./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan --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 bb7a46e472d875a33249a5df380376743390ac30 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan --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 bb7a46e472d875a33249a5df380376743390ac30 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:20:18,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:20:18,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:20:18,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:20:18,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:20:18,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:20:18,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:20:18,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:20:18,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:20:18,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:20:18,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:20:18,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:20:18,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:20:18,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:20:18,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:20:18,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:20:18,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:20:18,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:20:18,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:20:18,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:20:18,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:20:18,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:20:18,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:20:18,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:20:18,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:20:18,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:20:18,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:20:18,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:20:18,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:20:18,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:20:18,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:20:18,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:20:18,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:20:18,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:20:18,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:20:18,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:20:18,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:20:18,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:20:18,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:20:18,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:20:18,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:20:18,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:20:18,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:20:18,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:20:18,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:20:18,711 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:20:18,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:20:18,711 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:20:18,712 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:20:18,712 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:20:18,713 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:20:18,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:20:18,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:20:18,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:20:18,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:20:18,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:20:18,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:20:18,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:20:18,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:20:18,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:20:18,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:20:18,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:20:18,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:20:18,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:20:18,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:20:18,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:20:18,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:20:18,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:20:18,716 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-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb7a46e472d875a33249a5df380376743390ac30 [2020-12-09 16:20:18,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:20:18,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:20:18,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:20:18,914 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:20:18,915 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:20:18,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2020-12-09 16:20:18,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/3f1bfd25d/ceb29929e88841b7907dc618e1c60f67/FLAG317a0fd78 [2020-12-09 16:20:19,339 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:20:19,339 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2020-12-09 16:20:19,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/3f1bfd25d/ceb29929e88841b7907dc618e1c60f67/FLAG317a0fd78 [2020-12-09 16:20:19,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/3f1bfd25d/ceb29929e88841b7907dc618e1c60f67 [2020-12-09 16:20:19,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:20:19,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:20:19,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:20:19,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:20:19,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:20:19,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:19" (1/1) ... [2020-12-09 16:20:19,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a646af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:19, skipping insertion in model container [2020-12-09 16:20:19,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:19" (1/1) ... [2020-12-09 16:20:19,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:20:19,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:20:19,569 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9009,9022] [2020-12-09 16:20:19,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:20:19,622 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) [2020-12-09 16:20:19,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dcc9f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:19, skipping insertion in model container [2020-12-09 16:20:19,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:20:19,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:20:19,625 INFO L168 Benchmark]: Toolchain (without parser) took 261.92 ms. Allocated memory is still 121.6 MB. Free memory was 84.1 MB in the beginning and 94.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:19,625 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 121.6 MB. Free memory is still 101.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:20:19,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.06 ms. Allocated memory is still 121.6 MB. Free memory was 83.9 MB in the beginning and 94.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:19,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 121.6 MB. Free memory is still 101.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.06 ms. Allocated memory is still 121.6 MB. Free memory was 83.9 MB in the beginning and 94.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 637]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:20:20,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:20:20,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:20:20,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:20:20,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:20:20,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:20:20,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:20:20,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:20:20,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:20:20,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:20:20,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:20:20,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:20:20,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:20:20,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:20:20,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:20:20,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:20:20,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:20:20,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:20:20,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:20:20,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:20:20,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:20:20,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:20:20,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:20:20,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:20:20,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:20:20,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:20:20,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:20:20,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:20:20,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:20:20,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:20:20,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:20:20,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:20:20,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:20:20,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:20:20,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:20:20,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:20:20,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:20:20,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:20:20,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:20:20,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:20:21,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:20:21,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 16:20:21,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:20:21,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:20:21,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:20:21,029 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:20:21,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:20:21,029 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:20:21,029 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:20:21,030 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:20:21,030 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:20:21,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:20:21,031 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:20:21,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:20:21,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:20:21,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:20:21,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:20:21,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:20:21,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:20:21,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:20:21,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:20:21,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:20:21,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:20:21,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:20:21,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:20:21,034 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:20:21,034 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:20:21,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:20:21,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:20:21,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:20:21,035 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-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb7a46e472d875a33249a5df380376743390ac30 [2020-12-09 16:20:21,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:20:21,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:20:21,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:20:21,301 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:20:21,301 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:20:21,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2020-12-09 16:20:21,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/ed550cada/5158969354e54bed9f4bfa53a1e5888b/FLAG7d2ca3c33 [2020-12-09 16:20:21,795 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:20:21,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2020-12-09 16:20:21,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/ed550cada/5158969354e54bed9f4bfa53a1e5888b/FLAG7d2ca3c33 [2020-12-09 16:20:21,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/data/ed550cada/5158969354e54bed9f4bfa53a1e5888b [2020-12-09 16:20:21,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:20:21,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:20:21,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:20:21,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:20:21,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:20:21,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:21" (1/1) ... [2020-12-09 16:20:21,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44850634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:21, skipping insertion in model container [2020-12-09 16:20:21,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:21" (1/1) ... [2020-12-09 16:20:21,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:20:21,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:20:22,036 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9009,9022] [2020-12-09 16:20:22,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:20:22,130 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 16:20:22,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:20:22,166 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9009,9022] [2020-12-09 16:20:22,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:20:22,208 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:20:22,235 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9009,9022] [2020-12-09 16:20:22,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:20:22,305 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:20:22,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22 WrapperNode [2020-12-09 16:20:22,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:20:22,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:20:22,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:20:22,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:20:22,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:20:22,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:20:22,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:20:22,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:20:22,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... [2020-12-09 16:20:22,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:20:22,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:20:22,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:20:22,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:20:22,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:20:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:20:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 16:20:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:20:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:20:24,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:20:24,830 INFO L299 CfgBuilder]: Removed 900 assume(true) statements. [2020-12-09 16:20:24,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:24 BoogieIcfgContainer [2020-12-09 16:20:24,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:20:24,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:20:24,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:20:24,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:20:24,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:20:21" (1/3) ... [2020-12-09 16:20:24,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513ed76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:20:24, skipping insertion in model container [2020-12-09 16:20:24,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:22" (2/3) ... [2020-12-09 16:20:24,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513ed76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:20:24, skipping insertion in model container [2020-12-09 16:20:24,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:24" (3/3) ... [2020-12-09 16:20:24,838 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-12-09 16:20:24,847 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:20:24,849 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 16:20:24,858 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 16:20:24,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:20:24,880 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:20:24,880 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:20:24,880 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:20:24,880 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:20:24,880 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:20:24,880 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:20:24,880 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:20:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2020-12-09 16:20:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 16:20:24,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:24,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:20:24,904 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:24,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:24,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2020-12-09 16:20:24,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:24,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013027381] [2020-12-09 16:20:24,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:25,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 16:20:25,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:25,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:25,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013027381] [2020-12-09 16:20:25,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:25,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:20:25,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071026977] [2020-12-09 16:20:25,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:20:25,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:25,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:20:25,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:20:25,145 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2020-12-09 16:20:25,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:25,210 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2020-12-09 16:20:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:20:25,210 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2020-12-09 16:20:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:25,223 INFO L225 Difference]: With dead ends: 927 [2020-12-09 16:20:25,223 INFO L226 Difference]: Without dead ends: 466 [2020-12-09 16:20:25,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:20:25,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-12-09 16:20:25,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2020-12-09 16:20:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-12-09 16:20:25,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2020-12-09 16:20:25,292 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2020-12-09 16:20:25,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:25,293 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2020-12-09 16:20:25,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:20:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2020-12-09 16:20:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-09 16:20:25,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:25,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:20:25,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:20:25,495 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:25,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:25,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2020-12-09 16:20:25,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:25,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626372637] [2020-12-09 16:20:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:25,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:20:25,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:25,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:25,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626372637] [2020-12-09 16:20:25,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:25,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:20:25,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568852944] [2020-12-09 16:20:25,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:20:25,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:25,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:20:25,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:25,674 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2020-12-09 16:20:25,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:25,695 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2020-12-09 16:20:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:20:25,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-09 16:20:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:25,698 INFO L225 Difference]: With dead ends: 466 [2020-12-09 16:20:25,698 INFO L226 Difference]: Without dead ends: 172 [2020-12-09 16:20:25,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:25,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-09 16:20:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-12-09 16:20:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-12-09 16:20:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2020-12-09 16:20:25,712 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2020-12-09 16:20:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:25,712 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2020-12-09 16:20:25,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:20:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2020-12-09 16:20:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-09 16:20:25,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:25,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:20:25,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:20:25,916 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:25,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:25,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2020-12-09 16:20:25,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:25,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681615890] [2020-12-09 16:20:25,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:26,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:20:26,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:26,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:26,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681615890] [2020-12-09 16:20:26,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:26,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:20:26,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203059306] [2020-12-09 16:20:26,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:20:26,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:26,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:20:26,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:26,177 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 3 states. [2020-12-09 16:20:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:26,206 INFO L93 Difference]: Finished difference Result 490 states and 763 transitions. [2020-12-09 16:20:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:20:26,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-12-09 16:20:26,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:26,211 INFO L225 Difference]: With dead ends: 490 [2020-12-09 16:20:26,211 INFO L226 Difference]: Without dead ends: 331 [2020-12-09 16:20:26,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-12-09 16:20:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2020-12-09 16:20:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-12-09 16:20:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 508 transitions. [2020-12-09 16:20:26,239 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 508 transitions. Word has length 30 [2020-12-09 16:20:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:26,239 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 508 transitions. [2020-12-09 16:20:26,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:20:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 508 transitions. [2020-12-09 16:20:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-09 16:20:26,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:26,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:20:26,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:20:26,443 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:26,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:26,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2020-12-09 16:20:26,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:26,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453032409] [2020-12-09 16:20:26,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:26,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:20:26,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:26,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:26,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453032409] [2020-12-09 16:20:26,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:26,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:20:26,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271310979] [2020-12-09 16:20:26,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:20:26,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:26,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:20:26,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:26,592 INFO L87 Difference]: Start difference. First operand 327 states and 508 transitions. Second operand 3 states. [2020-12-09 16:20:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:26,682 INFO L93 Difference]: Finished difference Result 662 states and 1041 transitions. [2020-12-09 16:20:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:20:26,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-09 16:20:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:26,685 INFO L225 Difference]: With dead ends: 662 [2020-12-09 16:20:26,685 INFO L226 Difference]: Without dead ends: 348 [2020-12-09 16:20:26,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-12-09 16:20:26,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2020-12-09 16:20:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-12-09 16:20:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 526 transitions. [2020-12-09 16:20:26,707 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 526 transitions. Word has length 33 [2020-12-09 16:20:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:26,707 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 526 transitions. [2020-12-09 16:20:26,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:20:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 526 transitions. [2020-12-09 16:20:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-09 16:20:26,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:26,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:20:26,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 16:20:26,910 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:26,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:26,912 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2020-12-09 16:20:26,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:26,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926424950] [2020-12-09 16:20:26,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:27,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 16:20:27,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:27,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:27,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926424950] [2020-12-09 16:20:27,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:27,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:20:27,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098423726] [2020-12-09 16:20:27,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:20:27,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:27,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:20:27,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:20:27,144 INFO L87 Difference]: Start difference. First operand 346 states and 526 transitions. Second operand 5 states. [2020-12-09 16:20:27,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:27,284 INFO L93 Difference]: Finished difference Result 1288 states and 1972 transitions. [2020-12-09 16:20:27,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:20:27,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-09 16:20:27,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:27,289 INFO L225 Difference]: With dead ends: 1288 [2020-12-09 16:20:27,289 INFO L226 Difference]: Without dead ends: 955 [2020-12-09 16:20:27,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-09 16:20:27,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2020-12-09 16:20:27,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 529. [2020-12-09 16:20:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-12-09 16:20:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 787 transitions. [2020-12-09 16:20:27,320 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 787 transitions. Word has length 33 [2020-12-09 16:20:27,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:27,320 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 787 transitions. [2020-12-09 16:20:27,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:20:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 787 transitions. [2020-12-09 16:20:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-09 16:20:27,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:27,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:20:27,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 16:20:27,523 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:27,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:27,525 INFO L82 PathProgramCache]: Analyzing trace with hash -513795011, now seen corresponding path program 1 times [2020-12-09 16:20:27,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:27,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867001971] [2020-12-09 16:20:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:27,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:20:27,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:27,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:27,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867001971] [2020-12-09 16:20:27,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:27,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:20:27,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72567780] [2020-12-09 16:20:27,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:20:27,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:27,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:20:27,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 16:20:27,815 INFO L87 Difference]: Start difference. First operand 529 states and 787 transitions. Second operand 6 states. [2020-12-09 16:20:29,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:29,240 INFO L93 Difference]: Finished difference Result 1773 states and 2700 transitions. [2020-12-09 16:20:29,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 16:20:29,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-09 16:20:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:29,247 INFO L225 Difference]: With dead ends: 1773 [2020-12-09 16:20:29,247 INFO L226 Difference]: Without dead ends: 1440 [2020-12-09 16:20:29,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-09 16:20:29,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2020-12-09 16:20:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1037. [2020-12-09 16:20:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2020-12-09 16:20:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1532 transitions. [2020-12-09 16:20:29,297 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1532 transitions. Word has length 34 [2020-12-09 16:20:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:29,298 INFO L481 AbstractCegarLoop]: Abstraction has 1037 states and 1532 transitions. [2020-12-09 16:20:29,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:20:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1532 transitions. [2020-12-09 16:20:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-09 16:20:29,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:29,300 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-12-09 16:20:29,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 16:20:29,501 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:29,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:29,502 INFO L82 PathProgramCache]: Analyzing trace with hash 462163828, now seen corresponding path program 1 times [2020-12-09 16:20:29,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:29,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463338696] [2020-12-09 16:20:29,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:29,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:20:29,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:29,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:29,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463338696] [2020-12-09 16:20:29,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:29,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:20:29,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591153204] [2020-12-09 16:20:29,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:20:29,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:29,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:20:29,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:29,785 INFO L87 Difference]: Start difference. First operand 1037 states and 1532 transitions. Second operand 3 states. [2020-12-09 16:20:29,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:29,860 INFO L93 Difference]: Finished difference Result 2146 states and 3172 transitions. [2020-12-09 16:20:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:20:29,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-09 16:20:29,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:29,866 INFO L225 Difference]: With dead ends: 2146 [2020-12-09 16:20:29,866 INFO L226 Difference]: Without dead ends: 1122 [2020-12-09 16:20:29,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:29,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-12-09 16:20:29,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 607. [2020-12-09 16:20:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-12-09 16:20:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 890 transitions. [2020-12-09 16:20:29,899 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 890 transitions. Word has length 59 [2020-12-09 16:20:29,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:29,899 INFO L481 AbstractCegarLoop]: Abstraction has 607 states and 890 transitions. [2020-12-09 16:20:29,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:20:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 890 transitions. [2020-12-09 16:20:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-09 16:20:29,900 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:29,900 INFO L422 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] [2020-12-09 16:20:30,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 16:20:30,100 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:30,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:30,101 INFO L82 PathProgramCache]: Analyzing trace with hash 421650894, now seen corresponding path program 1 times [2020-12-09 16:20:30,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:30,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068180994] [2020-12-09 16:20:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:30,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 16:20:30,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 16:20:30,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:30,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068180994] [2020-12-09 16:20:30,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:30,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:20:30,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523196006] [2020-12-09 16:20:30,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:20:30,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:30,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:20:30,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:20:30,283 INFO L87 Difference]: Start difference. First operand 607 states and 890 transitions. Second operand 5 states. [2020-12-09 16:20:30,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:30,505 INFO L93 Difference]: Finished difference Result 1689 states and 2473 transitions. [2020-12-09 16:20:30,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:20:30,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-09 16:20:30,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:30,512 INFO L225 Difference]: With dead ends: 1689 [2020-12-09 16:20:30,512 INFO L226 Difference]: Without dead ends: 1095 [2020-12-09 16:20:30,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:20:30,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-12-09 16:20:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 679. [2020-12-09 16:20:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-12-09 16:20:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 962 transitions. [2020-12-09 16:20:30,572 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 962 transitions. Word has length 59 [2020-12-09 16:20:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:30,573 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 962 transitions. [2020-12-09 16:20:30,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:20:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 962 transitions. [2020-12-09 16:20:30,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-09 16:20:30,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:30,574 INFO L422 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] [2020-12-09 16:20:30,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-09 16:20:30,775 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:30,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:30,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1807854288, now seen corresponding path program 1 times [2020-12-09 16:20:30,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:30,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938888481] [2020-12-09 16:20:30,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:30,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 16:20:30,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 16:20:30,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:30,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938888481] [2020-12-09 16:20:30,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:30,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:20:30,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103529552] [2020-12-09 16:20:30,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:20:30,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:30,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:20:30,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:20:30,948 INFO L87 Difference]: Start difference. First operand 679 states and 962 transitions. Second operand 4 states. [2020-12-09 16:20:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:31,086 INFO L93 Difference]: Finished difference Result 1500 states and 2126 transitions. [2020-12-09 16:20:31,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:20:31,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-12-09 16:20:31,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:31,090 INFO L225 Difference]: With dead ends: 1500 [2020-12-09 16:20:31,090 INFO L226 Difference]: Without dead ends: 834 [2020-12-09 16:20:31,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:20:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-12-09 16:20:31,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 594. [2020-12-09 16:20:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-12-09 16:20:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 820 transitions. [2020-12-09 16:20:31,134 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 820 transitions. Word has length 59 [2020-12-09 16:20:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:31,135 INFO L481 AbstractCegarLoop]: Abstraction has 594 states and 820 transitions. [2020-12-09 16:20:31,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:20:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 820 transitions. [2020-12-09 16:20:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-09 16:20:31,136 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:31,136 INFO L422 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] [2020-12-09 16:20:31,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-12-09 16:20:31,337 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:31,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:31,337 INFO L82 PathProgramCache]: Analyzing trace with hash 124429653, now seen corresponding path program 1 times [2020-12-09 16:20:31,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:31,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578911475] [2020-12-09 16:20:31,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:31,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:20:31,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:20:31,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:20:31,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578911475] [2020-12-09 16:20:31,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:20:31,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:20:31,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983097189] [2020-12-09 16:20:31,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:20:31,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:31,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:20:31,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:31,517 INFO L87 Difference]: Start difference. First operand 594 states and 820 transitions. Second operand 3 states. [2020-12-09 16:20:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:32,631 INFO L93 Difference]: Finished difference Result 1271 states and 1767 transitions. [2020-12-09 16:20:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:20:32,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-09 16:20:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:32,634 INFO L225 Difference]: With dead ends: 1271 [2020-12-09 16:20:32,635 INFO L226 Difference]: Without dead ends: 690 [2020-12-09 16:20:32,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:20:32,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-12-09 16:20:32,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2020-12-09 16:20:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-12-09 16:20:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 934 transitions. [2020-12-09 16:20:32,672 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 934 transitions. Word has length 60 [2020-12-09 16:20:32,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:32,672 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 934 transitions. [2020-12-09 16:20:32,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:20:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 934 transitions. [2020-12-09 16:20:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-09 16:20:32,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:32,673 INFO L422 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] [2020-12-09 16:20:32,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-12-09 16:20:32,874 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:32,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:32,874 INFO L82 PathProgramCache]: Analyzing trace with hash 417791151, now seen corresponding path program 1 times [2020-12-09 16:20:32,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:32,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317651638] [2020-12-09 16:20:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:33,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:20:33,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:20:33,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:20:33,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:20:33,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317651638] [2020-12-09 16:20:33,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [511970124] [2020-12-09 16:20:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:20:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:20:33,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:20:33,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:20:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:20:33,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597784250] [2020-12-09 16:20:33,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:20:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:20:33,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:20:33,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:20:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:20:33,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:20:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:20:33,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 16:20:33,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2020-12-09 16:20:33,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160122697] [2020-12-09 16:20:33,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 16:20:33,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:20:33,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 16:20:33,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:20:33,498 INFO L87 Difference]: Start difference. First operand 690 states and 934 transitions. Second operand 10 states. [2020-12-09 16:20:35,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:20:35,611 INFO L93 Difference]: Finished difference Result 3278 states and 4439 transitions. [2020-12-09 16:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-09 16:20:35,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2020-12-09 16:20:35,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:20:35,621 INFO L225 Difference]: With dead ends: 3278 [2020-12-09 16:20:35,621 INFO L226 Difference]: Without dead ends: 2771 [2020-12-09 16:20:35,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2020-12-09 16:20:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2020-12-09 16:20:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 849. [2020-12-09 16:20:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2020-12-09 16:20:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1171 transitions. [2020-12-09 16:20:35,688 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1171 transitions. Word has length 61 [2020-12-09 16:20:35,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:20:35,688 INFO L481 AbstractCegarLoop]: Abstraction has 849 states and 1171 transitions. [2020-12-09 16:20:35,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 16:20:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1171 transitions. [2020-12-09 16:20:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-09 16:20:35,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:20:35,689 INFO L422 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] [2020-12-09 16:20:36,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2020-12-09 16:20:36,292 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:20:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:20:36,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1375374740, now seen corresponding path program 2 times [2020-12-09 16:20:36,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:20:36,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903984571] [2020-12-09 16:20:36,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 16:20:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:20:36,822 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:20:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:20:37,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:20:38,038 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 16:20:38,038 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 16:20:38,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-12-09 16:20:38,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:20:38 BoogieIcfgContainer [2020-12-09 16:20:38,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:20:38,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:20:38,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:20:38,396 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:20:38,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:24" (3/4) ... [2020-12-09 16:20:38,398 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 16:20:38,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63c4455f-f5a3-43d5-b2d1-9aeef97119f7/bin/utaipan/witness.graphml [2020-12-09 16:20:38,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:20:38,523 INFO L168 Benchmark]: Toolchain (without parser) took 16702.09 ms. Allocated memory was 50.3 MB in the beginning and 111.1 MB in the end (delta: 60.8 MB). Free memory was 27.0 MB in the beginning and 37.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 64.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,523 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 33.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:20:38,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.40 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 42.0 MB in the end (delta: -15.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.47 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 31.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,524 INFO L168 Benchmark]: Boogie Preprocessor took 112.15 ms. Allocated memory is still 62.9 MB. Free memory was 31.2 MB in the beginning and 40.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,524 INFO L168 Benchmark]: RCFGBuilder took 2305.94 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 39.9 MB in the beginning and 41.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,524 INFO L168 Benchmark]: TraceAbstraction took 13561.63 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 40.9 MB in the beginning and 27.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,525 INFO L168 Benchmark]: Witness Printer took 126.28 ms. Allocated memory is still 111.1 MB. Free memory was 27.4 MB in the beginning and 37.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:20:38,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 33.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.40 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 42.0 MB in the end (delta: -15.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.47 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 31.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.15 ms. Allocated memory is still 62.9 MB. Free memory was 31.2 MB in the beginning and 40.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2305.94 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 39.9 MB in the beginning and 41.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13561.63 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 40.9 MB in the beginning and 27.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. * Witness Printer took 126.28 ms. Allocated memory is still 111.1 MB. Free memory was 27.4 MB in the beginning and 37.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 604]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L147] int __SELECTED_FEATURE_base ; [L148] int __SELECTED_FEATURE_highWaterSensor ; [L149] int __SELECTED_FEATURE_lowWaterSensor ; [L150] int __SELECTED_FEATURE_methaneQuery ; [L151] int __SELECTED_FEATURE_methaneAlarm ; [L152] int __SELECTED_FEATURE_stopCommand ; [L153] int __SELECTED_FEATURE_startCommand ; [L154] int __GUIDSL_ROOT_PRODUCTION ; [L192] int pumpRunning = 0; [L193] int systemActive = 1; [L778] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L975] int waterLevel = 1; [L976] 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] [L123] int retValue_acc ; [L124] int tmp ; [L1109] __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] [L1094] __SELECTED_FEATURE_base = 1 [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] 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] [L1095] __SELECTED_FEATURE_highWaterSensor = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1096] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1097] __SELECTED_FEATURE_methaneQuery = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1098] __SELECTED_FEATURE_methaneAlarm = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1099] __SELECTED_FEATURE_stopCommand = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1100] __SELECTED_FEATURE_startCommand = select_one() [L1114] int retValue_acc ; [L1117] retValue_acc = __SELECTED_FEATURE_base [L1118] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L993] COND TRUE waterLevel < 2 [L994] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L206] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] COND TRUE ! pumpRunning [L462] int retValue_acc ; [L463] int tmp ; [L464] int tmp___0 ; [L1055] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1058] COND FALSE !(waterLevel < 2) [L1062] retValue_acc = 0 [L1063] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L468] tmp = isHighWaterSensorDry() [L470] COND FALSE !(\read(tmp)) [L473] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L475] retValue_acc = tmp___0 [L476] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L233] tmp = isHighWaterLevel() [L235] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L384] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L359] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L533] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L535] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L199] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L981] COND TRUE waterLevel > 0 [L982] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L206] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L342] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L299] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L533] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L535] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L199] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L981] COND TRUE waterLevel > 0 [L982] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L206] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L342] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L299] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L163] tmp = getWaterLevel() [L165] COND TRUE tmp == 0 [L417] int retValue_acc ; [L420] retValue_acc = pumpRunning [L421] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L167] tmp___0 = isPumpRunning() [L169] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L604] reach_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=2147483648, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=10, __SELECTED_FEATURE_stopCommand=8, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4136 SDtfs, 7207 SDslu, 6568 SDs, 0 SdLazy, 1014 SolverSat, 227 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 794 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1037occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 3928 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 677 NumberOfCodeBlocks, 677 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 764 ConstructedInterpolants, 0 QuantifiedInterpolants, 144014 SizeOfPredicates, 21 NumberOfNonLiveVariables, 3192 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 101/173 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...