./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH --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 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:55:08,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:55:08,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:55:08,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:55:08,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:55:08,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:55:08,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:55:08,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:55:08,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:55:08,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:55:08,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:55:08,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:55:08,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:55:08,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:55:08,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:55:08,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:55:08,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:55:08,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:55:08,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:55:08,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:55:08,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:55:08,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:55:08,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:55:08,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:55:08,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:55:08,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:55:08,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:55:08,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:55:08,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:55:08,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:55:08,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:55:08,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:55:08,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:55:08,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:55:08,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:55:08,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:55:08,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:55:08,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:55:08,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:55:08,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:55:08,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:55:08,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:55:08,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:55:08,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:55:08,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:55:08,275 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:55:08,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:55:08,276 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:55:08,276 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:55:08,276 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:55:08,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:55:08,277 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:55:08,278 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:55:08,279 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:55:08,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:55:08,279 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:55:08,279 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:55:08,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:55:08,281 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:55:08,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:55:08,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:55:08,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:55:08,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:55:08,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:55:08,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:55:08,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:55:08,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:55:08,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:55:08,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:55:08,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:55:08,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:55:08,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:55:08,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:55:08,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:55:08,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:55:08,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:55:08,287 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:55:08,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:55:08,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:55:08,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:55:08,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:55:08,289 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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2021-11-03 04:55:08,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:55:08,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:55:08,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:55:08,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:55:08,641 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:55:08,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-11-03 04:55:08,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/644cee86f/a6d4e76235224b459758524d7ad3272a/FLAG8a876d8bb [2021-11-03 04:55:09,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:55:09,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-11-03 04:55:09,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/644cee86f/a6d4e76235224b459758524d7ad3272a/FLAG8a876d8bb [2021-11-03 04:55:09,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/644cee86f/a6d4e76235224b459758524d7ad3272a [2021-11-03 04:55:09,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:55:09,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:55:09,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:55:09,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:55:09,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:55:09,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:55:09" (1/1) ... [2021-11-03 04:55:09,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c965181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:09, skipping insertion in model container [2021-11-03 04:55:09,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:55:09" (1/1) ... [2021-11-03 04:55:09,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:55:09,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:55:10,054 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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2021-11-03 04:55:10,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:55:10,094 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) [2021-11-03 04:55:10,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4577428b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:10, skipping insertion in model container [2021-11-03 04:55:10,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:55:10,095 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:55:10,098 INFO L168 Benchmark]: Toolchain (without parser) took 534.35 ms. Allocated memory is still 98.6 MB. Free memory was 56.3 MB in the beginning and 69.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:10,100 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 73.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:55:10,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.49 ms. Allocated memory is still 98.6 MB. Free memory was 56.1 MB in the beginning and 70.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:10,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 73.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.49 ms. Allocated memory is still 98.6 MB. Free memory was 56.1 MB in the beginning and 70.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH --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 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:55:12,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:55:12,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:55:12,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:55:12,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:55:12,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:55:12,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:55:12,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:55:12,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:55:12,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:55:12,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:55:12,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:55:12,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:55:12,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:55:12,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:55:12,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:55:12,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:55:12,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:55:12,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:55:12,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:55:12,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:55:12,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:55:12,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:55:12,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:55:12,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:55:12,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:55:12,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:55:12,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:55:12,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:55:12,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:55:12,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:55:12,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:55:12,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:55:12,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:55:12,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:55:12,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:55:12,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:55:12,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:55:12,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:55:12,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:55:12,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:55:12,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:55:12,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:55:12,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:55:12,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:55:12,689 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:55:12,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:55:12,690 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:55:12,690 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:55:12,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:55:12,690 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:55:12,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:55:12,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:55:12,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:55:12,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:55:12,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:55:12,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:55:12,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:55:12,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:55:12,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:55:12,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:55:12,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:55:12,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:55:12,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:55:12,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:55:12,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:55:12,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:55:12,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:55:12,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:55:12,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:55:12,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:55:12,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:55:12,697 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:55:12,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:55:12,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:55:12,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:55:12,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:55:12,698 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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2021-11-03 04:55:13,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:55:13,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:55:13,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:55:13,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:55:13,111 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:55:13,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-11-03 04:55:13,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/aa863b52a/b7c1b2c0a21f43e2853481bfb113b69e/FLAG67d618664 [2021-11-03 04:55:13,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:55:13,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2021-11-03 04:55:13,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/aa863b52a/b7c1b2c0a21f43e2853481bfb113b69e/FLAG67d618664 [2021-11-03 04:55:14,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/data/aa863b52a/b7c1b2c0a21f43e2853481bfb113b69e [2021-11-03 04:55:14,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:55:14,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:55:14,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:55:14,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:55:14,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:55:14,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:14,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df2f09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14, skipping insertion in model container [2021-11-03 04:55:14,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:14,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:55:14,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:55:14,669 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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2021-11-03 04:55:14,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:55:14,718 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:55:14,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:55:14,840 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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2021-11-03 04:55:14,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:55:14,867 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:55:14,938 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_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2021-11-03 04:55:14,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:55:14,969 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:55:14,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14 WrapperNode [2021-11-03 04:55:14,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:55:14,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:55:14,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:55:14,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:55:14,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:55:15,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:55:15,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:55:15,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:55:15,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:55:15,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:55:15,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:55:15,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:55:15,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (1/1) ... [2021-11-03 04:55:15,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:55:15,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:55:15,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:55:15,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:55:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:55:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:55:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:55:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:55:18,811 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:55:18,811 INFO L299 CfgBuilder]: Removed 906 assume(true) statements. [2021-11-03 04:55:18,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:55:18 BoogieIcfgContainer [2021-11-03 04:55:18,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:55:18,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:55:18,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:55:18,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:55:18,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:55:14" (1/3) ... [2021-11-03 04:55:18,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3099c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:55:18, skipping insertion in model container [2021-11-03 04:55:18,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:14" (2/3) ... [2021-11-03 04:55:18,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3099c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:55:18, skipping insertion in model container [2021-11-03 04:55:18,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:55:18" (3/3) ... [2021-11-03 04:55:18,824 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2021-11-03 04:55:18,830 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:55:18,831 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-03 04:55:18,912 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:55:18,918 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:55:18,919 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-03 04:55:18,951 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) [2021-11-03 04:55:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:55:18,961 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:18,961 INFO L513 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] [2021-11-03 04:55:18,962 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:18,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:18,969 INFO L85 PathProgramCache]: Analyzing trace with hash 603642961, now seen corresponding path program 1 times [2021-11-03 04:55:18,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:55:18,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725686902] [2021-11-03 04:55:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:18,987 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:55:18,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:55:18,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:55:19,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:55:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:19,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:55:19,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:55:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:19,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:55:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:19,503 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:55:19,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725686902] [2021-11-03 04:55:19,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725686902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:19,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:19,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:55:19,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767162416] [2021-11-03 04:55:19,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:55:19,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:55:19,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:55:19,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:55:19,540 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) [2021-11-03 04:55:19,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:19,636 INFO L93 Difference]: Finished difference Result 939 states and 1472 transitions. [2021-11-03 04:55:19,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:55:19,638 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 [2021-11-03 04:55:19,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:19,666 INFO L225 Difference]: With dead ends: 939 [2021-11-03 04:55:19,666 INFO L226 Difference]: Without dead ends: 472 [2021-11-03 04:55:19,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:55:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-11-03 04:55:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2021-11-03 04:55:19,784 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) [2021-11-03 04:55:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 731 transitions. [2021-11-03 04:55:19,789 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 731 transitions. Word has length 25 [2021-11-03 04:55:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:19,790 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 731 transitions. [2021-11-03 04:55:19,791 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) [2021-11-03 04:55:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 731 transitions. [2021-11-03 04:55:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 04:55:19,795 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:19,795 INFO L513 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] [2021-11-03 04:55:19,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:55:20,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:55:20,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:20,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1179320613, now seen corresponding path program 1 times [2021-11-03 04:55:20,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:55:20,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620151991] [2021-11-03 04:55:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:20,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:55:20,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:55:20,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:55:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:55:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:20,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:55:20,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:55:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:20,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:55:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:20,472 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:55:20,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620151991] [2021-11-03 04:55:20,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620151991] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:20,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:20,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:55:20,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248844926] [2021-11-03 04:55:20,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:55:20,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:55:20,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:55:20,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:55:20,486 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) [2021-11-03 04:55:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:20,525 INFO L93 Difference]: Finished difference Result 472 states and 731 transitions. [2021-11-03 04:55:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:55:20,526 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 [2021-11-03 04:55:20,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:20,528 INFO L225 Difference]: With dead ends: 472 [2021-11-03 04:55:20,528 INFO L226 Difference]: Without dead ends: 174 [2021-11-03 04:55:20,530 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:55:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-03 04:55:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-11-03 04:55:20,551 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) [2021-11-03 04:55:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2021-11-03 04:55:20,552 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2021-11-03 04:55:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:20,553 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2021-11-03 04:55:20,554 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) [2021-11-03 04:55:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2021-11-03 04:55:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 04:55:20,560 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:20,565 INFO L513 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] [2021-11-03 04:55:20,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:55:20,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:55:20,782 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:20,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:20,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1733739639, now seen corresponding path program 1 times [2021-11-03 04:55:20,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:55:20,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235059752] [2021-11-03 04:55:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:20,785 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:55:20,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:55:20,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:55:20,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:55:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:21,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:55:21,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:55:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:21,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:55:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:21,328 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:55:21,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235059752] [2021-11-03 04:55:21,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235059752] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:21,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:21,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 04:55:21,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860451049] [2021-11-03 04:55:21,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:55:21,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:55:21,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:55:21,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:55:21,331 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) [2021-11-03 04:55:21,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:21,373 INFO L93 Difference]: Finished difference Result 523 states and 813 transitions. [2021-11-03 04:55:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:55:21,373 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 [2021-11-03 04:55:21,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:21,386 INFO L225 Difference]: With dead ends: 523 [2021-11-03 04:55:21,386 INFO L226 Difference]: Without dead ends: 362 [2021-11-03 04:55:21,387 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:55:21,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-03 04:55:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 197. [2021-11-03 04:55:21,404 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) [2021-11-03 04:55:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 302 transitions. [2021-11-03 04:55:21,405 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 302 transitions. Word has length 32 [2021-11-03 04:55:21,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:21,406 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 302 transitions. [2021-11-03 04:55:21,406 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) [2021-11-03 04:55:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 302 transitions. [2021-11-03 04:55:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 04:55:21,408 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:21,409 INFO L513 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] [2021-11-03 04:55:21,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:55:21,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:55:21,623 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:21,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:21,624 INFO L85 PathProgramCache]: Analyzing trace with hash -614678817, now seen corresponding path program 1 times [2021-11-03 04:55:21,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:55:21,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393867538] [2021-11-03 04:55:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:21,625 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:55:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:55:21,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:55:21,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:55:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:21,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:55:21,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:55:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:22,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:55:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:22,240 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:55:22,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393867538] [2021-11-03 04:55:22,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393867538] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:22,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:22,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:55:22,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486139689] [2021-11-03 04:55:22,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:55:22,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:55:22,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:55:22,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:55:22,244 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) [2021-11-03 04:55:22,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:22,354 INFO L93 Difference]: Finished difference Result 394 states and 612 transitions. [2021-11-03 04:55:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:55:22,355 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 [2021-11-03 04:55:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:22,358 INFO L225 Difference]: With dead ends: 394 [2021-11-03 04:55:22,358 INFO L226 Difference]: Without dead ends: 210 [2021-11-03 04:55:22,359 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:55:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-11-03 04:55:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2021-11-03 04:55:22,375 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) [2021-11-03 04:55:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 311 transitions. [2021-11-03 04:55:22,376 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 311 transitions. Word has length 35 [2021-11-03 04:55:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:22,377 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 311 transitions. [2021-11-03 04:55:22,377 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) [2021-11-03 04:55:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2021-11-03 04:55:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 04:55:22,381 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:22,381 INFO L513 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] [2021-11-03 04:55:22,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:55:22,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:55:22,596 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:22,597 INFO L85 PathProgramCache]: Analyzing trace with hash -227430660, now seen corresponding path program 1 times [2021-11-03 04:55:22,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:55:22,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505305261] [2021-11-03 04:55:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:22,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:55:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:55:22,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:55:22,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:55:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:22,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:55:22,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:55:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:23,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:55:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:23,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:55:23,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505305261] [2021-11-03 04:55:23,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505305261] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:23,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:23,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-03 04:55:23,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739803921] [2021-11-03 04:55:23,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:55:23,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:55:23,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:55:23,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:55:23,284 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) [2021-11-03 04:55:24,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:24,132 INFO L93 Difference]: Finished difference Result 2557 states and 3926 transitions. [2021-11-03 04:55:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-03 04:55:24,133 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 [2021-11-03 04:55:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:24,149 INFO L225 Difference]: With dead ends: 2557 [2021-11-03 04:55:24,149 INFO L226 Difference]: Without dead ends: 2362 [2021-11-03 04:55:24,151 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-03 04:55:24,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-11-03 04:55:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 511. [2021-11-03 04:55:24,227 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) [2021-11-03 04:55:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 761 transitions. [2021-11-03 04:55:24,229 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 761 transitions. Word has length 35 [2021-11-03 04:55:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:24,230 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 761 transitions. [2021-11-03 04:55:24,230 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) [2021-11-03 04:55:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 761 transitions. [2021-11-03 04:55:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 04:55:24,231 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:24,231 INFO L513 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] [2021-11-03 04:55:24,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:55:24,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:55:24,444 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:24,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:24,444 INFO L85 PathProgramCache]: Analyzing trace with hash 223425023, now seen corresponding path program 1 times [2021-11-03 04:55:24,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:55:24,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661745464] [2021-11-03 04:55:24,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:24,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:55:24,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:55:24,446 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:55:24,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:55:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:55:26,520 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 04:55:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:55:27,872 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-03 04:55:27,873 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 04:55:27,874 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:55:27,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:55:27,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:55:27,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:55:28,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:55:28,101 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-03 04:55:28,104 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:55:28,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:55:28 BoogieIcfgContainer [2021-11-03 04:55:28,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:55:28,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:55:28,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:55:28,262 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:55:28,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:55:18" (3/4) ... [2021-11-03 04:55:28,264 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-03 04:55:28,420 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:55:28,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:55:28,421 INFO L168 Benchmark]: Toolchain (without parser) took 14232.19 ms. Allocated memory was 83.9 MB in the beginning and 151.0 MB in the end (delta: 67.1 MB). Free memory was 66.8 MB in the beginning and 113.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 99.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,422 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory is still 63.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:55:28,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.26 ms. Allocated memory is still 83.9 MB. Free memory was 66.6 MB in the beginning and 49.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.53 ms. Allocated memory is still 83.9 MB. Free memory was 49.3 MB in the beginning and 61.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,423 INFO L168 Benchmark]: Boogie Preprocessor took 162.37 ms. Allocated memory is still 83.9 MB. Free memory was 61.7 MB in the beginning and 54.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,424 INFO L168 Benchmark]: RCFGBuilder took 3500.82 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 54.3 MB in the beginning and 52.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,424 INFO L168 Benchmark]: TraceAbstraction took 9436.18 ms. Allocated memory was 115.3 MB in the beginning and 151.0 MB in the end (delta: 35.7 MB). Free memory was 52.3 MB in the beginning and 49.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,425 INFO L168 Benchmark]: Witness Printer took 166.20 ms. Allocated memory is still 151.0 MB. Free memory was 49.1 MB in the beginning and 113.5 MB in the end (delta: -64.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:55:28,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory is still 63.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 780.26 ms. Allocated memory is still 83.9 MB. Free memory was 66.6 MB in the beginning and 49.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 179.53 ms. Allocated memory is still 83.9 MB. Free memory was 49.3 MB in the beginning and 61.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 162.37 ms. Allocated memory is still 83.9 MB. Free memory was 61.7 MB in the beginning and 54.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3500.82 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 54.3 MB in the beginning and 52.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9436.18 ms. Allocated memory was 115.3 MB in the beginning and 151.0 MB in the end (delta: 35.7 MB). Free memory was 52.3 MB in the beginning and 49.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * Witness Printer took 166.20 ms. Allocated memory is still 151.0 MB. Free memory was 49.1 MB in the beginning and 113.5 MB in the end (delta: -64.4 MB). Peak memory consumption was 15.3 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1032]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] 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] [L497] int retValue_acc ; [L498] int tmp ; [L978] __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] [L963] __SELECTED_FEATURE_base = 1 [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] 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] [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] 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] [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] 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] [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] 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] [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] 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] [L968] __SELECTED_FEATURE_stopCommand = select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] 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] [L969] __SELECTED_FEATURE_startCommand = select_one() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] 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] [L504] tmp = valid_product() [L506] 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] [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] 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] [L540] 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] [L542] 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] [L548] tmp = __VERIFIER_nondet_int() [L550] 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] [L1055] COND TRUE waterLevel < 2 [L1056] 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] [L558] tmp___0 = __VERIFIER_nondet_int() [L560] 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] [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] 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] [L583] 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] [L927] 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] [L934] 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] [L623] 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] [L630] 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] [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] 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] [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] 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] [L1007] tmp___0 = getWaterLevel() [L1009] COND TRUE tmp___0 == 2 [L841] int retValue_acc ; [L844] retValue_acc = pumpRunning [L845] 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] [L1011] tmp___1 = isPumpRunning() [L1013] 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] [L1032] 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: 1032]: 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: 1032]: 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: 9.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1916 SDtfs, 3982 SDslu, 3624 SDs, 0 SdLazy, 430 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 2018 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 1.5s 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! [2021-11-03 04:55:28,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ba2bf0-e162-4509-b517-d7ff5bd2e01c/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE