./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 cf24413c974632111c219883460f59cc521163aa ............................................................................................................................................ 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 cf24413c974632111c219883460f59cc521163aa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:29:57,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:57,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:57,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:57,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:57,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:57,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:57,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:57,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:57,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:57,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:57,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:57,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:57,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:57,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:57,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:57,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:57,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:57,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:57,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:57,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:57,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:57,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:57,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:57,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:57,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:57,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:57,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:57,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:57,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:57,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:57,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:57,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:57,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:57,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:57,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:57,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:57,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:57,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:57,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:57,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:57,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:57,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:57,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:57,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:57,479 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:57,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:57,480 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:57,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:57,480 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:57,484 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:57,484 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:57,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:57,485 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:57,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:57,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:57,486 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:57,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:57,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:57,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:57,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:57,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:57,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:57,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:57,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:57,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:57,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:57,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:57,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:57,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:57,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:57,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:57,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:57,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:57,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:57,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:57,493 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:57,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:57,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:57,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:57,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:57,494 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf24413c974632111c219883460f59cc521163aa [2021-10-11 02:29:57,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:57,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:57,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:57,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:57,796 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:57,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2021-10-11 02:29:57,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/8e745af3c/d2fa9624ef40403195e0d6d37a0f13c2/FLAG295bbcffe [2021-10-11 02:29:58,389 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:58,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2021-10-11 02:29:58,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/8e745af3c/d2fa9624ef40403195e0d6d37a0f13c2/FLAG295bbcffe [2021-10-11 02:29:58,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/8e745af3c/d2fa9624ef40403195e0d6d37a0f13c2 [2021-10-11 02:29:58,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:58,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:58,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:58,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:58,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:58,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473424be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58, skipping insertion in model container [2021-10-11 02:29:58,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:58,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:59,088 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[15798,15811] [2021-10-11 02:29:59,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:59,136 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 02:29:59,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ea6d8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59, skipping insertion in model container [2021-10-11 02:29:59,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:59,143 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:59,146 INFO L168 Benchmark]: Toolchain (without parser) took 449.52 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 78.2 MB in the end (delta: -26.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:59,147 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 58.9 MB in the beginning and 58.9 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:59,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.26 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 78.2 MB in the end (delta: -26.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:59,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 58.9 MB in the beginning and 58.9 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.26 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 78.2 MB in the end (delta: -26.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 429]: 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 02:30:01,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:01,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:01,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:01,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:01,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:01,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:01,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:01,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:01,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:01,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:01,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:01,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:01,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:01,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:01,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:01,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:01,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:01,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:01,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:01,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:01,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:01,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:01,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:01,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:01,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:01,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:01,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:01,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:01,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:01,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:01,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:01,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:01,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:01,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:01,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:01,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:01,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:01,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:01,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:01,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:01,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:01,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:01,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:01,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:01,611 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:01,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:01,612 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:01,612 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:01,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:01,612 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:01,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:01,615 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:01,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:01,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:01,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:01,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:01,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:01,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:01,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:01,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:01,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:01,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:01,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:01,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:01,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:01,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:01,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:01,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:01,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:01,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:01,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:01,619 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:01,619 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:01,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:01,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:01,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:01,620 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf24413c974632111c219883460f59cc521163aa [2021-10-11 02:30:01,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:01,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:01,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:02,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:02,001 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:02,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2021-10-11 02:30:02,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/854122712/5e0d3a71803b4d03a4af5187ec9a934e/FLAG2ec986abe [2021-10-11 02:30:02,740 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:02,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2021-10-11 02:30:02,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/854122712/5e0d3a71803b4d03a4af5187ec9a934e/FLAG2ec986abe [2021-10-11 02:30:03,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/data/854122712/5e0d3a71803b4d03a4af5187ec9a934e [2021-10-11 02:30:03,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:03,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:03,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:03,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:03,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:03,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a490f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03, skipping insertion in model container [2021-10-11 02:30:03,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:03,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:03,518 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[15798,15811] [2021-10-11 02:30:03,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:03,568 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:03,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:03,621 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[15798,15811] [2021-10-11 02:30:03,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:03,652 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:03,710 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_412edb1b-b0f0-4556-93d1-5ad784b6f9be/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[15798,15811] [2021-10-11 02:30:03,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:03,791 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:03,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03 WrapperNode [2021-10-11 02:30:03,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:03,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:03,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:03,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:03,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:03,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:03,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:03,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:03,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:03,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:04,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... [2021-10-11 02:30:04,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:04,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:04,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:04,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:04,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:06,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:06,642 INFO L299 CfgBuilder]: Removed 204 assume(true) statements. [2021-10-11 02:30:06,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:06 BoogieIcfgContainer [2021-10-11 02:30:06,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:06,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:06,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:06,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:06,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:03" (1/3) ... [2021-10-11 02:30:06,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa73f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:06, skipping insertion in model container [2021-10-11 02:30:06,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:03" (2/3) ... [2021-10-11 02:30:06,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa73f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:06, skipping insertion in model container [2021-10-11 02:30:06,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:06" (3/3) ... [2021-10-11 02:30:06,654 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c [2021-10-11 02:30:06,667 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:06,671 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:06,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:06,703 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:06,703 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:06,703 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:06,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:06,704 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:06,704 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:06,704 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:06,704 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2021-10-11 02:30:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:06,727 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:06,728 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:06,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:06,733 INFO L82 PathProgramCache]: Analyzing trace with hash -101624794, now seen corresponding path program 1 times [2021-10-11 02:30:06,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:06,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403206163] [2021-10-11 02:30:06,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:07,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:07,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:07,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403206163] [2021-10-11 02:30:07,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:07,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:07,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254247839] [2021-10-11 02:30:07,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:07,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:07,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:07,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:07,092 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2021-10-11 02:30:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:07,128 INFO L93 Difference]: Finished difference Result 280 states and 419 transitions. [2021-10-11 02:30:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:07,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:07,141 INFO L225 Difference]: With dead ends: 280 [2021-10-11 02:30:07,141 INFO L226 Difference]: Without dead ends: 139 [2021-10-11 02:30:07,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:07,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-11 02:30:07,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-11 02:30:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:30:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-11 02:30:07,190 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 18 [2021-10-11 02:30:07,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:07,190 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-11 02:30:07,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-11 02:30:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:07,192 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:07,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:07,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,417 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:07,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:07,418 INFO L82 PathProgramCache]: Analyzing trace with hash 524834626, now seen corresponding path program 1 times [2021-10-11 02:30:07,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:07,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636801309] [2021-10-11 02:30:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:07,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:07,686 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 02:30:07,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:07,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636801309] [2021-10-11 02:30:07,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:07,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:07,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591119658] [2021-10-11 02:30:07,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:07,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:07,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:07,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:07,691 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 3 states. [2021-10-11 02:30:07,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:07,720 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2021-10-11 02:30:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:07,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:07,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:07,722 INFO L225 Difference]: With dead ends: 139 [2021-10-11 02:30:07,722 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 02:30:07,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:07,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 02:30:07,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 02:30:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 02:30:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-11 02:30:07,730 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-11 02:30:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:07,730 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-11 02:30:07,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:07,731 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-11 02:30:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:07,732 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:07,732 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 02:30:07,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,948 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:07,949 INFO L82 PathProgramCache]: Analyzing trace with hash 691260675, now seen corresponding path program 1 times [2021-10-11 02:30:07,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:07,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184721121] [2021-10-11 02:30:07,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:08,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:08,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:08,231 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 02:30:08,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:08,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184721121] [2021-10-11 02:30:08,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:08,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:08,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558628184] [2021-10-11 02:30:08,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:08,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:08,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:08,241 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2021-10-11 02:30:08,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:08,301 INFO L93 Difference]: Finished difference Result 159 states and 234 transitions. [2021-10-11 02:30:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:08,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:08,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:08,306 INFO L225 Difference]: With dead ends: 159 [2021-10-11 02:30:08,306 INFO L226 Difference]: Without dead ends: 108 [2021-10-11 02:30:08,310 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 02:30:08,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-11 02:30:08,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2021-10-11 02:30:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-10-11 02:30:08,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2021-10-11 02:30:08,324 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 24 [2021-10-11 02:30:08,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:08,324 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2021-10-11 02:30:08,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2021-10-11 02:30:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:08,326 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:08,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:08,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:08,549 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:08,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:08,550 INFO L82 PathProgramCache]: Analyzing trace with hash 2134675258, now seen corresponding path program 1 times [2021-10-11 02:30:08,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:08,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820218949] [2021-10-11 02:30:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:08,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:08,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:08,856 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 02:30:08,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:08,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820218949] [2021-10-11 02:30:08,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:08,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:08,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891902302] [2021-10-11 02:30:08,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:08,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:08,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:08,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:08,860 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand 3 states. [2021-10-11 02:30:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:08,917 INFO L93 Difference]: Finished difference Result 247 states and 368 transitions. [2021-10-11 02:30:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:08,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:30:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:08,919 INFO L225 Difference]: With dead ends: 247 [2021-10-11 02:30:08,920 INFO L226 Difference]: Without dead ends: 149 [2021-10-11 02:30:08,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-10-11 02:30:08,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2021-10-11 02:30:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-10-11 02:30:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 213 transitions. [2021-10-11 02:30:08,957 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 213 transitions. Word has length 26 [2021-10-11 02:30:08,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:08,959 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 213 transitions. [2021-10-11 02:30:08,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2021-10-11 02:30:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:30:08,961 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:08,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:09,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:09,177 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:09,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:09,178 INFO L82 PathProgramCache]: Analyzing trace with hash 127920088, now seen corresponding path program 1 times [2021-10-11 02:30:09,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:09,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852187366] [2021-10-11 02:30:09,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:09,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:09,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:09,434 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 02:30:09,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:09,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852187366] [2021-10-11 02:30:09,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:09,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:09,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273207467] [2021-10-11 02:30:09,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:09,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:09,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:09,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:09,436 INFO L87 Difference]: Start difference. First operand 147 states and 213 transitions. Second operand 5 states. [2021-10-11 02:30:09,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:09,615 INFO L93 Difference]: Finished difference Result 773 states and 1137 transitions. [2021-10-11 02:30:09,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:30:09,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:30:09,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:09,620 INFO L225 Difference]: With dead ends: 773 [2021-10-11 02:30:09,620 INFO L226 Difference]: Without dead ends: 632 [2021-10-11 02:30:09,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:30:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-10-11 02:30:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 244. [2021-10-11 02:30:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-10-11 02:30:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 344 transitions. [2021-10-11 02:30:09,655 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 344 transitions. Word has length 27 [2021-10-11 02:30:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:09,655 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 344 transitions. [2021-10-11 02:30:09,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2021-10-11 02:30:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:30:09,657 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:09,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:09,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:09,876 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1572343654, now seen corresponding path program 1 times [2021-10-11 02:30:09,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:09,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249259299] [2021-10-11 02:30:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/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 02:30:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:10,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:11,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:11,950 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:11,951 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:12,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:12 BoogieIcfgContainer [2021-10-11 02:30:12,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:12,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:12,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:12,305 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:12,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:06" (3/4) ... [2021-10-11 02:30:12,307 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:12,420 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_412edb1b-b0f0-4556-93d1-5ad784b6f9be/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:12,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:12,422 INFO L168 Benchmark]: Toolchain (without parser) took 9381.13 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 35.9 MB in the beginning and 57.0 MB in the end (delta: -21.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,422 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 39.0 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:12,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.06 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 49.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.95 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 45.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,424 INFO L168 Benchmark]: Boogie Preprocessor took 113.09 ms. Allocated memory is still 71.3 MB. Free memory was 45.4 MB in the beginning and 42.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,424 INFO L168 Benchmark]: RCFGBuilder took 2619.47 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 41.5 MB in the end (delta: 976.3 kB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,425 INFO L168 Benchmark]: TraceAbstraction took 5656.47 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 41.0 MB in the beginning and 69.6 MB in the end (delta: -28.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,425 INFO L168 Benchmark]: Witness Printer took 116.04 ms. Allocated memory is still 104.9 MB. Free memory was 69.6 MB in the beginning and 57.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory was 39.0 MB in the beginning and 39.0 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 748.06 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 49.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.95 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 45.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.09 ms. Allocated memory is still 71.3 MB. Free memory was 45.4 MB in the beginning and 42.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2619.47 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 41.5 MB in the end (delta: 976.3 kB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5656.47 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 41.0 MB in the beginning and 69.6 MB in the end (delta: -28.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Witness Printer took 116.04 ms. Allocated memory is still 104.9 MB. Free memory was 69.6 MB in the beginning and 57.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 771]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L126] int pumpRunning = 0; [L127] int systemActive = 1; [L570] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; [L917] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L990] int retValue_acc ; [L991] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L805] int retValue_acc ; [L808] retValue_acc = 1 [L809] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L997] tmp = valid_product() [L999] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L49] int splverifierCounter ; [L50] int tmp ; [L51] int tmp___0 ; [L52] int tmp___1 ; [L53] int tmp___2 ; [L56] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L58] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L60] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] tmp = __VERIFIER_nondet_int() [L68] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel < 2 [L833] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L76] tmp___0 = __VERIFIER_nondet_int() [L78] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] tmp___2 = __VERIFIER_nondet_int() [L88] COND FALSE !(\read(tmp___2)) [L94] tmp___1 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L345] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L134] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L141] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L368] int tmp ; [L369] int tmp___0 ; [L370] int tmp___1 ; [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L374] tmp = isMethaneLevelCritical() [L376] COND FALSE !(\read(tmp)) [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L380] tmp___0 = getWaterLevel() [L382] COND TRUE tmp___0 == 2 [L259] int retValue_acc ; [L262] retValue_acc = pumpRunning [L263] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L384] tmp___1 = isPumpRunning() [L386] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L771] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 143 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 583 SDtfs, 524 SDslu, 449 SDs, 0 SdLazy, 65 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 394 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5837 SizeOfPredicates, 4 NumberOfNonLiveVariables, 997 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...