./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06bd52675bc6dde68cedf41ed0037401ce822bbb ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06bd52675bc6dde68cedf41ed0037401ce822bbb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:52:18,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:18,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:18,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:18,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:18,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:18,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:18,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:18,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:18,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:18,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:18,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:18,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:18,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:18,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:18,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:18,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:18,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:18,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:18,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:18,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:18,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:18,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:18,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:18,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:18,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:18,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:18,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:18,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:18,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:18,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:18,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:18,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:18,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:18,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:18,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:18,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:18,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:18,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:18,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:18,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:18,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:52:18,508 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:18,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:18,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:18,511 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:18,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:18,511 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:18,512 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:52:18,512 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:18,513 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:18,513 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:52:18,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:52:18,514 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:18,514 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:52:18,515 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:52:18,515 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:52:18,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:18,516 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:52:18,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:52:18,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:52:18,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:18,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:18,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:18,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:18,519 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:18,519 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:52:18,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:18,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:18,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:18,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:18,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:18,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:18,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:18,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:18,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:18,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:18,523 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:52:18,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:52:18,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:18,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:18,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:18,525 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2020-11-22 12:52:18,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:18,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:18,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:18,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:18,867 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:18,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-11-22 12:52:18,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/46ab181ad/7ac56a1888a344b8a087b56a7de0d7e1/FLAG41fdc85f6 [2020-11-22 12:52:19,620 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:19,621 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-11-22 12:52:19,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/46ab181ad/7ac56a1888a344b8a087b56a7de0d7e1/FLAG41fdc85f6 [2020-11-22 12:52:19,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/46ab181ad/7ac56a1888a344b8a087b56a7de0d7e1 [2020-11-22 12:52:19,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:19,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:19,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:19,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:19,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:19,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:19" (1/1) ... [2020-11-22 12:52:19,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a77252a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:19, skipping insertion in model container [2020-11-22 12:52:19,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:19" (1/1) ... [2020-11-22 12:52:19,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:20,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:20,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:20,473 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:52:20,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47211cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:20, skipping insertion in model container [2020-11-22 12:52:20,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:20,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:52:20,479 INFO L168 Benchmark]: Toolchain (without parser) took 524.83 ms. Allocated memory is still 96.5 MB. Free memory was 64.6 MB in the beginning and 71.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:20,481 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:20,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.47 ms. Allocated memory is still 96.5 MB. Free memory was 64.3 MB in the beginning and 71.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:20,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 509.47 ms. Allocated memory is still 96.5 MB. Free memory was 64.3 MB in the beginning and 71.8 MB in the end (delta: -7.5 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: 309]: 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-a4ecdab [2020-11-22 12:52:23,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:52:23,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:52:23,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:52:23,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:52:23,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:52:23,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:52:23,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:52:23,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:52:23,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:52:23,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:52:23,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:52:23,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:52:23,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:52:23,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:52:23,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:52:23,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:52:23,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:52:23,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:52:23,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:52:23,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:52:23,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:52:23,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:52:23,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:52:23,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:52:23,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:52:23,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:52:23,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:52:23,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:52:23,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:52:23,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:52:23,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:52:23,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:52:23,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:52:23,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:52:23,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:52:23,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:52:23,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:52:23,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:52:23,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:52:23,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:52:23,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:52:23,515 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:52:23,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:52:23,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:52:23,517 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:52:23,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:52:23,517 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:52:23,518 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:52:23,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:52:23,518 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:52:23,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:52:23,520 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:52:23,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:52:23,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:52:23,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:52:23,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:52:23,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:52:23,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:52:23,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:52:23,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:52:23,522 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:52:23,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:52:23,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:52:23,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:52:23,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:52:23,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:52:23,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:52:23,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:52:23,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:23,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:52:23,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:52:23,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:52:23,526 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:52:23,526 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:52:23,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:52:23,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:52:23,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:52:23,527 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2020-11-22 12:52:24,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:52:24,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:52:24,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:52:24,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:52:24,104 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:52:24,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-11-22 12:52:24,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/736338f6d/2f067b9bbd7d4c8084f6f18bc1da259b/FLAGff0bef804 [2020-11-22 12:52:25,005 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:52:25,014 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-11-22 12:52:25,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/736338f6d/2f067b9bbd7d4c8084f6f18bc1da259b/FLAGff0bef804 [2020-11-22 12:52:25,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/data/736338f6d/2f067b9bbd7d4c8084f6f18bc1da259b [2020-11-22 12:52:25,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:52:25,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:52:25,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:25,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:52:25,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:52:25,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:25" (1/1) ... [2020-11-22 12:52:25,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66176fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:25, skipping insertion in model container [2020-11-22 12:52:25,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:52:25" (1/1) ... [2020-11-22 12:52:25,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:52:25,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:25,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:25,807 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:52:25,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:52:25,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:25,950 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:52:26,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:52:26,119 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:52:26,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26 WrapperNode [2020-11-22 12:52:26,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:52:26,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:52:26,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:52:26,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:52:26,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:52:26,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:52:26,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:52:26,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:52:26,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... [2020-11-22 12:52:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:52:26,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:52:26,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:52:26,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:52:26,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:52:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:52:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:52:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:52:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:52:29,293 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:52:29,293 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 12:52:29,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:29 BoogieIcfgContainer [2020-11-22 12:52:29,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:52:29,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:52:29,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:52:29,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:52:29,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:52:25" (1/3) ... [2020-11-22 12:52:29,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c806aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:52:29, skipping insertion in model container [2020-11-22 12:52:29,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:52:26" (2/3) ... [2020-11-22 12:52:29,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c806aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:52:29, skipping insertion in model container [2020-11-22 12:52:29,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:29" (3/3) ... [2020-11-22 12:52:29,309 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-11-22 12:52:29,323 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:52:29,329 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:52:29,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:52:29,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:52:29,390 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:52:29,391 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:52:29,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:52:29,391 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:52:29,391 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:52:29,391 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:52:29,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:52:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-22 12:52:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:52:29,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:29,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:29,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:29,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:29,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-11-22 12:52:29,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:29,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466729756] [2020-11-22 12:52:29,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:29,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:52:29,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:29,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:29,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466729756] [2020-11-22 12:52:29,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:29,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:52:29,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799747404] [2020-11-22 12:52:29,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:52:29,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:29,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:52:29,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:52:29,865 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-22 12:52:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:29,897 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-22 12:52:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:52:29,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:52:29,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:29,910 INFO L225 Difference]: With dead ends: 139 [2020-11-22 12:52:29,910 INFO L226 Difference]: Without dead ends: 67 [2020-11-22 12:52:29,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:52:29,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-22 12:52:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-22 12:52:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 12:52:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-22 12:52:29,960 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-22 12:52:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:29,961 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-22 12:52:29,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:52:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-22 12:52:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:52:29,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:29,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:30,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:52:30,188 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:30,189 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-11-22 12:52:30,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:30,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834014110] [2020-11-22 12:52:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:30,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:30,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:30,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:30,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834014110] [2020-11-22 12:52:30,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:30,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:52:30,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562750106] [2020-11-22 12:52:30,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:52:30,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:30,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:52:30,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:30,519 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2020-11-22 12:52:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:30,569 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-22 12:52:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:52:30,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:52:30,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:30,572 INFO L225 Difference]: With dead ends: 67 [2020-11-22 12:52:30,572 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 12:52:30,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:30,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 12:52:30,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 12:52:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 12:52:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 12:52:30,590 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 12:52:30,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:30,590 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 12:52:30,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:52:30,591 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 12:52:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:52:30,592 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:30,601 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] [2020-11-22 12:52:30,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:52:30,809 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:30,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:30,810 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-11-22 12:52:30,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:30,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981072145] [2020-11-22 12:52:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:31,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:52:31,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981072145] [2020-11-22 12:52:31,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:31,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:52:31,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559613795] [2020-11-22 12:52:31,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:52:31,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:31,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:52:31,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:31,064 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 12:52:31,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:31,141 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-11-22 12:52:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:52:31,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:52:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:31,144 INFO L225 Difference]: With dead ends: 110 [2020-11-22 12:52:31,144 INFO L226 Difference]: Without dead ends: 83 [2020-11-22 12:52:31,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:52:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-22 12:52:31,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-11-22 12:52:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 12:52:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-22 12:52:31,161 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-22 12:52:31,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:31,162 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-22 12:52:31,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:52:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-22 12:52:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:52:31,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:31,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:31,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,385 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:31,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:31,386 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-11-22 12:52:31,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:31,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853246746] [2020-11-22 12:52:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:31,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:52:31,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:31,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853246746] [2020-11-22 12:52:31,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:31,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:52:31,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493049338] [2020-11-22 12:52:31,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:52:31,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:31,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:52:31,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:52:31,668 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-11-22 12:52:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:31,851 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2020-11-22 12:52:31,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:52:31,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 12:52:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:31,855 INFO L225 Difference]: With dead ends: 237 [2020-11-22 12:52:31,855 INFO L226 Difference]: Without dead ends: 191 [2020-11-22 12:52:31,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:52:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-11-22 12:52:31,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2020-11-22 12:52:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-22 12:52:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2020-11-22 12:52:31,892 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2020-11-22 12:52:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:31,892 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2020-11-22 12:52:31,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:52:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-11-22 12:52:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:52:31,894 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:52:31,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:52:32,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:52:32,095 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:52:32,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:52:32,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2020-11-22 12:52:32,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:52:32,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68352230] [2020-11-22 12:52:32,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:52:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:52:32,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:52:32,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:52:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:32,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:52:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:52:32,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68352230] [2020-11-22 12:52:32,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:52:32,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:52:32,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148285435] [2020-11-22 12:52:32,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:52:32,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:52:32,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:52:32,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:52:32,383 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2020-11-22 12:52:32,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:52:32,529 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2020-11-22 12:52:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:52:32,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:52:32,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:52:32,530 INFO L225 Difference]: With dead ends: 282 [2020-11-22 12:52:32,531 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:52:32,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:52:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:52:32,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:52:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:52:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:52:32,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 12:52:32,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:52:32,534 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:52:32,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:52:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:52:32,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:52:32,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:52:32,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:52:32,947 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 6 [2020-11-22 12:52:33,354 INFO L270 CegarLoopResult]: At program point L217(lines 212 220) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,354 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,354 INFO L270 CegarLoopResult]: At program point L217-1(lines 212 220) the Hoare annotation is: false [2020-11-22 12:52:33,354 INFO L270 CegarLoopResult]: At program point L217-2(lines 212 220) the Hoare annotation is: false [2020-11-22 12:52:33,355 INFO L270 CegarLoopResult]: At program point L680(lines 675 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,355 INFO L274 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-11-22 12:52:33,355 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 176) no Hoare annotation was computed. [2020-11-22 12:52:33,355 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 176) no Hoare annotation was computed. [2020-11-22 12:52:33,355 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,355 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,355 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,356 INFO L274 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-11-22 12:52:33,362 INFO L274 CegarLoopResult]: For program point L798(lines 798 811) no Hoare annotation was computed. [2020-11-22 12:52:33,363 INFO L270 CegarLoopResult]: At program point L798-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,364 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 811) no Hoare annotation was computed. [2020-11-22 12:52:33,364 INFO L270 CegarLoopResult]: At program point L798-3(lines 1 895) the Hoare annotation is: false [2020-11-22 12:52:33,364 INFO L274 CegarLoopResult]: For program point L798-4(lines 798 811) no Hoare annotation was computed. [2020-11-22 12:52:33,365 INFO L270 CegarLoopResult]: At program point L798-5(lines 1 895) the Hoare annotation is: false [2020-11-22 12:52:33,365 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-11-22 12:52:33,366 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,366 INFO L270 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2020-11-22 12:52:33,367 INFO L270 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2020-11-22 12:52:33,367 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,367 INFO L277 CegarLoopResult]: At program point L785(lines 766 788) the Hoare annotation is: true [2020-11-22 12:52:33,368 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-11-22 12:52:33,368 INFO L274 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-11-22 12:52:33,369 INFO L274 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-11-22 12:52:33,369 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 808) no Hoare annotation was computed. [2020-11-22 12:52:33,369 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 808) no Hoare annotation was computed. [2020-11-22 12:52:33,369 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-11-22 12:52:33,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,370 INFO L270 CegarLoopResult]: At program point L753(lines 749 755) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,370 INFO L270 CegarLoopResult]: At program point L208(lines 201 211) the Hoare annotation is: false [2020-11-22 12:52:33,370 INFO L270 CegarLoopResult]: At program point L208-1(lines 201 211) the Hoare annotation is: false [2020-11-22 12:52:33,370 INFO L270 CegarLoopResult]: At program point L208-2(lines 201 211) the Hoare annotation is: false [2020-11-22 12:52:33,371 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-11-22 12:52:33,371 INFO L270 CegarLoopResult]: At program point L672(lines 1 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:52:33,371 INFO L270 CegarLoopResult]: At program point L705-2(lines 705 719) the Hoare annotation is: false [2020-11-22 12:52:33,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,372 INFO L274 CegarLoopResult]: For program point L689(line 689) no Hoare annotation was computed. [2020-11-22 12:52:33,372 INFO L274 CegarLoopResult]: For program point L689-1(line 689) no Hoare annotation was computed. [2020-11-22 12:52:33,372 INFO L274 CegarLoopResult]: For program point L689-2(line 689) no Hoare annotation was computed. [2020-11-22 12:52:33,372 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-11-22 12:52:33,372 INFO L270 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,374 INFO L274 CegarLoopResult]: For program point L706(line 706) no Hoare annotation was computed. [2020-11-22 12:52:33,374 INFO L274 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-11-22 12:52:33,374 INFO L270 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,375 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-11-22 12:52:33,375 INFO L270 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,375 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-11-22 12:52:33,375 INFO L274 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2020-11-22 12:52:33,376 INFO L274 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2020-11-22 12:52:33,376 INFO L274 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-11-22 12:52:33,376 INFO L274 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2020-11-22 12:52:33,376 INFO L274 CegarLoopResult]: For program point L709-1(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:52:33,376 INFO L274 CegarLoopResult]: For program point L164-1(lines 164 181) no Hoare annotation was computed. [2020-11-22 12:52:33,377 INFO L274 CegarLoopResult]: For program point L164-2(lines 164 181) no Hoare annotation was computed. [2020-11-22 12:52:33,377 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:52:33,377 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:52:33,377 INFO L274 CegarLoopResult]: For program point L776(lines 776 783) no Hoare annotation was computed. [2020-11-22 12:52:33,378 INFO L277 CegarLoopResult]: At program point L776-1(lines 776 783) the Hoare annotation is: true [2020-11-22 12:52:33,378 INFO L270 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,378 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:52:33,378 INFO L270 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2020-11-22 12:52:33,378 INFO L270 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2020-11-22 12:52:33,379 INFO L270 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: false [2020-11-22 12:52:33,379 INFO L270 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,379 INFO L270 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2020-11-22 12:52:33,380 INFO L270 CegarLoopResult]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2020-11-22 12:52:33,380 INFO L270 CegarLoopResult]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2020-11-22 12:52:33,381 INFO L270 CegarLoopResult]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2020-11-22 12:52:33,381 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-11-22 12:52:33,383 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:52:33,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:52:33 BoogieIcfgContainer [2020-11-22 12:52:33,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:52:33,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:52:33,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:52:33,416 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:52:33,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:52:29" (3/4) ... [2020-11-22 12:52:33,420 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:52:33,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:52:33,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:52:33,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:52:33,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:52:33,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:52:33,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:52:33,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:52:33,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:52:33,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c9f6b52b-13de-4663-b2ff-ee3c94e76dcf/bin/utaipan/witness.graphml [2020-11-22 12:52:33,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:52:33,581 INFO L168 Benchmark]: Toolchain (without parser) took 8352.04 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 40.2 MB in the beginning and 56.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,582 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory was 57.4 MB in the beginning and 57.3 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:52:33,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.46 ms. Allocated memory is still 75.5 MB. Free memory was 39.9 MB in the beginning and 41.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.08 ms. Allocated memory is still 75.5 MB. Free memory was 41.7 MB in the beginning and 38.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,584 INFO L168 Benchmark]: Boogie Preprocessor took 84.39 ms. Allocated memory is still 75.5 MB. Free memory was 38.8 MB in the beginning and 58.1 MB in the end (delta: -19.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,584 INFO L168 Benchmark]: RCFGBuilder took 3011.51 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 57.7 MB in the beginning and 49.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,585 INFO L168 Benchmark]: TraceAbstraction took 4114.05 ms. Allocated memory is still 100.7 MB. Free memory was 49.7 MB in the beginning and 63.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,585 INFO L168 Benchmark]: Witness Printer took 165.53 ms. Allocated memory is still 100.7 MB. Free memory was 63.0 MB in the beginning and 56.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:52:33,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory was 57.4 MB in the beginning and 57.3 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 889.46 ms. Allocated memory is still 75.5 MB. Free memory was 39.9 MB in the beginning and 41.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.08 ms. Allocated memory is still 75.5 MB. Free memory was 41.7 MB in the beginning and 38.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.39 ms. Allocated memory is still 75.5 MB. Free memory was 38.8 MB in the beginning and 58.1 MB in the end (delta: -19.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3011.51 ms. Allocated memory was 75.5 MB in the beginning and 100.7 MB in the end (delta: 25.2 MB). Free memory was 57.7 MB in the beginning and 49.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4114.05 ms. Allocated memory is still 100.7 MB. Free memory was 49.7 MB in the beginning and 63.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 165.53 ms. Allocated memory is still 100.7 MB. Free memory was 63.0 MB in the beginning and 56.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 405 SDslu, 359 SDs, 0 SdLazy, 64 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 5 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 122 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 6608 SizeOfPredicates, 8 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 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 correct! Received shutdown request...