./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs --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 c2b9f056f9976823248d463e6c6e32cc6e3e7ede ............................................................................................................................................ 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_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs --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 c2b9f056f9976823248d463e6c6e32cc6e3e7ede ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-5709675 [2021-10-16 02:37:31,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:37:31,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:37:31,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:37:31,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:37:31,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:37:31,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:37:31,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:37:31,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:37:31,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:37:31,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:37:31,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:37:31,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:37:31,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:37:31,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:37:31,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:37:31,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:37:31,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:37:31,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:37:31,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:37:31,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:37:31,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:37:31,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:37:31,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:37:31,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:37:31,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:37:31,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:37:31,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:37:31,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:37:31,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:37:31,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:37:31,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:37:31,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:37:31,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:37:31,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:37:31,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:37:31,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:37:31,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:37:31,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:37:31,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:37:31,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:37:31,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:37:31,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:37:31,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:37:31,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:37:31,548 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:37:31,548 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:37:31,549 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:37:31,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:37:31,549 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:37:31,549 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:37:31,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:37:31,550 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:37:31,550 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:37:31,550 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:37:31,551 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:37:31,561 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:37:31,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:37:31,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:37:31,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:37:31,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:37:31,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:37:31,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:37:31,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:37:31,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:37:31,565 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:37:31,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:37:31,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:37:31,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:37:31,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:37:31,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:37:31,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:37:31,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:37:31,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:37:31,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:37:31,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:37:31,569 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:37:31,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:37:31,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:37:31,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:37:31,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:37:31,571 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_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2b9f056f9976823248d463e6c6e32cc6e3e7ede [2021-10-16 02:37:31,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:37:31,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:37:31,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:37:31,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:37:31,860 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:37:31,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-10-16 02:37:31,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/3904c8954/066aa8dc7c85487289cd043b503ae4c3/FLAG47590f10f [2021-10-16 02:37:32,459 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:37:32,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-10-16 02:37:32,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/3904c8954/066aa8dc7c85487289cd043b503ae4c3/FLAG47590f10f [2021-10-16 02:37:32,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/3904c8954/066aa8dc7c85487289cd043b503ae4c3 [2021-10-16 02:37:32,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:37:32,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:37:32,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:37:32,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:37:32,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:37:32,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:32" (1/1) ... [2021-10-16 02:37:32,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35935d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:32, skipping insertion in model container [2021-10-16 02:37:32,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:32" (1/1) ... [2021-10-16 02:37:32,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:37:32,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:37:33,070 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_4773a51f-5772-4167-9a88-7381a9ca8755/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9333,9346] [2021-10-16 02:37:33,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:37:33,174 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) [2021-10-16 02:37:33,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5609c5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:33, skipping insertion in model container [2021-10-16 02:37:33,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:37:33,176 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:37:33,178 INFO L168 Benchmark]: Toolchain (without parser) took 407.03 ms. Allocated memory is still 102.8 MB. Free memory was 68.3 MB in the beginning and 73.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:33,179 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:37:33,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.88 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 73.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:33,183 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 102.8 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.88 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 73.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 645]: 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-5709675 [2021-10-16 02:37:35,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:37:35,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:37:35,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:37:35,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:37:35,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:37:35,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:37:35,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:37:35,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:37:35,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:37:35,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:37:35,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:37:35,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:37:35,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:37:35,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:37:35,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:37:35,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:37:35,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:37:35,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:37:35,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:37:35,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:37:35,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:37:35,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:37:35,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:37:35,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:37:35,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:37:35,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:37:35,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:37:35,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:37:35,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:37:35,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:37:35,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:37:35,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:37:35,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:37:35,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:37:35,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:37:35,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:37:35,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:37:35,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:37:35,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:37:35,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:37:35,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:37:35,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:37:35,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:37:35,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:37:35,536 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:37:35,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:37:35,537 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:37:35,537 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:37:35,537 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:37:35,537 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:37:35,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:37:35,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:37:35,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:37:35,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:37:35,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:37:35,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:37:35,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:37:35,541 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:37:35,541 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:37:35,541 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:37:35,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:37:35,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:37:35,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:37:35,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:37:35,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:37:35,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:37:35,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:37:35,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:37:35,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:37:35,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:37:35,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:37:35,543 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:37:35,544 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:37:35,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:37:35,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:37:35,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:37:35,545 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_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2b9f056f9976823248d463e6c6e32cc6e3e7ede [2021-10-16 02:37:35,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:37:35,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:37:35,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:37:35,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:37:35,933 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:37:35,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-10-16 02:37:36,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/e90d5e68e/5619bd3d0ed64679b1fc3f097e2f74af/FLAG8de10673f [2021-10-16 02:37:36,645 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:37:36,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-10-16 02:37:36,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/e90d5e68e/5619bd3d0ed64679b1fc3f097e2f74af/FLAG8de10673f [2021-10-16 02:37:36,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/data/e90d5e68e/5619bd3d0ed64679b1fc3f097e2f74af [2021-10-16 02:37:36,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:37:36,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:37:36,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:37:36,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:37:36,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:37:36,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:36" (1/1) ... [2021-10-16 02:37:36,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262068c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:36, skipping insertion in model container [2021-10-16 02:37:36,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:36" (1/1) ... [2021-10-16 02:37:36,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:37:37,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:37:37,244 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_4773a51f-5772-4167-9a88-7381a9ca8755/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9333,9346] [2021-10-16 02:37:37,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:37:37,324 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:37:37,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:37:37,392 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_4773a51f-5772-4167-9a88-7381a9ca8755/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9333,9346] [2021-10-16 02:37:37,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:37:37,467 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:37:37,513 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_4773a51f-5772-4167-9a88-7381a9ca8755/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9333,9346] [2021-10-16 02:37:37,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:37:37,607 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:37:37,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37 WrapperNode [2021-10-16 02:37:37,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:37:37,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:37:37,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:37:37,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:37:37,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:37:37,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:37:37,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:37:37,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:37:37,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:37:37,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:37:37,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:37:37,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:37:37,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (1/1) ... [2021-10-16 02:37:37,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:37:37,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:37:37,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:37:37,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:37:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:37:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:37:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:37:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:37:41,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:37:41,124 INFO L299 CfgBuilder]: Removed 900 assume(true) statements. [2021-10-16 02:37:41,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:41 BoogieIcfgContainer [2021-10-16 02:37:41,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:37:41,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:37:41,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:37:41,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:37:41,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:37:36" (1/3) ... [2021-10-16 02:37:41,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547111f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:41, skipping insertion in model container [2021-10-16 02:37:41,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:37" (2/3) ... [2021-10-16 02:37:41,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547111f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:41, skipping insertion in model container [2021-10-16 02:37:41,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:41" (3/3) ... [2021-10-16 02:37:41,136 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2021-10-16 02:37:41,141 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:37:41,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:37:41,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:37:41,212 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, mConcurrency=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 [2021-10-16 02:37:41,213 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:37:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 470 states, 466 states have (on average 1.5751072961373391) internal successors, (734), 469 states have internal predecessors, (734), 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) [2021-10-16 02:37:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-16 02:37:41,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:41,244 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] [2021-10-16 02:37:41,245 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:41,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:41,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2021-10-16 02:37:41,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:41,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112343072] [2021-10-16 02:37:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:41,265 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:41,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:41,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:41,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:37:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:41,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:37:41,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:41,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:41,716 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:41,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112343072] [2021-10-16 02:37:41,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112343072] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:41,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:41,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:37:41,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067508858] [2021-10-16 02:37:41,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:37:41,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:41,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:37:41,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:37:41,744 INFO L87 Difference]: Start difference. First operand has 470 states, 466 states have (on average 1.5751072961373391) internal successors, (734), 469 states have internal predecessors, (734), 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 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-10-16 02:37:41,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:41,807 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2021-10-16 02:37:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:37:41,808 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2021-10-16 02:37:41,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:41,825 INFO L225 Difference]: With dead ends: 927 [2021-10-16 02:37:41,825 INFO L226 Difference]: Without dead ends: 466 [2021-10-16 02:37:41,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:37:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-16 02:37:41,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2021-10-16 02:37:41,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 463 states have (on average 1.5593952483801297) internal successors, (722), 465 states have internal predecessors, (722), 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) [2021-10-16 02:37:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2021-10-16 02:37:41,909 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2021-10-16 02:37:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:41,909 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2021-10-16 02:37:41,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-10-16 02:37:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2021-10-16 02:37:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:37:41,911 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:41,911 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] [2021-10-16 02:37:41,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:42,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:42,127 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:42,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:42,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2021-10-16 02:37:42,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:42,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457204190] [2021-10-16 02:37:42,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:42,131 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:42,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:42,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:37:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:42,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:37:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:42,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:42,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:42,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457204190] [2021-10-16 02:37:42,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457204190] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:42,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:42,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:37:42,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627491487] [2021-10-16 02:37:42,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:37:42,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:42,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:37:42,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:37:42,531 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-16 02:37:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:42,601 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2021-10-16 02:37:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:37:42,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 [2021-10-16 02:37:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:42,604 INFO L225 Difference]: With dead ends: 466 [2021-10-16 02:37:42,604 INFO L226 Difference]: Without dead ends: 172 [2021-10-16 02:37:42,606 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:37:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-16 02:37:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-16 02:37:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.5380116959064327) internal successors, (263), 171 states have internal predecessors, (263), 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) [2021-10-16 02:37:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2021-10-16 02:37:42,628 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2021-10-16 02:37:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:42,628 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2021-10-16 02:37:42,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-16 02:37:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2021-10-16 02:37:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-16 02:37:42,637 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:42,643 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, 1, 1, 1, 1, 1] [2021-10-16 02:37:42,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:42,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:42,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:42,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:42,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2021-10-16 02:37:42,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:42,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904769395] [2021-10-16 02:37:42,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:42,858 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:42,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:42,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:37:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:43,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:37:43,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:43,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:43,335 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:43,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904769395] [2021-10-16 02:37:43,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904769395] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:43,336 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:43,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:37:43,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802496081] [2021-10-16 02:37:43,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:37:43,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:43,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:37:43,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:37:43,338 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-10-16 02:37:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:43,377 INFO L93 Difference]: Finished difference Result 515 states and 801 transitions. [2021-10-16 02:37:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:37:43,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 30 [2021-10-16 02:37:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:43,381 INFO L225 Difference]: With dead ends: 515 [2021-10-16 02:37:43,382 INFO L226 Difference]: Without dead ends: 356 [2021-10-16 02:37:43,383 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:37:43,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-16 02:37:43,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 193. [2021-10-16 02:37:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 1.5416666666666667) internal successors, (296), 192 states have internal predecessors, (296), 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) [2021-10-16 02:37:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2021-10-16 02:37:43,421 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 30 [2021-10-16 02:37:43,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:43,422 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2021-10-16 02:37:43,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-10-16 02:37:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2021-10-16 02:37:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:37:43,424 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:43,424 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:43,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:43,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:43,640 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:43,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2021-10-16 02:37:43,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:43,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470563827] [2021-10-16 02:37:43,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:43,644 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:43,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:43,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:37:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:43,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:37:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:43,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:44,096 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:44,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470563827] [2021-10-16 02:37:44,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470563827] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:44,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:44,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:37:44,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723353815] [2021-10-16 02:37:44,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:37:44,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:44,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:37:44,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:37:44,100 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-10-16 02:37:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:44,189 INFO L93 Difference]: Finished difference Result 384 states and 597 transitions. [2021-10-16 02:37:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:37:44,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-10-16 02:37:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:44,191 INFO L225 Difference]: With dead ends: 384 [2021-10-16 02:37:44,191 INFO L226 Difference]: Without dead ends: 204 [2021-10-16 02:37:44,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:37:44,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-16 02:37:44,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2021-10-16 02:37:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.5024875621890548) internal successors, (302), 201 states have internal predecessors, (302), 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) [2021-10-16 02:37:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 302 transitions. [2021-10-16 02:37:44,214 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 302 transitions. Word has length 33 [2021-10-16 02:37:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:44,215 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 302 transitions. [2021-10-16 02:37:44,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-10-16 02:37:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2021-10-16 02:37:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:37:44,222 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:44,222 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:44,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:44,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:44,435 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:44,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:44,435 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2021-10-16 02:37:44,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:44,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535158054] [2021-10-16 02:37:44,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:44,436 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:44,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:44,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:44,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:37:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:44,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:37:44,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:44,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:45,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:45,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535158054] [2021-10-16 02:37:45,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535158054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:45,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:45,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-16 02:37:45,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246008432] [2021-10-16 02:37:45,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:37:45,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:45,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:37:45,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:37:45,017 INFO L87 Difference]: Start difference. First operand 202 states and 302 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-10-16 02:37:45,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:45,606 INFO L93 Difference]: Finished difference Result 1694 states and 2601 transitions. [2021-10-16 02:37:45,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 02:37:45,606 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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 33 [2021-10-16 02:37:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:45,616 INFO L225 Difference]: With dead ends: 1694 [2021-10-16 02:37:45,617 INFO L226 Difference]: Without dead ends: 1505 [2021-10-16 02:37:45,618 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 124.7ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-16 02:37:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2021-10-16 02:37:45,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 491. [2021-10-16 02:37:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.489795918367347) internal successors, (730), 490 states have internal predecessors, (730), 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) [2021-10-16 02:37:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 730 transitions. [2021-10-16 02:37:45,682 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 730 transitions. Word has length 33 [2021-10-16 02:37:45,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:45,682 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 730 transitions. [2021-10-16 02:37:45,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-10-16 02:37:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 730 transitions. [2021-10-16 02:37:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-16 02:37:45,686 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:45,687 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:45,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:45,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:45,899 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:45,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:45,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1610564718, now seen corresponding path program 1 times [2021-10-16 02:37:45,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:45,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643046397] [2021-10-16 02:37:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:45,901 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:45,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:45,904 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:45,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:37:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:46,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:37:46,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:46,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:46,507 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:46,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643046397] [2021-10-16 02:37:46,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643046397] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:37:46,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1052915152] [2021-10-16 02:37:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:46,508 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:37:46,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:37:46,510 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:37:46,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:37:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:46,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:37:46,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:46,951 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:37:46,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:37:47,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1052915152] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:47,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:37:47,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-16 02:37:47,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745104615] [2021-10-16 02:37:47,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:37:47,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:47,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:37:47,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:37:47,054 INFO L87 Difference]: Start difference. First operand 491 states and 730 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) [2021-10-16 02:37:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:47,427 INFO L93 Difference]: Finished difference Result 1309 states and 1977 transitions. [2021-10-16 02:37:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 02:37:47,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) Word has length 49 [2021-10-16 02:37:47,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:47,436 INFO L225 Difference]: With dead ends: 1309 [2021-10-16 02:37:47,436 INFO L226 Difference]: Without dead ends: 1307 [2021-10-16 02:37:47,437 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 95.1ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:37:47,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2021-10-16 02:37:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 491. [2021-10-16 02:37:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.4857142857142858) internal successors, (728), 490 states have internal predecessors, (728), 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) [2021-10-16 02:37:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 728 transitions. [2021-10-16 02:37:47,495 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 728 transitions. Word has length 49 [2021-10-16 02:37:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:47,496 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 728 transitions. [2021-10-16 02:37:47,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) [2021-10-16 02:37:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 728 transitions. [2021-10-16 02:37:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 02:37:47,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:47,498 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:47,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:47,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:47,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:47,901 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:47,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:47,901 INFO L82 PathProgramCache]: Analyzing trace with hash 421650894, now seen corresponding path program 1 times [2021-10-16 02:37:47,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:47,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941356188] [2021-10-16 02:37:47,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:47,902 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:47,903 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:47,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:37:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:48,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:37:48,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:37:48,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:37:48,556 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:48,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941356188] [2021-10-16 02:37:48,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941356188] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:48,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:48,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:37:48,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188552914] [2021-10-16 02:37:48,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:37:48,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:48,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:37:48,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:37:48,558 INFO L87 Difference]: Start difference. First operand 491 states and 728 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-10-16 02:37:48,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:48,817 INFO L93 Difference]: Finished difference Result 1333 states and 1967 transitions. [2021-10-16 02:37:48,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:37:48,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 59 [2021-10-16 02:37:48,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:48,825 INFO L225 Difference]: With dead ends: 1333 [2021-10-16 02:37:48,825 INFO L226 Difference]: Without dead ends: 855 [2021-10-16 02:37:48,828 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:37:48,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-10-16 02:37:48,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 551. [2021-10-16 02:37:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 550 states have (on average 1.4327272727272726) internal successors, (788), 550 states have internal predecessors, (788), 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) [2021-10-16 02:37:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 788 transitions. [2021-10-16 02:37:48,891 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 788 transitions. Word has length 59 [2021-10-16 02:37:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:48,891 INFO L470 AbstractCegarLoop]: Abstraction has 551 states and 788 transitions. [2021-10-16 02:37:48,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-10-16 02:37:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 788 transitions. [2021-10-16 02:37:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 02:37:48,896 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:48,897 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:48,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-16 02:37:49,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:49,110 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:49,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1807854288, now seen corresponding path program 1 times [2021-10-16 02:37:49,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:49,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716266080] [2021-10-16 02:37:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:49,111 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:49,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:49,112 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:49,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:37:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:49,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:37:49,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:37:49,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:37:49,719 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:49,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716266080] [2021-10-16 02:37:49,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716266080] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:49,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:49,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 02:37:49,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677437932] [2021-10-16 02:37:49,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:37:49,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:49,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:37:49,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:37:49,721 INFO L87 Difference]: Start difference. First operand 551 states and 788 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-10-16 02:37:49,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:49,934 INFO L93 Difference]: Finished difference Result 1290 states and 1845 transitions. [2021-10-16 02:37:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:37:49,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 59 [2021-10-16 02:37:49,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:49,940 INFO L225 Difference]: With dead ends: 1290 [2021-10-16 02:37:49,940 INFO L226 Difference]: Without dead ends: 752 [2021-10-16 02:37:49,941 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:37:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-10-16 02:37:50,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 464. [2021-10-16 02:37:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 463 states have (on average 1.3909287257019438) internal successors, (644), 463 states have internal predecessors, (644), 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) [2021-10-16 02:37:50,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 644 transitions. [2021-10-16 02:37:50,005 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 644 transitions. Word has length 59 [2021-10-16 02:37:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:50,005 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 644 transitions. [2021-10-16 02:37:50,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-10-16 02:37:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 644 transitions. [2021-10-16 02:37:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-16 02:37:50,007 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:50,007 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:50,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:50,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:50,220 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:50,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:50,220 INFO L82 PathProgramCache]: Analyzing trace with hash 124429653, now seen corresponding path program 1 times [2021-10-16 02:37:50,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:50,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271953075] [2021-10-16 02:37:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:50,221 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:50,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:50,222 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:37:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:50,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:37:50,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:50,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:37:50,878 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:50,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271953075] [2021-10-16 02:37:50,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271953075] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:37:50,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:37:50,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:37:50,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522324408] [2021-10-16 02:37:50,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:37:50,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:50,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:37:50,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:37:50,880 INFO L87 Difference]: Start difference. First operand 464 states and 644 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-10-16 02:37:52,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:52,290 INFO L93 Difference]: Finished difference Result 1061 states and 1491 transitions. [2021-10-16 02:37:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:37:52,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2021-10-16 02:37:52,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:52,294 INFO L225 Difference]: With dead ends: 1061 [2021-10-16 02:37:52,294 INFO L226 Difference]: Without dead ends: 610 [2021-10-16 02:37:52,295 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:37:52,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2021-10-16 02:37:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 610. [2021-10-16 02:37:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 609 states have (on average 1.3760262725779968) internal successors, (838), 609 states have internal predecessors, (838), 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) [2021-10-16 02:37:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 838 transitions. [2021-10-16 02:37:52,365 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 838 transitions. Word has length 60 [2021-10-16 02:37:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:52,366 INFO L470 AbstractCegarLoop]: Abstraction has 610 states and 838 transitions. [2021-10-16 02:37:52,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-10-16 02:37:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 838 transitions. [2021-10-16 02:37:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-16 02:37:52,372 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:52,372 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:52,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:52,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:37:52,585 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:52,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:52,585 INFO L82 PathProgramCache]: Analyzing trace with hash 417791151, now seen corresponding path program 1 times [2021-10-16 02:37:52,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:52,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992497582] [2021-10-16 02:37:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:52,586 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:52,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:52,587 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:52,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 02:37:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:52,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:37:52,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:37:53,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:37:53,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:37:53,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992497582] [2021-10-16 02:37:53,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992497582] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:37:53,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [451053288] [2021-10-16 02:37:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:53,462 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:37:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:37:53,463 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:37:53,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-16 02:37:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:53,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:37:53,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:37:54,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:37:54,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [451053288] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:37:54,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999203611] [2021-10-16 02:37:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:37:54,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:37:54,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:37:54,423 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:37:54,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-16 02:37:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:37:54,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:37:54,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:37:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:37:55,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:37:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:37:55,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999203611] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:37:55,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:37:55,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-16 02:37:55,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543005611] [2021-10-16 02:37:55,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:37:55,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:37:55,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:37:55,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:37:55,274 INFO L87 Difference]: Start difference. First operand 610 states and 838 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 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) [2021-10-16 02:37:58,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:37:58,057 INFO L93 Difference]: Finished difference Result 3472 states and 4761 transitions. [2021-10-16 02:37:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 02:37:58,058 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 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 61 [2021-10-16 02:37:58,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:37:58,074 INFO L225 Difference]: With dead ends: 3472 [2021-10-16 02:37:58,075 INFO L226 Difference]: Without dead ends: 2999 [2021-10-16 02:37:58,077 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 330.0ms TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2021-10-16 02:37:58,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2021-10-16 02:37:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 849. [2021-10-16 02:37:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 848 states have (on average 1.3785377358490567) internal successors, (1169), 848 states have internal predecessors, (1169), 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) [2021-10-16 02:37:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1169 transitions. [2021-10-16 02:37:58,198 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1169 transitions. Word has length 61 [2021-10-16 02:37:58,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:37:58,198 INFO L470 AbstractCegarLoop]: Abstraction has 849 states and 1169 transitions. [2021-10-16 02:37:58,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 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) [2021-10-16 02:37:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1169 transitions. [2021-10-16 02:37:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-16 02:37:58,200 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:37:58,200 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:37:58,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:58,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:37:58,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-10-16 02:37:58,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:37:58,828 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:37:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:37:58,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1375374740, now seen corresponding path program 2 times [2021-10-16 02:37:58,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:37:58,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033708652] [2021-10-16 02:37:58,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:37:58,829 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:37:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:37:58,829 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:37:58,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-16 02:38:00,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:38:00,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-16 02:38:00,302 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:38:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:38:02,234 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:38:02,234 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:38:02,235 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:38:02,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:38:02,237 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:38:02,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-16 02:38:02,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:38:02,464 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:38:02,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:38:02 BoogieIcfgContainer [2021-10-16 02:38:02,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:38:02,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:38:02,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:38:02,667 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:38:02,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:41" (3/4) ... [2021-10-16 02:38:02,669 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:38:02,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:38:02,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:38:02,879 INFO L168 Benchmark]: Toolchain (without parser) took 25927.21 ms. Allocated memory was 67.1 MB in the beginning and 121.6 MB in the end (delta: 54.5 MB). Free memory was 42.6 MB in the beginning and 39.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,879 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 32.9 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:38:02,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.16 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 48.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.02 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 37.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,881 INFO L168 Benchmark]: Boogie Preprocessor took 134.33 ms. Allocated memory is still 67.1 MB. Free memory was 37.6 MB in the beginning and 30.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,881 INFO L168 Benchmark]: RCFGBuilder took 3221.95 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 30.3 MB in the beginning and 52.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,882 INFO L168 Benchmark]: TraceAbstraction took 21536.83 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 52.5 MB in the beginning and 27.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,882 INFO L168 Benchmark]: Witness Printer took 210.29 ms. Allocated memory is still 121.6 MB. Free memory was 27.4 MB in the beginning and 39.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:02,884 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 52.4 MB. Free memory was 33.0 MB in the beginning and 32.9 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 644.16 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 48.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 161.02 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 37.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.33 ms. Allocated memory is still 67.1 MB. Free memory was 37.6 MB in the beginning and 30.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3221.95 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 30.3 MB in the beginning and 52.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21536.83 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 52.5 MB in the beginning and 27.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. * Witness Printer took 210.29 ms. Allocated memory is still 121.6 MB. Free memory was 27.4 MB in the beginning and 39.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 6.4 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: 612]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L155] int __SELECTED_FEATURE_base ; [L156] int __SELECTED_FEATURE_highWaterSensor ; [L157] int __SELECTED_FEATURE_lowWaterSensor ; [L158] int __SELECTED_FEATURE_methaneQuery ; [L159] int __SELECTED_FEATURE_methaneAlarm ; [L160] int __SELECTED_FEATURE_stopCommand ; [L161] int __SELECTED_FEATURE_startCommand ; [L162] int __GUIDSL_ROOT_PRODUCTION ; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L983] int waterLevel = 1; [L984] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L1117] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1102] __SELECTED_FEATURE_base = 1 [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1103] __SELECTED_FEATURE_highWaterSensor = select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1104] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1105] __SELECTED_FEATURE_methaneQuery = select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1106] __SELECTED_FEATURE_methaneAlarm = select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1107] __SELECTED_FEATURE_stopCommand = select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1108] __SELECTED_FEATURE_startCommand = select_one() [L1122] int retValue_acc ; [L1125] retValue_acc = __SELECTED_FEATURE_base [L1126] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L549] tmp = __VERIFIER_nondet_int() [L551] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1001] COND TRUE waterLevel < 2 [L1002] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L581] tmp___1 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L214] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L264] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L236] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE ! pumpRunning [L470] int retValue_acc ; [L471] int tmp ; [L472] int tmp___0 ; [L1063] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1066] COND FALSE !(waterLevel < 2) [L1070] retValue_acc = 0 [L1071] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L476] tmp = isHighWaterSensorDry() [L478] COND FALSE !(\read(tmp)) [L481] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L483] retValue_acc = tmp___0 [L484] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] tmp = isHighWaterLevel() [L243] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L392] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L367] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L166] int tmp ; [L167] int tmp___0 ; [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L543] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L581] tmp___1 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L207] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L989] COND TRUE waterLevel > 0 [L990] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L214] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L264] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L236] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L239] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L166] int tmp ; [L167] int tmp___0 ; [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L541] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L543] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L581] tmp___1 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L207] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L989] COND TRUE waterLevel > 0 [L990] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L214] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L264] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L236] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L239] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L166] int tmp ; [L167] int tmp___0 ; [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L171] tmp = getWaterLevel() [L173] COND TRUE tmp == 0 [L425] int retValue_acc ; [L428] retValue_acc = pumpRunning [L429] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L175] tmp___0 = isPumpRunning() [L177] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L612] reach_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147549184, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - UnprovableResult [Line: 612]: 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: 612]: 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, 470 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 21256.7ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 46.8ms, AutomataDifference: 6015.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3833 SDtfs, 8885 SDslu, 8213 SDs, 0 SdLazy, 1243 SolverSat, 292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3966.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1217 GetRequests, 1150 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 628.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=849occurred in iteration=10, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 567.8ms AutomataMinimizationTime, 10 MinimizatonAttempts, 4737 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 357.1ms SsaConstructionTime, 2567.8ms SatisfiabilityAnalysisTime, 4242.2ms InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 2804 SizeOfPredicates, 21 NumberOfNonLiveVariables, 3196 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 188/270 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! [2021-10-16 02:38:02,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4773a51f-5772-4167-9a88-7381a9ca8755/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...