./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8 --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 a799124555890ca53ef8c243a58e7f790fa6b6f5 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8 --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 a799124555890ca53ef8c243a58e7f790fa6b6f5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:04:14,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:04:14,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:04:14,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:04:14,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:04:14,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:04:14,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:04:14,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:04:14,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:04:14,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:04:14,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:04:14,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:04:14,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:04:14,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:04:14,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:04:14,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:04:14,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:04:14,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:04:14,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:04:14,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:04:14,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:04:14,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:04:14,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:04:14,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:04:14,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:04:14,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:04:14,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:04:14,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:04:14,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:04:14,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:04:14,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:04:14,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:04:14,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:04:14,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:04:14,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:04:14,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:04:14,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:04:14,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:04:14,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:04:14,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:04:14,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:04:14,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:04:14,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:04:14,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:04:14,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:04:14,626 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:04:14,627 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:04:14,627 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:04:14,627 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:04:14,628 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:04:14,628 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:04:14,629 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:04:14,629 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:04:14,629 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:04:14,630 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:04:14,630 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:04:14,631 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:04:14,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:04:14,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:04:14,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:04:14,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:04:14,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:04:14,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:04:14,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:04:14,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:04:14,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:04:14,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:04:14,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:04:14,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:04:14,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:04:14,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:04:14,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:04:14,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:04:14,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:04:14,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:04:14,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:04:14,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:04:14,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:04:14,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:04:14,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:04:14,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:04:14,642 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a799124555890ca53ef8c243a58e7f790fa6b6f5 [2021-10-13 08:04:14,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:04:14,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:04:14,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:04:15,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:04:15,002 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:04:15,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-10-13 08:04:15,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/9147837c6/10579d507c07481d845810e4911295a9/FLAG02d6d2846 [2021-10-13 08:04:15,686 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:04:15,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-10-13 08:04:15,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/9147837c6/10579d507c07481d845810e4911295a9/FLAG02d6d2846 [2021-10-13 08:04:15,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/9147837c6/10579d507c07481d845810e4911295a9 [2021-10-13 08:04:15,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:04:15,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:04:15,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:15,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:04:15,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:04:15,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:15" (1/1) ... [2021-10-13 08:04:15,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6653fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:15, skipping insertion in model container [2021-10-13 08:04:15,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:15" (1/1) ... [2021-10-13 08:04:15,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:04:16,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:04:16,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[19705,19718] [2021-10-13 08:04:16,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:16,459 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 08:04:16,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ea7ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:16, skipping insertion in model container [2021-10-13 08:04:16,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:16,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:04:16,463 INFO L168 Benchmark]: Toolchain (without parser) took 513.54 ms. Allocated memory is still 119.5 MB. Free memory was 79.9 MB in the beginning and 91.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:16,464 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 119.5 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:04:16,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.63 ms. Allocated memory is still 119.5 MB. Free memory was 79.7 MB in the beginning and 91.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:16,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 119.5 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.63 ms. Allocated memory is still 119.5 MB. Free memory was 79.7 MB in the beginning and 91.4 MB in the end (delta: -11.7 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: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:04:19,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:04:19,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:04:19,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:04:19,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:04:19,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:04:19,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:04:19,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:04:19,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:04:19,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:04:19,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:04:19,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:04:19,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:04:19,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:04:19,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:04:19,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:04:19,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:04:19,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:04:19,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:04:19,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:04:19,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:04:19,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:04:19,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:04:19,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:04:19,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:04:19,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:04:19,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:04:19,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:04:19,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:04:19,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:04:19,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:04:19,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:04:19,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:04:19,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:04:19,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:04:19,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:04:19,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:04:19,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:04:19,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:04:19,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:04:19,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:04:19,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:04:19,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:04:19,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:04:19,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:04:19,215 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:04:19,215 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:04:19,215 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:04:19,215 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:04:19,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:04:19,216 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:04:19,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:04:19,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:04:19,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:04:19,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:04:19,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:04:19,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:04:19,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:04:19,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:04:19,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:04:19,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:04:19,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:04:19,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:04:19,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:04:19,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:04:19,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:04:19,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:04:19,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:04:19,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:04:19,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:04:19,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:04:19,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:04:19,222 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:04:19,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:04:19,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:04:19,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:04:19,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:04:19,223 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a799124555890ca53ef8c243a58e7f790fa6b6f5 [2021-10-13 08:04:19,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:04:19,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:04:19,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:04:19,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:04:19,625 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:04:19,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-10-13 08:04:19,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/7fe6cbe61/2b441d7a491f472aad94a972034f40df/FLAG84f41ee66 [2021-10-13 08:04:20,294 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:04:20,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-10-13 08:04:20,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/7fe6cbe61/2b441d7a491f472aad94a972034f40df/FLAG84f41ee66 [2021-10-13 08:04:20,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/data/7fe6cbe61/2b441d7a491f472aad94a972034f40df [2021-10-13 08:04:20,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:04:20,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:04:20,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:20,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:04:20,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:04:20,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:20" (1/1) ... [2021-10-13 08:04:20,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39572f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:20, skipping insertion in model container [2021-10-13 08:04:20,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:20" (1/1) ... [2021-10-13 08:04:20,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:04:20,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:04:21,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[19705,19718] [2021-10-13 08:04:21,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:21,120 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:04:21,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:04:21,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[19705,19718] [2021-10-13 08:04:21,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:21,209 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:04:21,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[19705,19718] [2021-10-13 08:04:21,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:21,296 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:04:21,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21 WrapperNode [2021-10-13 08:04:21,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:21,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:04:21,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:04:21,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:04:21,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:04:21,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:04:21,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:04:21,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:04:21,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:04:21,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:04:21,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:04:21,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:04:21,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (1/1) ... [2021-10-13 08:04:21,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:04:21,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:04:21,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:04:21,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:04:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:04:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:04:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:04:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:04:25,480 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:04:25,481 INFO L299 CfgBuilder]: Removed 906 assume(true) statements. [2021-10-13 08:04:25,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:25 BoogieIcfgContainer [2021-10-13 08:04:25,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:04:25,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:04:25,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:04:25,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:04:25,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:04:20" (1/3) ... [2021-10-13 08:04:25,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b74f91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:25, skipping insertion in model container [2021-10-13 08:04:25,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:21" (2/3) ... [2021-10-13 08:04:25,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b74f91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:04:25, skipping insertion in model container [2021-10-13 08:04:25,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:25" (3/3) ... [2021-10-13 08:04:25,499 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2021-10-13 08:04:25,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:04:25,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 08:04:25,590 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:04:25,596 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:04:25,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 08:04:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 476 states, 472 states have (on average 1.5741525423728813) internal successors, (743), 475 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 08:04:25,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:04:25,641 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:04:25,641 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:04:25,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:04:25,649 INFO L82 PathProgramCache]: Analyzing trace with hash 603642961, now seen corresponding path program 1 times [2021-10-13 08:04:25,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:04:25,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664822788] [2021-10-13 08:04:25,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:04:25,668 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:04:25,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:04:25,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:04:25,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:04:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:04:25,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 08:04:25,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:04:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:26,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:04:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:26,206 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:04:26,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664822788] [2021-10-13 08:04:26,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664822788] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:04:26,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:04:26,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:04:26,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957580184] [2021-10-13 08:04:26,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:04:26,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:04:26,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:04:26,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:04:26,243 INFO L87 Difference]: Start difference. First operand has 476 states, 472 states have (on average 1.5741525423728813) internal successors, (743), 475 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:04:26,370 INFO L93 Difference]: Finished difference Result 939 states and 1472 transitions. [2021-10-13 08:04:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:04:26,372 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 08:04:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:04:26,404 INFO L225 Difference]: With dead ends: 939 [2021-10-13 08:04:26,405 INFO L226 Difference]: Without dead ends: 472 [2021-10-13 08:04:26,416 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:04:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-10-13 08:04:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2021-10-13 08:04:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 469 states have (on average 1.55863539445629) internal successors, (731), 471 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2021-10-13 08:04:26,552 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2021-10-13 08:04:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:04:26,552 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2021-10-13 08:04:26,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2021-10-13 08:04:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 08:04:26,555 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:04:26,555 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:04:26,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:04:26,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:04:26,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:04:26,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:04:26,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1179320613, now seen corresponding path program 1 times [2021-10-13 08:04:26,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:04:26,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982376760] [2021-10-13 08:04:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:04:26,778 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:04:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:04:26,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:04:26,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:04:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:04:27,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:04:27,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:04:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:27,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:04:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:27,356 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:04:27,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982376760] [2021-10-13 08:04:27,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982376760] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:04:27,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:04:27,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:04:27,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47044067] [2021-10-13 08:04:27,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:04:27,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:04:27,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:04:27,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:04:27,362 INFO L87 Difference]: Start difference. First operand 472 states and 731 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:27,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:04:27,391 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2021-10-13 08:04:27,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:04:27,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 08:04:27,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:04:27,394 INFO L225 Difference]: With dead ends: 472 [2021-10-13 08:04:27,394 INFO L226 Difference]: Without dead ends: 174 [2021-10-13 08:04:27,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:04:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-10-13 08:04:27,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-10-13 08:04:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.5375722543352601) internal successors, (266), 173 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2021-10-13 08:04:27,407 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2021-10-13 08:04:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:04:27,408 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2021-10-13 08:04:27,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2021-10-13 08:04:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 08:04:27,411 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:04:27,411 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:04:27,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:04:27,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:04:27,631 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:04:27,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:04:27,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2021-10-13 08:04:27,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:04:27,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050939502] [2021-10-13 08:04:27,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:04:27,634 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:04:27,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:04:27,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:04:27,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:04:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:04:27,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:04:27,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:04:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:28,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:04:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:28,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:04:28,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050939502] [2021-10-13 08:04:28,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050939502] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:04:28,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:04:28,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 08:04:28,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908181305] [2021-10-13 08:04:28,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:04:28,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:04:28,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:04:28,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:04:28,252 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:28,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:04:28,316 INFO L93 Difference]: Finished difference Result 523 states and 813 transitions. [2021-10-13 08:04:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:04:28,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 08:04:28,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:04:28,321 INFO L225 Difference]: With dead ends: 523 [2021-10-13 08:04:28,321 INFO L226 Difference]: Without dead ends: 362 [2021-10-13 08:04:28,322 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:04:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-10-13 08:04:28,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 197. [2021-10-13 08:04:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.5408163265306123) internal successors, (302), 196 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2021-10-13 08:04:28,352 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 32 [2021-10-13 08:04:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:04:28,352 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2021-10-13 08:04:28,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2021-10-13 08:04:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 08:04:28,363 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:04:28,363 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:04:28,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:04:28,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:04:28,581 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:04:28,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:04:28,582 INFO L82 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2021-10-13 08:04:28,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:04:28,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648416536] [2021-10-13 08:04:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:04:28,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:04:28,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:04:28,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:04:28,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:04:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:04:28,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:04:28,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:04:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:29,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:04:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:29,210 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:04:29,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648416536] [2021-10-13 08:04:29,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648416536] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:04:29,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:04:29,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:04:29,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112241597] [2021-10-13 08:04:29,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:04:29,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:04:29,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:04:29,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:04:29,215 INFO L87 Difference]: Start difference. First operand 197 states and 302 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:29,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:04:29,343 INFO L93 Difference]: Finished difference Result 394 states and 612 transitions. [2021-10-13 08:04:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:04:29,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 08:04:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:04:29,347 INFO L225 Difference]: With dead ends: 394 [2021-10-13 08:04:29,347 INFO L226 Difference]: Without dead ends: 210 [2021-10-13 08:04:29,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:04:29,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-13 08:04:29,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2021-10-13 08:04:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.502415458937198) internal successors, (311), 207 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2021-10-13 08:04:29,365 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 35 [2021-10-13 08:04:29,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:04:29,366 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2021-10-13 08:04:29,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2021-10-13 08:04:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 08:04:29,374 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:04:29,375 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:04:29,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:04:29,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:04:29,587 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:04:29,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:04:29,588 INFO L82 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2021-10-13 08:04:29,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:04:29,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513219445] [2021-10-13 08:04:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:04:29,590 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:04:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:04:29,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:04:29,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:04:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:04:29,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:04:29,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:04:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:30,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:04:30,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:04:30,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:04:30,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513219445] [2021-10-13 08:04:30,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513219445] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:04:30,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:04:30,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 08:04:30,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917838326] [2021-10-13 08:04:30,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:04:30,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:04:30,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:04:30,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:04:30,249 INFO L87 Difference]: Start difference. First operand 208 states and 311 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:31,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:04:31,212 INFO L93 Difference]: Finished difference Result 2557 states and 3926 transitions. [2021-10-13 08:04:31,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 08:04:31,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 08:04:31,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:04:31,230 INFO L225 Difference]: With dead ends: 2557 [2021-10-13 08:04:31,230 INFO L226 Difference]: Without dead ends: 2362 [2021-10-13 08:04:31,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 151.4ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-13 08:04:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-10-13 08:04:31,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 511. [2021-10-13 08:04:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 510 states have (on average 1.492156862745098) internal successors, (761), 510 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 761 transitions. [2021-10-13 08:04:31,317 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 761 transitions. Word has length 35 [2021-10-13 08:04:31,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:04:31,318 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 761 transitions. [2021-10-13 08:04:31,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:04:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 761 transitions. [2021-10-13 08:04:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 08:04:31,319 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:04:31,319 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:04:31,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 08:04:31,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:04:31,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:04:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:04:31,539 INFO L82 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2021-10-13 08:04:31,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:04:31,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198659929] [2021-10-13 08:04:31,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:04:31,541 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:04:31,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:04:31,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:04:31,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 08:04:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:04:33,643 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 08:04:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:04:35,355 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 08:04:35,355 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 08:04:35,357 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:04:35,359 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:04:35,359 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:04:35,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-13 08:04:35,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:04:35,590 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:04:35,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:04:35 BoogieIcfgContainer [2021-10-13 08:04:35,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:04:35,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:04:35,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:04:35,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:04:35,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:04:25" (3/4) ... [2021-10-13 08:04:35,842 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 08:04:36,035 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:04:36,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:04:36,038 INFO L168 Benchmark]: Toolchain (without parser) took 15416.02 ms. Allocated memory was 77.6 MB in the beginning and 132.1 MB in the end (delta: 54.5 MB). Free memory was 41.2 MB in the beginning and 75.2 MB in the end (delta: -34.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,039 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 77.6 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:04:36,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.90 ms. Allocated memory is still 77.6 MB. Free memory was 62.8 MB in the beginning and 44.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.34 ms. Allocated memory is still 77.6 MB. Free memory was 44.4 MB in the beginning and 56.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,040 INFO L168 Benchmark]: Boogie Preprocessor took 104.08 ms. Allocated memory is still 77.6 MB. Free memory was 56.7 MB in the beginning and 49.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,041 INFO L168 Benchmark]: RCFGBuilder took 3935.33 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 49.1 MB in the beginning and 77.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,042 INFO L168 Benchmark]: TraceAbstraction took 10350.55 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 76.5 MB in the beginning and 94.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,042 INFO L168 Benchmark]: Witness Printer took 197.86 ms. Allocated memory is still 132.1 MB. Free memory was 94.0 MB in the beginning and 75.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:36,045 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 77.6 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.90 ms. Allocated memory is still 77.6 MB. Free memory was 62.8 MB in the beginning and 44.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.34 ms. Allocated memory is still 77.6 MB. Free memory was 44.4 MB in the beginning and 56.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.08 ms. Allocated memory is still 77.6 MB. Free memory was 56.7 MB in the beginning and 49.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3935.33 ms. Allocated memory was 77.6 MB in the beginning and 107.0 MB in the end (delta: 29.4 MB). Free memory was 49.1 MB in the beginning and 77.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10350.55 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 76.5 MB in the beginning and 94.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. * Witness Printer took 197.86 ms. Allocated memory is still 132.1 MB. Free memory was 94.0 MB in the beginning and 75.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1024]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L512] int __SELECTED_FEATURE_base ; [L513] int __SELECTED_FEATURE_highWaterSensor ; [L514] int __SELECTED_FEATURE_lowWaterSensor ; [L515] int __SELECTED_FEATURE_methaneQuery ; [L516] int __SELECTED_FEATURE_methaneAlarm ; [L517] int __SELECTED_FEATURE_stopCommand ; [L518] int __SELECTED_FEATURE_startCommand ; [L519] int __GUIDSL_ROOT_PRODUCTION ; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L1029] int waterLevel = 1; [L1030] 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] [L489] int retValue_acc ; [L490] int tmp ; [L970] __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] [L955] __SELECTED_FEATURE_base = 1 [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] 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] [L956] __SELECTED_FEATURE_highWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __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] [L957] __SELECTED_FEATURE_lowWaterSensor = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __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] [L958] __SELECTED_FEATURE_methaneQuery = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L959] __SELECTED_FEATURE_methaneAlarm = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L960] __SELECTED_FEATURE_stopCommand = select_one() [L941] int retValue_acc ; [L942] int choice = __VERIFIER_nondet_int(); [L945] retValue_acc = choice [L946] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] __SELECTED_FEATURE_startCommand = select_one() [L975] int retValue_acc ; [L978] retValue_acc = __SELECTED_FEATURE_base [L979] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L540] tmp = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1047] COND TRUE waterLevel < 2 [L1048] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L575] COND TRUE \read(__SELECTED_FEATURE_stopCommand) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L926] systemActive = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L615] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L622] COND FALSE !(\read(systemActive)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L987] int tmp ; [L988] int tmp___0 ; [L989] int tmp___1 ; [L1068] int retValue_acc ; [L1071] retValue_acc = methaneLevelCritical [L1072] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L993] tmp = isMethaneLevelCritical() [L995] COND FALSE !(\read(tmp)) [L1100] int retValue_acc ; [L1103] retValue_acc = waterLevel [L1104] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L999] tmp___0 = getWaterLevel() [L1001] COND TRUE tmp___0 == 2 [L833] int retValue_acc ; [L836] retValue_acc = pumpRunning [L837] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1003] tmp___1 = isPumpRunning() [L1005] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1024] reach_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=8, __SELECTED_FEATURE_lowWaterSensor=10, __SELECTED_FEATURE_methaneAlarm=14, __SELECTED_FEATURE_methaneQuery=11, __SELECTED_FEATURE_startCommand=15, __SELECTED_FEATURE_stopCommand=2151677952, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 1024]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1024]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 476 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9999.0ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 39.4ms, AutomataDifference: 1422.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1916 SDtfs, 3982 SDslu, 3624 SDs, 0 SdLazy, 430 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 523.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 177.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 259.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 2018 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 180.2ms SsaConstructionTime, 2725.9ms SatisfiabilityAnalysisTime, 1554.5ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1137 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-13 08:04:36,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d1c00f-3ba4-4d87-bf5d-90c9922e09a3/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...