneLevelCritical [L959] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L895] tmp = isMethaneLevelCritical() [L897] COND TRUE \read(tmp) [L368] int retValue_acc ; [L371] retValue_acc = pumpRunning [L372] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L899] tmp___0 = isPumpRunning() [L901] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L1023] reach_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3078 SDtfs, 3156 SDslu, 3657 SDs, 0 SdLazy, 507 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1061occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2902 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 23482 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2076 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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...