./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.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_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 e091116155bef94531c8dcf2197eb34bed5ec812 ............................................................................................................................................ 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_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 e091116155bef94531c8dcf2197eb34bed5ec812 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-a4ecdab [2020-11-22 12:59:02,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:02,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:02,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:02,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:02,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:02,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:02,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:02,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:02,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:02,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:02,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:02,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:02,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:02,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:02,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:02,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:02,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:02,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:02,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:02,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:02,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:02,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:02,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:02,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:02,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:02,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:02,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:02,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:02,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:02,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:02,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:02,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:02,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:02,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:02,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:02,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:02,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:02,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:02,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:02,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:02,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:02,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:02,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:02,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:02,572 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:02,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:02,573 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:02,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:02,574 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:02,574 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:02,574 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:02,575 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:02,575 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:02,575 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:02,575 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:02,576 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:02,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:02,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:02,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:02,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:02,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:02,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:02,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:02,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:02,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:02,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:02,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:02,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:02,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:02,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:02,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:02,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:02,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:02,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:02,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:02,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:02,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:02,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:02,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:02,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:02,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:02,585 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_edb384d5-577e-4c0f-99ba-f738d1666363/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e091116155bef94531c8dcf2197eb34bed5ec812 [2020-11-22 12:59:02,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:02,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:02,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:02,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:02,966 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:02,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-22 12:59:03,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/cc4a88a44/b349bcce84964be995e14e4ff0e579d7/FLAG85dc54a17 [2020-11-22 12:59:03,671 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:03,672 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-22 12:59:03,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/cc4a88a44/b349bcce84964be995e14e4ff0e579d7/FLAG85dc54a17 [2020-11-22 12:59:03,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/cc4a88a44/b349bcce84964be995e14e4ff0e579d7 [2020-11-22 12:59:03,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:03,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:03,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:03,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:03,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:03,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:03" (1/1) ... [2020-11-22 12:59:03,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8702f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:03, skipping insertion in model container [2020-11-22 12:59:03,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:03" (1/1) ... [2020-11-22 12:59:03,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:04,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:04,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:04,380 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 12:59:04,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c655e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:04, skipping insertion in model container [2020-11-22 12:59:04,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:04,382 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:04,385 INFO L168 Benchmark]: Toolchain (without parser) took 415.43 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 66.4 MB in the end (delta: -14.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:04,386 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:04,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.69 ms. Allocated memory is still 92.3 MB. Free memory was 52.3 MB in the beginning and 66.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:04,390 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 92.3 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.69 ms. Allocated memory is still 92.3 MB. Free memory was 52.3 MB in the beginning and 66.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 450]: 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 12:59:06,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:06,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:06,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:06,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:06,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:06,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:06,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:06,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:06,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:06,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:06,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:06,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:06,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:06,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:06,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:06,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:06,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:06,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:06,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:06,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:06,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:06,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:06,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:06,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:06,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:06,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:06,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:06,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:06,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:06,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:06,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:06,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:06,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:06,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:06,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:06,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:06,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:06,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:06,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:06,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:06,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:06,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:06,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:06,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:06,769 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:06,769 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:06,769 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:06,770 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:06,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:06,770 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:06,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:06,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:06,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:06,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:06,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:06,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:06,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:06,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:06,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:06,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:06,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:06,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:06,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:06,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:06,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:06,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:06,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:06,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:06,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:06,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:06,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:06,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:06,777 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:06,777 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:06,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:06,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:06,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:06,778 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_edb384d5-577e-4c0f-99ba-f738d1666363/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e091116155bef94531c8dcf2197eb34bed5ec812 [2020-11-22 12:59:07,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:07,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:07,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:07,247 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:07,250 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:07,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-22 12:59:07,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/13fbe3eaa/277119962a6b4f398ede922de38e2e46/FLAGd20f8f214 [2020-11-22 12:59:07,914 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:07,915 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-22 12:59:07,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/13fbe3eaa/277119962a6b4f398ede922de38e2e46/FLAGd20f8f214 [2020-11-22 12:59:08,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/data/13fbe3eaa/277119962a6b4f398ede922de38e2e46 [2020-11-22 12:59:08,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:08,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:08,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:08,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:08,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:08,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:08,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18869b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08, skipping insertion in model container [2020-11-22 12:59:08,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:08,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:08,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:08,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:08,747 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:08,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:08,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:08,849 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:08,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:08,962 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:08,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08 WrapperNode [2020-11-22 12:59:08,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:08,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:08,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:08,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:08,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:08,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:09,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:09,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:09,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:09,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... [2020-11-22 12:59:09,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:09,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:09,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:09,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:09,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 12:59:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:11,660 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:11,665 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-22 12:59:11,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:11 BoogieIcfgContainer [2020-11-22 12:59:11,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:11,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:11,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:11,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:11,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:08" (1/3) ... [2020-11-22 12:59:11,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9db108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:11, skipping insertion in model container [2020-11-22 12:59:11,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:08" (2/3) ... [2020-11-22 12:59:11,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9db108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:11, skipping insertion in model container [2020-11-22 12:59:11,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:11" (3/3) ... [2020-11-22 12:59:11,679 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-11-22 12:59:11,691 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:11,695 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:11,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:11,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:11,739 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:11,740 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:11,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:11,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:11,740 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:11,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:11,740 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-22 12:59:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:59:11,763 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:11,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:11,764 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash 485436412, now seen corresponding path program 1 times [2020-11-22 12:59:11,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:11,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216466851] [2020-11-22 12:59:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 12:59:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:12,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:12,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:12,071 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 12:59:12,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:12,077 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 12:59:12,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216466851] [2020-11-22 12:59:12,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:12,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:12,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570203041] [2020-11-22 12:59:12,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:12,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:12,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:12,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:12,099 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-22 12:59:12,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:12,123 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-11-22 12:59:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:12,124 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:59:12,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:12,134 INFO L225 Difference]: With dead ends: 123 [2020-11-22 12:59:12,134 INFO L226 Difference]: Without dead ends: 59 [2020-11-22 12:59:12,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 12:59:12,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-22 12:59:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-22 12:59:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-22 12:59:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-11-22 12:59:12,173 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-11-22 12:59:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:12,174 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-22 12:59:12,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-22 12:59:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:59:12,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:12,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:12,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:12,380 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:12,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:12,380 INFO L82 PathProgramCache]: Analyzing trace with hash -425594341, now seen corresponding path program 1 times [2020-11-22 12:59:12,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:12,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092175811] [2020-11-22 12:59:12,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 12:59:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:12,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:12,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:12,580 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 12:59:12,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:12,592 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 12:59:12,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092175811] [2020-11-22 12:59:12,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:12,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:12,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620204081] [2020-11-22 12:59:12,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:12,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:12,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:12,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:12,595 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 4 states. [2020-11-22 12:59:12,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:12,614 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-11-22 12:59:12,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:12,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:59:12,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:12,617 INFO L225 Difference]: With dead ends: 59 [2020-11-22 12:59:12,617 INFO L226 Difference]: Without dead ends: 29 [2020-11-22 12:59:12,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 12:59:12,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-22 12:59:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-22 12:59:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-22 12:59:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-22 12:59:12,637 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-11-22 12:59:12,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:12,638 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-22 12:59:12,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-22 12:59:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:59:12,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:12,639 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 12:59:12,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:12,852 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:12,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:12,853 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2020-11-22 12:59:12,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:12,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588219903] [2020-11-22 12:59:12,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 12:59:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:13,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:13,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:13,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:13,188 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 12:59:13,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588219903] [2020-11-22 12:59:13,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:13,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:59:13,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16850226] [2020-11-22 12:59:13,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:59:13,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:13,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:59:13,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:13,192 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 8 states. [2020-11-22 12:59:13,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:13,581 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2020-11-22 12:59:13,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-22 12:59:13,583 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-22 12:59:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:13,586 INFO L225 Difference]: With dead ends: 244 [2020-11-22 12:59:13,586 INFO L226 Difference]: Without dead ends: 221 [2020-11-22 12:59:13,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-11-22 12:59:13,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-11-22 12:59:13,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2020-11-22 12:59:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-22 12:59:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2020-11-22 12:59:13,622 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2020-11-22 12:59:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:13,622 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2020-11-22 12:59:13,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:59:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-11-22 12:59:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:59:13,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:13,625 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] [2020-11-22 12:59:13,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:13,846 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:13,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:13,846 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2020-11-22 12:59:13,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:13,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909706028] [2020-11-22 12:59:13,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/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 12:59:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:59:15,385 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:59:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:59:16,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:59:16,718 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 12:59:16,718 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:59:16,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:17,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:17 BoogieIcfgContainer [2020-11-22 12:59:17,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:17,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:17,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:17,047 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:17,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:11" (3/4) ... [2020-11-22 12:59:17,050 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:59:17,132 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_edb384d5-577e-4c0f-99ba-f738d1666363/bin/utaipan/witness.graphml [2020-11-22 12:59:17,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:17,134 INFO L168 Benchmark]: Toolchain (without parser) took 8903.70 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 45.0 MB in the beginning and 57.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,135 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:17,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.91 ms. Allocated memory is still 69.2 MB. Free memory was 44.9 MB in the beginning and 44.0 MB in the end (delta: 879.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.25 ms. Allocated memory is still 69.2 MB. Free memory was 44.0 MB in the beginning and 41.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,136 INFO L168 Benchmark]: Boogie Preprocessor took 36.94 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 39.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,137 INFO L168 Benchmark]: RCFGBuilder took 2604.38 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 39.1 MB in the beginning and 61.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,137 INFO L168 Benchmark]: TraceAbstraction took 5375.11 ms. Allocated memory is still 86.0 MB. Free memory was 61.3 MB in the beginning and 32.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,138 INFO L168 Benchmark]: Witness Printer took 85.56 ms. Allocated memory is still 86.0 MB. Free memory was 32.8 MB in the beginning and 57.5 MB in the end (delta: -24.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:17,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.91 ms. Allocated memory is still 69.2 MB. Free memory was 44.9 MB in the beginning and 44.0 MB in the end (delta: 879.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.25 ms. Allocated memory is still 69.2 MB. Free memory was 44.0 MB in the beginning and 41.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.94 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 39.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2604.38 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 39.1 MB in the beginning and 61.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5375.11 ms. Allocated memory is still 86.0 MB. Free memory was 61.3 MB in the beginning and 32.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * Witness Printer took 85.56 ms. Allocated memory is still 86.0 MB. Free memory was 32.8 MB in the beginning and 57.5 MB in the end (delta: -24.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L226] int pumpRunning = 0; [L227] int systemActive = 1; [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L173] tmp = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] COND TRUE waterLevel < 2 [L807] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L354] int tmp ; [L355] int tmp___0 ; [L356] int tmp___1 ; [L827] int retValue_acc ; [L830] retValue_acc = methaneLevelCritical [L831] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L366] tmp___0 = getWaterLevel() [L368] COND TRUE tmp___0 == 2 [L307] int retValue_acc ; [L310] retValue_acc = pumpRunning [L311] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L370] tmp___1 = isPumpRunning() [L372] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product09.cil.c", 3, "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, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 404 SDslu, 396 SDs, 0 SdLazy, 86 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, 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, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 6384 SizeOfPredicates, 5 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...