./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 ............................................................................................................................................ 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_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-e943c26 [2021-10-24 10:21:08,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:21:08,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:21:08,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:21:08,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:21:08,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:21:08,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:21:08,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:21:08,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:21:08,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:21:08,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:21:08,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:21:08,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:21:08,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:21:08,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:21:08,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:21:08,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:21:08,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:21:08,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:21:08,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:21:08,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:21:08,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:21:08,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:21:08,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:21:08,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:21:08,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:21:08,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:21:08,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:21:08,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:21:08,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:21:08,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:21:08,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:21:08,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:21:08,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:21:08,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:21:08,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:21:08,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:21:08,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:21:08,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:21:08,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:21:08,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:21:08,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:21:08,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:21:08,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:21:08,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:21:08,560 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:21:08,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:21:08,561 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:21:08,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:21:08,561 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:21:08,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:21:08,562 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:21:08,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:21:08,562 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:21:08,562 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:21:08,562 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:21:08,563 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:21:08,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:21:08,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:21:08,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:21:08,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:21:08,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:21:08,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:21:08,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:21:08,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:21:08,565 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:21:08,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:21:08,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:21:08,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:21:08,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:21:08,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:21:08,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:21:08,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:21:08,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:21:08,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:21:08,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:21:08,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:21:08,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:21:08,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:21:08,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:21:08,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:21:08,569 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_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2021-10-24 10:21:08,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:21:08,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:21:08,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:21:08,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:21:08,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:21:08,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-24 10:21:08,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/63a3d4f62/173963bd535d457c8b70fe1d8648c2f5/FLAG43a6dddd0 [2021-10-24 10:21:09,442 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:21:09,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-24 10:21:09,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/63a3d4f62/173963bd535d457c8b70fe1d8648c2f5/FLAG43a6dddd0 [2021-10-24 10:21:09,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/63a3d4f62/173963bd535d457c8b70fe1d8648c2f5 [2021-10-24 10:21:09,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:21:09,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:21:09,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:09,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:21:09,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:21:09,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:09" (1/1) ... [2021-10-24 10:21:09,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0ab5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:09, skipping insertion in model container [2021-10-24 10:21:09,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:09" (1/1) ... [2021-10-24 10:21:09,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:21:09,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:21:10,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-24 10:21:10,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:10,266 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) [2021-10-24 10:21:10,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@791f3502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:10, skipping insertion in model container [2021-10-24 10:21:10,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:10,268 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:21:10,271 INFO L168 Benchmark]: Toolchain (without parser) took 481.65 ms. Allocated memory is still 100.7 MB. Free memory was 58.2 MB in the beginning and 72.7 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:10,272 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:21:10,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.08 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 72.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:10,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 479.08 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 72.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 521]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:21:12,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:21:12,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:21:12,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:21:12,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:21:12,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:21:12,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:21:12,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:21:12,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:21:12,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:21:12,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:21:12,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:21:12,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:21:12,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:21:12,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:21:12,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:21:12,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:21:12,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:21:12,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:21:12,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:21:12,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:21:12,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:21:12,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:21:12,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:21:12,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:21:12,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:21:12,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:21:12,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:21:12,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:21:12,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:21:12,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:21:12,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:21:12,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:21:12,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:21:12,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:21:12,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:21:12,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:21:12,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:21:12,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:21:12,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:21:12,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:21:12,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:21:12,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:21:12,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:21:12,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:21:12,805 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:21:12,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:21:12,806 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:21:12,806 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:21:12,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:21:12,807 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:21:12,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:21:12,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:21:12,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:21:12,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:21:12,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:21:12,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:21:12,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:21:12,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:21:12,811 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:21:12,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:21:12,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:21:12,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:21:12,813 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:21:12,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:21:12,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:21:12,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:21:12,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:21:12,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:21:12,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:21:12,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:21:12,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:21:12,815 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:21:12,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:21:12,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:21:12,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:21:12,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:21:12,817 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_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2021-10-24 10:21:13,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:21:13,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:21:13,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:21:13,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:21:13,251 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:21:13,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-24 10:21:13,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/cd3f82347/0bf5e5d0210d41169850a58fe074325f/FLAGec699eb81 [2021-10-24 10:21:13,945 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:21:13,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-24 10:21:13,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/cd3f82347/0bf5e5d0210d41169850a58fe074325f/FLAGec699eb81 [2021-10-24 10:21:14,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/data/cd3f82347/0bf5e5d0210d41169850a58fe074325f [2021-10-24 10:21:14,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:21:14,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:21:14,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:14,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:21:14,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:21:14,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bb9662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14, skipping insertion in model container [2021-10-24 10:21:14,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:21:14,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:21:14,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-24 10:21:14,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:14,673 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:21:14,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:21:14,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-24 10:21:14,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:14,753 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:21:14,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-24 10:21:14,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:21:14,838 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:21:14,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14 WrapperNode [2021-10-24 10:21:14,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:21:14,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:21:14,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:21:14,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:21:14,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:21:14,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:21:14,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:21:14,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:21:14,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:21:14,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:21:14,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:21:14,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:21:14,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (1/1) ... [2021-10-24 10:21:14,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:21:14,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:21:15,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:21:15,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:21:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:21:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:21:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:21:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:21:17,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:21:17,273 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-24 10:21:17,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:21:17 BoogieIcfgContainer [2021-10-24 10:21:17,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:21:17,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:21:17,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:21:17,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:21:17,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:21:14" (1/3) ... [2021-10-24 10:21:17,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c5c53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:21:17, skipping insertion in model container [2021-10-24 10:21:17,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:21:14" (2/3) ... [2021-10-24 10:21:17,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c5c53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:21:17, skipping insertion in model container [2021-10-24 10:21:17,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:21:17" (3/3) ... [2021-10-24 10:21:17,283 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2021-10-24 10:21:17,288 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:21:17,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:21:17,342 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:21:17,348 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:21:17,348 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:21:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:21:17,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:17,369 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:17,370 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:17,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2021-10-24 10:21:17,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:17,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804058205] [2021-10-24 10:21:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:17,390 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:17,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:17,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:17,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:21:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:17,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:21:17,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:17,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:17,743 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:17,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804058205] [2021-10-24 10:21:17,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804058205] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:17,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:17,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:21:17,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705124836] [2021-10-24 10:21:17,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:21:17,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:21:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:21:17,766 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:17,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:17,787 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2021-10-24 10:21:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:21:17,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:21:17,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:17,797 INFO L225 Difference]: With dead ends: 120 [2021-10-24 10:21:17,797 INFO L226 Difference]: Without dead ends: 59 [2021-10-24 10:21:17,800 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:21:17,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-24 10:21:17,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-24 10:21:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 58 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-10-24 10:21:17,835 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2021-10-24 10:21:17,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:17,836 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-24 10:21:17,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2021-10-24 10:21:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:21:17,837 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:17,838 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:17,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:18,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:18,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:18,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2021-10-24 10:21:18,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:18,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416399116] [2021-10-24 10:21:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:18,069 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:18,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:18,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:18,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:21:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:18,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:21:18,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:18,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:18,423 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:18,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416399116] [2021-10-24 10:21:18,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416399116] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:18,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:18,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:21:18,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170950121] [2021-10-24 10:21:18,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:21:18,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:18,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:21:18,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:21:18,427 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:18,450 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2021-10-24 10:21:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:21:18,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:21:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:18,452 INFO L225 Difference]: With dead ends: 59 [2021-10-24 10:21:18,452 INFO L226 Difference]: Without dead ends: 29 [2021-10-24 10:21:18,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:21:18,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-24 10:21:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-24 10:21:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-24 10:21:18,470 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-24 10:21:18,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:18,471 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-24 10:21:18,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-24 10:21:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:21:18,473 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:18,473 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:18,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:18,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:18,685 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:18,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:18,686 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2021-10-24 10:21:18,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:18,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448664905] [2021-10-24 10:21:18,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:18,687 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:18,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:18,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:18,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:21:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:21:18,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:21:18,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:21:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:19,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:21:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:21:19,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:21:19,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448664905] [2021-10-24 10:21:19,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448664905] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:21:19,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:21:19,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:21:19,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665571814] [2021-10-24 10:21:19,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:21:19,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:21:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:21:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:21:19,212 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:19,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:21:19,531 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2021-10-24 10:21:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:21:19,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:21:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:21:19,535 INFO L225 Difference]: With dead ends: 244 [2021-10-24 10:21:19,535 INFO L226 Difference]: Without dead ends: 221 [2021-10-24 10:21:19,537 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 151.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:21:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-24 10:21:19,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2021-10-24 10:21:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 65 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2021-10-24 10:21:19,570 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2021-10-24 10:21:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:21:19,571 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2021-10-24 10:21:19,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:21:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2021-10-24 10:21:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:21:19,573 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:21:19,578 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:21:19,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:19,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:19,788 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:21:19,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:21:19,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2021-10-24 10:21:19,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:21:19,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507912745] [2021-10-24 10:21:19,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:21:19,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:21:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:21:19,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:21:19,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:21:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:21:20,919 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:21:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:21:22,026 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:21:22,027 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:21:22,028 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:21:22,030 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:21:22,030 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:21:22,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:21:22,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:21:22,254 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:21:22,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:21:22 BoogieIcfgContainer [2021-10-24 10:21:22,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:21:22,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:21:22,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:21:22,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:21:22,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:21:17" (3/4) ... [2021-10-24 10:21:22,402 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:21:22,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:21:22,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:21:22,499 INFO L168 Benchmark]: Toolchain (without parser) took 8287.32 ms. Allocated memory was 52.4 MB in the beginning and 86.0 MB in the end (delta: 33.6 MB). Free memory was 28.4 MB in the beginning and 42.4 MB in the end (delta: -14.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,500 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 33.2 MB in the beginning and 33.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:21:22,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.29 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.1 MB in the beginning and 40.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.33 ms. Allocated memory is still 71.3 MB. Free memory was 40.8 MB in the beginning and 38.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,501 INFO L168 Benchmark]: Boogie Preprocessor took 61.15 ms. Allocated memory is still 71.3 MB. Free memory was 38.0 MB in the beginning and 54.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,502 INFO L168 Benchmark]: RCFGBuilder took 2295.98 ms. Allocated memory is still 71.3 MB. Free memory was 53.6 MB in the beginning and 30.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,503 INFO L168 Benchmark]: TraceAbstraction took 5121.63 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 53.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,503 INFO L168 Benchmark]: Witness Printer took 98.41 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 42.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:21:22,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 33.2 MB in the beginning and 33.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.29 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.1 MB in the beginning and 40.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.33 ms. Allocated memory is still 71.3 MB. Free memory was 40.8 MB in the beginning and 38.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.15 ms. Allocated memory is still 71.3 MB. Free memory was 38.0 MB in the beginning and 54.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2295.98 ms. Allocated memory is still 71.3 MB. Free memory was 53.6 MB in the beginning and 30.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5121.63 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 53.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Witness Printer took 98.41 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 42.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 312]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L187] tmp = __VERIFIER_nondet_int() [L189] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] tmp___0 = getWaterLevel() [L289] COND TRUE tmp___0 == 2 [L121] int retValue_acc ; [L124] retValue_acc = pumpRunning [L125] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L291] tmp___1 = isPumpRunning() [L293] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 312]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 312]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4911.7ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 13.5ms, AutomataDifference: 403.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 186 SDtfs, 317 SDslu, 456 SDs, 0 SdLazy, 93 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 119.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 162.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 71.6ms AutomataMinimizationTime, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 92.1ms SsaConstructionTime, 1357.1ms SatisfiabilityAnalysisTime, 648.5ms InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 4 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2021-10-24 10:21:22,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae4c5c-7172-4e07-a8b3-91a3c7edcc40/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...