./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 920725b4778fe7902e2cc2a93ab39c30358d9d16 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 920725b4778fe7902e2cc2a93ab39c30358d9d16 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:31:54,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:31:54,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:31:54,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:31:54,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:31:54,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:31:54,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:31:54,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:31:54,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:31:54,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:31:54,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:31:54,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:31:54,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:31:54,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:31:54,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:31:54,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:31:54,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:31:54,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:31:54,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:31:54,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:31:54,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:31:54,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:31:54,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:31:54,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:31:54,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:31:54,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:31:54,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:31:54,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:31:54,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:31:54,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:31:54,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:31:54,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:31:54,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:31:54,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:31:54,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:31:54,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:31:54,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:31:54,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:31:54,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:31:54,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:31:54,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:31:54,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:31:54,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:31:54,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:31:54,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:31:54,565 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:31:54,565 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:31:54,566 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:31:54,567 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:31:54,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:31:54,567 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:31:54,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:31:54,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:31:54,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:31:54,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:31:54,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:31:54,570 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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(__VERIFIER_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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-12-07 10:31:54,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:31:54,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:31:54,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:31:54,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:31:54,685 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:31:54,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-12-07 10:31:54,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/ca6109a61/77dc5b5c13034717ad7a4a03a810ddff/FLAG50e94a463 [2019-12-07 10:31:55,077 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:31:55,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-12-07 10:31:55,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/ca6109a61/77dc5b5c13034717ad7a4a03a810ddff/FLAG50e94a463 [2019-12-07 10:31:55,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/ca6109a61/77dc5b5c13034717ad7a4a03a810ddff [2019-12-07 10:31:55,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:31:55,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:31:55,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:31:55,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:31:55,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:31:55,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:31:55" (1/1) ... [2019-12-07 10:31:55,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7b5f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:55, skipping insertion in model container [2019-12-07 10:31:55,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:31:55" (1/1) ... [2019-12-07 10:31:55,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:31:55,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:31:55,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:31:55,343 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) [2019-12-07 10:31:55,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53d50f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:55, skipping insertion in model container [2019-12-07 10:31:55,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:31:55,344 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:31:55,346 INFO L168 Benchmark]: Toolchain (without parser) took 246.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:31:55,346 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:31:55,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:31:55,348 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 575]: 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 0.1.25-f470102 [2019-12-07 10:31:56,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:31:56,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:31:56,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:31:56,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:31:56,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:31:56,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:31:56,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:31:56,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:31:56,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:31:56,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:31:56,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:31:56,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:31:56,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:31:56,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:31:56,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:31:56,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:31:56,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:31:56,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:31:56,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:31:56,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:31:56,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:31:56,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:31:56,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:31:56,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:31:56,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:31:56,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:31:56,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:31:56,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:31:56,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:31:56,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:31:56,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:31:56,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:31:56,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:31:56,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:31:56,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:31:56,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:31:56,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:31:56,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:31:56,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:31:56,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:31:56,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:31:56,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:31:56,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:31:56,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:31:56,518 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:31:56,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:31:56,518 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:31:56,518 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:31:56,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:31:56,519 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:31:56,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:31:56,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:31:56,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:31:56,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:31:56,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:31:56,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:31:56,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:31:56,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:31:56,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:31:56,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:31:56,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:31:56,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:31:56,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:31:56,522 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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(__VERIFIER_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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-12-07 10:31:56,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:31:56,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:31:56,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:31:56,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:31:56,708 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:31:56,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-12-07 10:31:56,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/39fc9855c/764ff4297e624d57b60f552bd7a58e7c/FLAGcb38bd494 [2019-12-07 10:31:57,191 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:31:57,191 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-12-07 10:31:57,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/39fc9855c/764ff4297e624d57b60f552bd7a58e7c/FLAGcb38bd494 [2019-12-07 10:31:57,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/data/39fc9855c/764ff4297e624d57b60f552bd7a58e7c [2019-12-07 10:31:57,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:31:57,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:31:57,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:31:57,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:31:57,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:31:57,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57, skipping insertion in model container [2019-12-07 10:31:57,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:31:57,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:31:57,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:31:57,466 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:31:57,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:31:57,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:31:57,513 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:31:57,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:31:57,570 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:31:57,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57 WrapperNode [2019-12-07 10:31:57,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:31:57,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:31:57,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:31:57,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:31:57,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:31:57,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:31:57,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:31:57,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:31:57,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... [2019-12-07 10:31:57,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:31:57,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:31:57,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:31:57,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:31:57,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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 [2019-12-07 10:31:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:31:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:31:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:31:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:31:58,139 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:31:58,139 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 10:31:58,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:31:58 BoogieIcfgContainer [2019-12-07 10:31:58,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:31:58,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:31:58,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:31:58,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:31:58,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:31:57" (1/3) ... [2019-12-07 10:31:58,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f43fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:31:58, skipping insertion in model container [2019-12-07 10:31:58,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:31:57" (2/3) ... [2019-12-07 10:31:58,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f43fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:31:58, skipping insertion in model container [2019-12-07 10:31:58,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:31:58" (3/3) ... [2019-12-07 10:31:58,147 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2019-12-07 10:31:58,157 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:31:58,164 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:31:58,173 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:31:58,189 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:31:58,189 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:31:58,189 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:31:58,189 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:31:58,189 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:31:58,190 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:31:58,190 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:31:58,190 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:31:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 10:31:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:31:58,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:31:58,206 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:31:58,206 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:31:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:31:58,210 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-12-07 10:31:58,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:31:58,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800693003] [2019-12-07 10:31:58,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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 [2019-12-07 10:31:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:31:58,356 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:31:58,360 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:31:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:58,370 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:31:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:58,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800693003] [2019-12-07 10:31:58,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:31:58,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:31:58,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799823156] [2019-12-07 10:31:58,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:31:58,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:31:58,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:31:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:31:58,389 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 10:31:58,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:31:58,407 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 10:31:58,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:31:58,408 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 10:31:58,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:31:58,416 INFO L225 Difference]: With dead ends: 144 [2019-12-07 10:31:58,416 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 10:31:58,419 INFO L630 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 [2019-12-07 10:31:58,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 10:31:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 10:31:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 10:31:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 10:31:58,447 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-12-07 10:31:58,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:31:58,448 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 10:31:58,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:31:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 10:31:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:31:58,449 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:31:58,449 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:31:58,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:31:58,651 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:31:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:31:58,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-12-07 10:31:58,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:31:58,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966573962] [2019-12-07 10:31:58,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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 [2019-12-07 10:31:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:31:58,854 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:31:58,856 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:31:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:58,872 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:31:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:58,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966573962] [2019-12-07 10:31:58,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:31:58,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:31:58,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481574876] [2019-12-07 10:31:58,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:31:58,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:31:58,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:31:58,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:31:58,885 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2019-12-07 10:31:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:31:58,897 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 10:31:58,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:31:58,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 10:31:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:31:58,899 INFO L225 Difference]: With dead ends: 71 [2019-12-07 10:31:58,899 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 10:31:58,900 INFO L630 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 [2019-12-07 10:31:58,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 10:31:58,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 10:31:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 10:31:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 10:31:58,905 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 10:31:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:31:58,905 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 10:31:58,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:31:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 10:31:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:31:58,906 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:31:58,906 INFO L410 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] [2019-12-07 10:31:59,107 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:31:59,108 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:31:59,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:31:59,109 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-12-07 10:31:59,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:31:59,111 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412717805] [2019-12-07 10:31:59,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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 [2019-12-07 10:31:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:31:59,336 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:31:59,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:31:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:59,346 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:31:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:59,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412717805] [2019-12-07 10:31:59,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:31:59,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:31:59,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958515269] [2019-12-07 10:31:59,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:31:59,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:31:59,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:31:59,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:31:59,354 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 10:31:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:31:59,361 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 10:31:59,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:31:59,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 10:31:59,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:31:59,363 INFO L225 Difference]: With dead ends: 60 [2019-12-07 10:31:59,363 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 10:31:59,363 INFO L630 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 [2019-12-07 10:31:59,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 10:31:59,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 10:31:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 10:31:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 10:31:59,369 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-12-07 10:31:59,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:31:59,369 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 10:31:59,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:31:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 10:31:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 10:31:59,370 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:31:59,370 INFO L410 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] [2019-12-07 10:31:59,571 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:31:59,572 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:31:59,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:31:59,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-12-07 10:31:59,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:31:59,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296642379] [2019-12-07 10:31:59,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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 [2019-12-07 10:31:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:31:59,718 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:31:59,720 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:31:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:59,733 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:31:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:31:59,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296642379] [2019-12-07 10:31:59,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:31:59,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:31:59,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406888403] [2019-12-07 10:31:59,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:31:59,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:31:59,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:31:59,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:31:59,743 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-12-07 10:31:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:31:59,812 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 10:31:59,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:31:59,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 10:31:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:31:59,814 INFO L225 Difference]: With dead ends: 151 [2019-12-07 10:31:59,814 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 10:31:59,815 INFO L630 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 [2019-12-07 10:31:59,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 10:31:59,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-12-07 10:31:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 10:31:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-12-07 10:31:59,824 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-12-07 10:31:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:31:59,825 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-12-07 10:31:59,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:31:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-12-07 10:31:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:31:59,826 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:31:59,826 INFO L410 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] [2019-12-07 10:32:00,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:32:00,028 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:32:00,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:32:00,029 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2019-12-07 10:32:00,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:32:00,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594055288] [2019-12-07 10:32:00,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/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 [2019-12-07 10:32:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:32:00,254 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:32:00,255 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:32:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:32:00,270 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:32:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:32:00,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594055288] [2019-12-07 10:32:00,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:32:00,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:32:00,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160639795] [2019-12-07 10:32:00,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:32:00,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:32:00,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:32:00,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:32:00,273 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-12-07 10:32:00,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:32:00,335 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-12-07 10:32:00,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:32:00,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 10:32:00,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:32:00,335 INFO L225 Difference]: With dead ends: 148 [2019-12-07 10:32:00,336 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:32:00,336 INFO L630 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 [2019-12-07 10:32:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:32:00,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:32:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:32:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:32:00,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 10:32:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:32:00,337 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:32:00,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:32:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:32:00,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:32:00,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:32:00,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:32:00,812 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-12-07 10:32:00,812 INFO L246 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-12-07 10:32:00,812 INFO L242 CegarLoopResult]: At program point L184-1(lines 1 911) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,812 INFO L246 CegarLoopResult]: For program point L184-2(lines 184 197) no Hoare annotation was computed. [2019-12-07 10:32:00,812 INFO L242 CegarLoopResult]: At program point L184-3(lines 1 911) the Hoare annotation is: false [2019-12-07 10:32:00,812 INFO L246 CegarLoopResult]: For program point L184-4(lines 184 197) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L242 CegarLoopResult]: At program point L184-5(lines 1 911) the Hoare annotation is: false [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L432-2(lines 222 228) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L242 CegarLoopResult]: At program point L416-1(lines 416 422) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L466-1(lines 222 228) no Hoare annotation was computed. [2019-12-07 10:32:00,813 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L249 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L188-2(lines 188 194) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L188-4(lines 188 194) no Hoare annotation was computed. [2019-12-07 10:32:00,814 INFO L242 CegarLoopResult]: At program point L222(lines 221 240) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,814 INFO L246 CegarLoopResult]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2019-12-07 10:32:00,815 INFO L242 CegarLoopResult]: At program point L222-2(lines 221 240) the Hoare annotation is: false [2019-12-07 10:32:00,815 INFO L242 CegarLoopResult]: At program point L222-3(lines 221 240) the Hoare annotation is: false [2019-12-07 10:32:00,815 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,815 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-12-07 10:32:00,815 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-12-07 10:32:00,815 INFO L246 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2019-12-07 10:32:00,815 INFO L246 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2019-12-07 10:32:00,815 INFO L246 CegarLoopResult]: For program point L206-2(line 206) no Hoare annotation was computed. [2019-12-07 10:32:00,815 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:32:00,815 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-12-07 10:32:00,815 INFO L246 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L242 CegarLoopResult]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2019-12-07 10:32:00,816 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L325(lines 320 328) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2019-12-07 10:32:00,817 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L161(lines 1 911) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L442(lines 395 443) the Hoare annotation is: false [2019-12-07 10:32:00,817 INFO L246 CegarLoopResult]: For program point L426(lines 426 437) no Hoare annotation was computed. [2019-12-07 10:32:00,817 INFO L249 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L229(lines 229 235) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L229-1(lines 229 235) the Hoare annotation is: false [2019-12-07 10:32:00,817 INFO L242 CegarLoopResult]: At program point L229-2(lines 229 235) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L510(lines 506 512) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:32:00,818 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L380(lines 365 383) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L380-1(lines 365 383) the Hoare annotation is: false [2019-12-07 10:32:00,818 INFO L242 CegarLoopResult]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2019-12-07 10:32:00,819 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 10:32:00,819 INFO L246 CegarLoopResult]: For program point L397(lines 396 441) no Hoare annotation was computed. [2019-12-07 10:32:00,819 INFO L246 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2019-12-07 10:32:00,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:32:00 BoogieIcfgContainer [2019-12-07 10:32:00,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:32:00,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:32:00,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:32:00,831 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:32:00,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:31:58" (3/4) ... [2019-12-07 10:32:00,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:32:00,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:32:00,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:32:00,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:32:00,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:32:00,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:32:00,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:32:00,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:32:00,867 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 10:32:00,898 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6eb54bd3-7ce5-4779-856e-20bf84143ee9/bin/utaipan/witness.graphml [2019-12-07 10:32:00,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:32:00,899 INFO L168 Benchmark]: Toolchain (without parser) took 3687.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 953.7 MB in the beginning and 811.2 MB in the end (delta: 142.5 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:32:00,899 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:32:00,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:32:00,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:32:00,900 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:32:00,900 INFO L168 Benchmark]: RCFGBuilder took 501.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:32:00,901 INFO L168 Benchmark]: TraceAbstraction took 2689.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 818.1 MB in the end (delta: 208.4 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:32:00,901 INFO L168 Benchmark]: Witness Printer took 67.25 ms. Allocated memory is still 1.2 GB. Free memory was 818.1 MB in the beginning and 811.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:32:00,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 501.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2689.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 818.1 MB in the end (delta: 208.4 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. * Witness Printer took 67.25 ms. Allocated memory is still 1.2 GB. Free memory was 818.1 MB in the beginning and 811.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 206]: 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: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 311 SDtfs, 382 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1113 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 903 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...