./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI --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 e293e64b1cdccf6f7dd8e0ea93ea165f8311c2d3 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI --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 e293e64b1cdccf6f7dd8e0ea93ea165f8311c2d3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:15,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:15,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:15,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:15,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:15,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:15,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:15,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:15,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:15,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:15,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:15,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:15,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:15,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:15,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:15,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:15,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:15,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:15,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:15,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:15,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:15,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:15,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:15,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:15,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:15,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:15,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:15,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:15,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:15,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:15,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:15,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:15,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:15,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:15,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:15,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:15,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:15,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:15,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:15,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:15,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:15,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:15,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:15,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:15,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:15,446 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:15,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:15,447 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:15,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:15,447 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:15,454 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:15,454 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:15,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:15,456 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:15,456 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:15,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:15,456 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:15,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:15,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:15,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:15,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:15,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:15,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:15,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:15,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:15,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:15,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:15,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:15,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:15,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:15,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:15,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:15,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:15,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:15,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:15,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:15,464 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:15,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:15,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:15,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:15,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:15,465 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_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e293e64b1cdccf6f7dd8e0ea93ea165f8311c2d3 [2021-10-11 02:30:15,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:15,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:15,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:15,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:15,777 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:15,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-11 02:30:15,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/a5951f303/ec530e733b2a4c119361c48bb293cca7/FLAG95dd5ee74 [2021-10-11 02:30:16,369 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:16,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-11 02:30:16,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/a5951f303/ec530e733b2a4c119361c48bb293cca7/FLAG95dd5ee74 [2021-10-11 02:30:16,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/a5951f303/ec530e733b2a4c119361c48bb293cca7 [2021-10-11 02:30:16,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:16,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:16,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:16,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:16,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:16,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7c2c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16, skipping insertion in model container [2021-10-11 02:30:16,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:16,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:17,062 WARN L226 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_45bacc9a-0245-430b-9615-cdb434fa93ae/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[16852,16865] [2021-10-11 02:30:17,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:17,078 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:17,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10e9f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17, skipping insertion in model container [2021-10-11 02:30:17,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:17,080 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:17,082 INFO L168 Benchmark]: Toolchain (without parser) took 384.10 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 67.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,083 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:17,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.94 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 67.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.94 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 67.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 315]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:19,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:19,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:19,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:19,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:19,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:19,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:19,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:19,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:19,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:19,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:19,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:19,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:19,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:19,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:19,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:19,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:19,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:19,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:19,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:19,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:19,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:19,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:19,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:19,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:19,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:19,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:19,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:19,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:19,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:19,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:19,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:19,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:19,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:19,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:19,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:19,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:19,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:19,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:19,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:19,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:19,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:19,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:19,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:19,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:19,497 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:19,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:19,497 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:19,497 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:19,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:19,498 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:19,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:19,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:19,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:19,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:19,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:19,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:19,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:19,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:19,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:19,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:19,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:19,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:19,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:19,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:19,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:19,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:19,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:19,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:19,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:19,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:19,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:19,505 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:19,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:19,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:19,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:19,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:19,506 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_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e293e64b1cdccf6f7dd8e0ea93ea165f8311c2d3 [2021-10-11 02:30:19,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:19,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:19,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:19,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:19,962 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:19,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-11 02:30:20,054 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/19a8560d0/d532daa387394bb09d317dca57b6939c/FLAG66b9ee749 [2021-10-11 02:30:20,603 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:20,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2021-10-11 02:30:20,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/19a8560d0/d532daa387394bb09d317dca57b6939c/FLAG66b9ee749 [2021-10-11 02:30:20,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/data/19a8560d0/d532daa387394bb09d317dca57b6939c [2021-10-11 02:30:20,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:20,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:20,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:20,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:20,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:20,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:20" (1/1) ... [2021-10-11 02:30:20,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550caf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:20, skipping insertion in model container [2021-10-11 02:30:20,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:20" (1/1) ... [2021-10-11 02:30:20,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:21,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:21,462 WARN L226 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_45bacc9a-0245-430b-9615-cdb434fa93ae/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[16852,16865] [2021-10-11 02:30:21,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:21,495 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:21,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:21,576 WARN L226 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_45bacc9a-0245-430b-9615-cdb434fa93ae/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[16852,16865] [2021-10-11 02:30:21,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:21,588 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:21,651 WARN L226 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_45bacc9a-0245-430b-9615-cdb434fa93ae/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c[16852,16865] [2021-10-11 02:30:21,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:21,691 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:21,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21 WrapperNode [2021-10-11 02:30:21,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:21,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:21,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:21,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:21,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:21,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:21,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:21,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:21,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... [2021-10-11 02:30:21,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:21,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:21,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:21,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:21,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:24,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:24,287 INFO L299 CfgBuilder]: Removed 106 assume(true) statements. [2021-10-11 02:30:24,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:24 BoogieIcfgContainer [2021-10-11 02:30:24,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:24,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:24,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:24,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:24,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:20" (1/3) ... [2021-10-11 02:30:24,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4f1642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:24, skipping insertion in model container [2021-10-11 02:30:24,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:21" (2/3) ... [2021-10-11 02:30:24,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4f1642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:24, skipping insertion in model container [2021-10-11 02:30:24,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:24" (3/3) ... [2021-10-11 02:30:24,314 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2021-10-11 02:30:24,334 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:24,336 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:24,345 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:24,372 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:24,372 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:24,372 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:24,373 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:24,373 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:24,373 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:24,373 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:24,373 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 02:30:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:24,392 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:24,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:24,393 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:24,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:24,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2021-10-11 02:30:24,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:24,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781117991] [2021-10-11 02:30:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:24,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:24,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:24,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:24,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781117991] [2021-10-11 02:30:24,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:24,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:24,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916723812] [2021-10-11 02:30:24,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:24,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:24,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:24,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:24,736 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 02:30:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:24,784 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 02:30:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:24,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:24,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:24,804 INFO L225 Difference]: With dead ends: 148 [2021-10-11 02:30:24,805 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:30:24,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:30:24,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:30:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:30:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 02:30:24,858 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-11 02:30:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:24,858 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 02:30:24,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 02:30:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:24,860 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:24,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:25,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:25,074 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:25,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:25,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2021-10-11 02:30:25,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:25,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972645083] [2021-10-11 02:30:25,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:25,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:25,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:25,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:25,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972645083] [2021-10-11 02:30:25,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:25,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:25,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559713273] [2021-10-11 02:30:25,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:25,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:25,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:25,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:25,371 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 02:30:25,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:25,381 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 02:30:25,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:25,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:25,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:25,383 INFO L225 Difference]: With dead ends: 73 [2021-10-11 02:30:25,383 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:30:25,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:30:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:30:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:30:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:30:25,389 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:30:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:25,390 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:30:25,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:30:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:25,391 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:25,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:25,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:25,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:25,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:25,608 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2021-10-11 02:30:25,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:25,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955560334] [2021-10-11 02:30:25,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:25,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:25,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:25,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:25,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955560334] [2021-10-11 02:30:25,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:25,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:25,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892118887] [2021-10-11 02:30:25,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:25,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:25,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:25,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:25,855 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:30:25,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:25,873 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-11 02:30:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:25,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:25,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:25,875 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:30:25,876 INFO L226 Difference]: Without dead ends: 64 [2021-10-11 02:30:25,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:25,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-11 02:30:25,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-11 02:30:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 02:30:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-11 02:30:25,887 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2021-10-11 02:30:25,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:25,887 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-11 02:30:25,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-11 02:30:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:30:25,889 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:25,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:26,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:26,109 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:26,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2021-10-11 02:30:26,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:26,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733368756] [2021-10-11 02:30:26,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:26,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:26,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:26,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:26,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733368756] [2021-10-11 02:30:26,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:26,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:26,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303353947] [2021-10-11 02:30:26,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:26,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:26,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:26,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:26,370 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2021-10-11 02:30:26,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:26,562 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2021-10-11 02:30:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:30:26,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:30:26,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:26,571 INFO L225 Difference]: With dead ends: 320 [2021-10-11 02:30:26,571 INFO L226 Difference]: Without dead ends: 266 [2021-10-11 02:30:26,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:30:26,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-11 02:30:26,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2021-10-11 02:30:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 02:30:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2021-10-11 02:30:26,611 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2021-10-11 02:30:26,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:26,613 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2021-10-11 02:30:26,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2021-10-11 02:30:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:26,620 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:26,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:26,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:26,832 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:26,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:26,833 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2021-10-11 02:30:26,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:26,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902533239] [2021-10-11 02:30:26,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:28,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:29,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:29,895 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:29,895 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:30,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:30,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:30 BoogieIcfgContainer [2021-10-11 02:30:30,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:30,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:30,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:30,228 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:30,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:24" (3/4) ... [2021-10-11 02:30:30,231 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:30,348 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bacc9a-0245-430b-9615-cdb434fa93ae/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:30,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:30,358 INFO L168 Benchmark]: Toolchain (without parser) took 9412.49 ms. Allocated memory was 67.1 MB in the beginning and 123.7 MB in the end (delta: 56.6 MB). Free memory was 48.8 MB in the beginning and 55.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,362 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:30,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.09 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 33.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.73 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 33.8 MB in the beginning and 77.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,366 INFO L168 Benchmark]: Boogie Preprocessor took 43.00 ms. Allocated memory is still 94.4 MB. Free memory was 77.6 MB in the beginning and 75.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,368 INFO L168 Benchmark]: RCFGBuilder took 2484.69 ms. Allocated memory is still 94.4 MB. Free memory was 75.1 MB in the beginning and 46.7 MB in the end (delta: 28.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,369 INFO L168 Benchmark]: TraceAbstraction took 5919.93 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 46.0 MB in the beginning and 67.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,370 INFO L168 Benchmark]: Witness Printer took 128.11 ms. Allocated memory is still 123.7 MB. Free memory was 66.4 MB in the beginning and 55.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:30,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 745.09 ms. Allocated memory is still 67.1 MB. Free memory was 48.6 MB in the beginning and 33.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.73 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 33.8 MB in the beginning and 77.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.00 ms. Allocated memory is still 94.4 MB. Free memory was 77.6 MB in the beginning and 75.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2484.69 ms. Allocated memory is still 94.4 MB. Free memory was 75.1 MB in the beginning and 46.7 MB in the end (delta: 28.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5919.93 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 46.0 MB in the beginning and 67.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Witness Printer took 128.11 ms. Allocated memory is still 123.7 MB. Free memory was 66.4 MB in the beginning and 55.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 872]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L456] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L654] int waterLevel = 1; [L655] int methaneLevelCritical = 0; [L734] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L810] int retValue_acc ; [L811] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] int retValue_acc ; [L906] retValue_acc = 1 [L907] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] tmp = valid_product() [L819] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L221] int splverifierCounter ; [L222] int tmp ; [L223] int tmp___0 ; [L224] int tmp___1 ; [L225] int tmp___2 ; [L228] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L232] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L238] tmp = __VERIFIER_nondet_int() [L240] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L672] COND TRUE waterLevel < 2 [L673] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L248] tmp___0 = __VERIFIER_nondet_int() [L250] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L258] tmp___2 = __VERIFIER_nondet_int() [L260] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L59] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] COND TRUE \read(systemActive) [L88] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L835] int tmp ; [L836] int tmp___0 ; [L837] int tmp___1 ; [L693] int retValue_acc ; [L696] retValue_acc = methaneLevelCritical [L697] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L725] int retValue_acc ; [L728] retValue_acc = waterLevel [L729] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp___0 = getWaterLevel() [L849] COND TRUE tmp___0 == 2 [L157] int retValue_acc ; [L160] retValue_acc = pumpRunning [L161] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L851] tmp___1 = isPumpRunning() [L853] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L872] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 272 SDslu, 233 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 5090 SizeOfPredicates, 4 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! Received shutdown request...