./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.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_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ...................................................................................................................................... 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_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:23:19,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:23:19,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:23:19,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:23:19,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:23:19,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:23:19,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:23:19,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:23:19,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:23:19,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:23:19,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:23:19,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:23:19,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:23:19,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:23:19,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:23:19,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:23:19,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:23:19,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:23:19,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:23:19,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:23:19,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:23:19,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:23:19,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:23:19,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:23:19,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:23:19,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:23:19,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:23:19,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:23:19,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:23:19,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:23:19,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:23:19,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:23:19,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:23:19,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:23:19,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:23:19,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:23:19,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:23:19,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:23:19,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:23:19,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:23:19,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:23:19,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:23:19,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:23:19,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:23:19,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:23:19,548 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:23:19,548 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:23:19,548 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:23:19,548 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:23:19,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:23:19,549 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:23:19,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:23:19,550 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:23:19,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:23:19,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:23:19,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:23:19,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:23:19,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:23:19,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:23:19,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:23:19,553 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_f60dcc86-e036-4110-99ea-7dd499f74765/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2019-12-07 16:23:19,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:23:19,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:23:19,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:23:19,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:23:19,670 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:23:19,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-12-07 16:23:19,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/ad38057d4/22d3fdfba18a4372a0a8cb035b7ae6cb/FLAG2d722f743 [2019-12-07 16:23:20,084 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:23:20,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-12-07 16:23:20,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/ad38057d4/22d3fdfba18a4372a0a8cb035b7ae6cb/FLAG2d722f743 [2019-12-07 16:23:20,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/ad38057d4/22d3fdfba18a4372a0a8cb035b7ae6cb [2019-12-07 16:23:20,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:23:20,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:23:20,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:23:20,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:23:20,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:23:20,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:23:20" (1/1) ... [2019-12-07 16:23:20,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a368b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:20, skipping insertion in model container [2019-12-07 16:23:20,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:23:20" (1/1) ... [2019-12-07 16:23:20,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:23:20,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:23:20,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:23:20,746 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 16:23:20,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@155a61e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:20, skipping insertion in model container [2019-12-07 16:23:20,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:23:20,747 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:23:20,749 INFO L168 Benchmark]: Toolchain (without parser) took 285.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:20,750 INFO L168 Benchmark]: CDTParser took 0.17 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 16:23:20,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:20,752 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 283.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 236]: 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 16:23:21,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:23:21,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:23:21,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:23:21,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:23:21,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:23:21,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:23:21,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:23:21,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:23:21,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:23:21,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:23:21,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:23:21,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:23:21,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:23:21,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:23:21,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:23:21,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:23:21,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:23:21,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:23:21,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:23:21,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:23:21,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:23:21,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:23:21,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:23:21,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:23:21,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:23:21,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:23:21,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:23:21,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:23:21,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:23:21,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:23:21,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:23:21,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:23:21,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:23:21,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:23:21,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:23:21,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:23:21,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:23:21,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:23:21,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:23:21,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:23:21,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:23:21,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:23:21,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:23:21,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:23:21,923 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:23:21,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:23:21,924 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:23:21,924 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:23:21,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:23:21,924 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:23:21,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:23:21,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:23:21,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:23:21,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:23:21,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:23:21,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:23:21,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:23:21,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:23:21,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:23:21,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:23:21,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:23:21,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:23:21,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:23:21,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:23:21,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:23:21,929 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_f60dcc86-e036-4110-99ea-7dd499f74765/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2019-12-07 16:23:22,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:23:22,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:23:22,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:23:22,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:23:22,133 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:23:22,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-12-07 16:23:22,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/41ccca97b/256b828f89f84c379fda2118af2c028b/FLAG484000e7d [2019-12-07 16:23:22,707 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:23:22,707 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-12-07 16:23:22,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/41ccca97b/256b828f89f84c379fda2118af2c028b/FLAG484000e7d [2019-12-07 16:23:23,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/data/41ccca97b/256b828f89f84c379fda2118af2c028b [2019-12-07 16:23:23,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:23:23,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:23:23,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:23:23,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:23:23,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:23:23,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afbba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23, skipping insertion in model container [2019-12-07 16:23:23,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:23:23,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:23:23,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:23:23,435 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:23:23,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:23:23,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:23:23,501 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:23:23,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:23:23,573 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:23:23,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23 WrapperNode [2019-12-07 16:23:23,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:23:23,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:23:23,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:23:23,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:23:23,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:23:23,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:23:23,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:23:23,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:23:23,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... [2019-12-07 16:23:23,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:23:23,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:23:23,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:23:23,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:23:23,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 16:23:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:23:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:23:23,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:23:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:23:24,233 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:23:24,233 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-07 16:23:24,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:23:24 BoogieIcfgContainer [2019-12-07 16:23:24,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:23:24,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:23:24,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:23:24,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:23:24,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:23:23" (1/3) ... [2019-12-07 16:23:24,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32893d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:23:24, skipping insertion in model container [2019-12-07 16:23:24,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:23:23" (2/3) ... [2019-12-07 16:23:24,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32893d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:23:24, skipping insertion in model container [2019-12-07 16:23:24,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:23:24" (3/3) ... [2019-12-07 16:23:24,241 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2019-12-07 16:23:24,248 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:23:24,252 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:23:24,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:23:24,276 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:23:24,276 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:23:24,276 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:23:24,276 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:23:24,276 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:23:24,276 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:23:24,276 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:23:24,276 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:23:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-12-07 16:23:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:23:24,292 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:23:24,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:23:24,293 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:23:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:23:24,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2019-12-07 16:23:24,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:23:24,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538740927] [2019-12-07 16:23:24,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 16:23:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:23:24,447 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:23:24,451 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:23:24,461 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 16:23:24,461 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:23:24,465 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 16:23:24,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538740927] [2019-12-07 16:23:24,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:23:24,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:23:24,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848893123] [2019-12-07 16:23:24,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:23:24,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:23:24,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:23:24,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:23:24,481 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-12-07 16:23:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:23:24,506 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-12-07 16:23:24,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:23:24,507 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:23:24,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:23:24,517 INFO L225 Difference]: With dead ends: 204 [2019-12-07 16:23:24,518 INFO L226 Difference]: Without dead ends: 101 [2019-12-07 16:23:24,521 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 16:23:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-12-07 16:23:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-12-07 16:23:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-12-07 16:23:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-12-07 16:23:24,554 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-12-07 16:23:24,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:23:24,554 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-12-07 16:23:24,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:23:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-12-07 16:23:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:23:24,555 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:23:24,555 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 16:23:24,756 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:23:24,757 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:23:24,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:23:24,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2019-12-07 16:23:24,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:23:24,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310927223] [2019-12-07 16:23:24,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 16:23:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:23:24,922 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:23:24,923 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:23:24,936 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 16:23:24,936 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:23:24,944 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 16:23:24,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310927223] [2019-12-07 16:23:24,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:23:24,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:23:24,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45188948] [2019-12-07 16:23:24,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:23:24,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:23:24,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:23:24,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:23:24,946 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 4 states. [2019-12-07 16:23:24,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:23:24,960 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-12-07 16:23:24,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:23:24,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 16:23:24,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:23:24,962 INFO L225 Difference]: With dead ends: 101 [2019-12-07 16:23:24,962 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 16:23:24,963 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 16:23:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 16:23:24,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 16:23:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 16:23:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-12-07 16:23:24,969 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-12-07 16:23:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:23:24,969 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-12-07 16:23:24,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:23:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-12-07 16:23:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:23:24,970 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:23:24,970 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 16:23:25,171 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:23:25,172 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:23:25,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:23:25,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2019-12-07 16:23:25,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:23:25,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815901378] [2019-12-07 16:23:25,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 16:23:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:23:25,319 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:23:25,320 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:23:25,327 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 16:23:25,327 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:23:25,333 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 16:23:25,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815901378] [2019-12-07 16:23:25,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:23:25,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:23:25,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535984397] [2019-12-07 16:23:25,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:23:25,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:23:25,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:23:25,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:23:25,335 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 4 states. [2019-12-07 16:23:25,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:23:25,383 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-12-07 16:23:25,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:23:25,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 16:23:25,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:23:25,384 INFO L225 Difference]: With dead ends: 80 [2019-12-07 16:23:25,384 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 16:23:25,385 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 16:23:25,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 16:23:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 16:23:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 16:23:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-12-07 16:23:25,389 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-12-07 16:23:25,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:23:25,389 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-12-07 16:23:25,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:23:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-12-07 16:23:25,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:23:25,390 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:23:25,390 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 16:23:25,591 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:23:25,592 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:23:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:23:25,593 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2019-12-07 16:23:25,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:23:25,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594146287] [2019-12-07 16:23:25,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 16:23:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:23:25,724 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:23:25,725 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:23:25,739 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 16:23:25,739 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:23:25,745 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 16:23:25,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594146287] [2019-12-07 16:23:25,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:23:25,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:23:25,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107906016] [2019-12-07 16:23:25,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:23:25,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:23:25,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:23:25,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:23:25,747 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2019-12-07 16:23:25,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:23:25,832 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2019-12-07 16:23:25,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:23:25,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:23:25,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:23:25,834 INFO L225 Difference]: With dead ends: 204 [2019-12-07 16:23:25,835 INFO L226 Difference]: Without dead ends: 167 [2019-12-07 16:23:25,835 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 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 16:23:25,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-12-07 16:23:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2019-12-07 16:23:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 16:23:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2019-12-07 16:23:25,845 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2019-12-07 16:23:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:23:25,845 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2019-12-07 16:23:25,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:23:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-12-07 16:23:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:23:25,846 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:23:25,847 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, 1] [2019-12-07 16:23:26,047 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:23:26,048 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:23:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:23:26,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2019-12-07 16:23:26,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:23:26,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251995714] [2019-12-07 16:23:26,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/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 16:23:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:23:26,193 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:23:26,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:23:26,206 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 16:23:26,207 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:23:26,209 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 16:23:26,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251995714] [2019-12-07 16:23:26,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:23:26,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:23:26,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338530155] [2019-12-07 16:23:26,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:23:26,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:23:26,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:23:26,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:23:26,210 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2019-12-07 16:23:26,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:23:26,274 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2019-12-07 16:23:26,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:23:26,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 16:23:26,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:23:26,275 INFO L225 Difference]: With dead ends: 174 [2019-12-07 16:23:26,275 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:23:26,276 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 16:23:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:23:26,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:23:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:23:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:23:26,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 16:23:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:23:26,278 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:23:26,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:23:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:23:26,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:23:26,478 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:23:26,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:23:26,785 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-12-07 16:23:26,785 INFO L242 CegarLoopResult]: At program point L630(lines 625 633) the Hoare annotation is: false [2019-12-07 16:23:26,785 INFO L242 CegarLoopResult]: At program point L630-1(lines 625 633) 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 16:23:26,785 INFO L242 CegarLoopResult]: At program point L630-2(lines 625 633) the Hoare annotation is: false [2019-12-07 16:23:26,785 INFO L242 CegarLoopResult]: At program point L630-3(lines 625 633) the Hoare annotation is: false [2019-12-07 16:23:26,786 INFO L242 CegarLoopResult]: At program point L630-4(lines 625 633) the Hoare annotation is: false [2019-12-07 16:23:26,786 INFO L242 CegarLoopResult]: At program point L630-5(lines 625 633) the Hoare annotation is: false [2019-12-07 16:23:26,786 INFO L246 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-12-07 16:23:26,786 INFO L242 CegarLoopResult]: At program point L895-1(lines 895 901) 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 16:23:26,786 INFO L242 CegarLoopResult]: At program point L797(lines 792 800) 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 16:23:26,786 INFO L242 CegarLoopResult]: At program point L797-1(lines 792 800) the Hoare annotation is: false [2019-12-07 16:23:26,786 INFO L242 CegarLoopResult]: At program point L797-2(lines 792 800) the Hoare annotation is: false [2019-12-07 16:23:26,786 INFO L249 CegarLoopResult]: At program point L203(lines 184 206) the Hoare annotation is: true [2019-12-07 16:23:26,786 INFO L242 CegarLoopResult]: At program point L170(lines 166 172) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:23:26,787 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L671(lines 666 674) the Hoare annotation is: false [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L671-1(lines 666 674) the Hoare annotation is: false [2019-12-07 16:23:26,787 INFO L246 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L671-2(lines 666 674) the Hoare annotation is: false [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L671-3(lines 666 674) the Hoare annotation is: false [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L671-4(lines 666 674) the Hoare annotation is: false [2019-12-07 16:23:26,787 INFO L242 CegarLoopResult]: At program point L671-5(lines 666 674) the Hoare annotation is: false [2019-12-07 16:23:26,787 INFO L246 CegarLoopResult]: For program point L905(lines 905 918) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L578-2(line 578) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L876(lines 875 922) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L744(lines 744 761) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L744-1(lines 744 761) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L744-2(lines 744 761) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L877(lines 877 881) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L242 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: false [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,788 INFO L246 CegarLoopResult]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-3(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-5(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-6(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-8(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-9(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-11(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-12(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-14(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-15(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L846-17(lines 846 850) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2019-12-07 16:23:26,789 INFO L246 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L242 CegarLoopResult]: At program point L913-2(lines 686 692) 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 16:23:26,790 INFO L246 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L246 CegarLoopResult]: For program point L748-1(lines 748 756) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L246 CegarLoopResult]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L246 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L246 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L242 CegarLoopResult]: At program point L89-1(lines 1 930) 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 16:23:26,790 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L242 CegarLoopResult]: At program point L89-3(lines 1 930) the Hoare annotation is: false [2019-12-07 16:23:26,790 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2019-12-07 16:23:26,790 INFO L242 CegarLoopResult]: At program point L89-5(lines 1 930) the Hoare annotation is: false [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L123-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L718-3(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L718-4(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point L718-5(lines 718 735) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:23:26,791 INFO L242 CegarLoopResult]: At program point L686(lines 685 704) 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 16:23:26,792 INFO L246 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L686-2(lines 685 704) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L686-3(lines 685 704) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L246 CegarLoopResult]: For program point L885(lines 885 891) no Hoare annotation was computed. [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L885-1(lines 885 891) 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 16:23:26,792 INFO L242 CegarLoopResult]: At program point L852(lines 837 855) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L852-1(lines 837 855) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L852-2(lines 837 855) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L852-3(lines 837 855) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L852-4(lines 837 855) the Hoare annotation is: false [2019-12-07 16:23:26,792 INFO L242 CegarLoopResult]: At program point L852-5(lines 837 855) the Hoare annotation is: false [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L242 CegarLoopResult]: At program point L788(lines 781 791) the Hoare annotation is: false [2019-12-07 16:23:26,793 INFO L242 CegarLoopResult]: At program point L788-1(lines 781 791) the Hoare annotation is: false [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L242 CegarLoopResult]: At program point L788-2(lines 781 791) the Hoare annotation is: false [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L722-3(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:23:26,793 INFO L246 CegarLoopResult]: For program point L722-4(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point L722-5(lines 722 730) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L249 CegarLoopResult]: At program point L194-1(lines 194 201) the Hoare annotation is: true [2019-12-07 16:23:26,794 INFO L242 CegarLoopResult]: At program point L923(lines 874 924) the Hoare annotation is: false [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point L593-3(lines 593 597) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point L593-6(lines 593 597) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L242 CegarLoopResult]: At program point L65(lines 1 930) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-12-07 16:23:26,794 INFO L242 CegarLoopResult]: At program point L693(lines 693 699) 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 16:23:26,795 INFO L242 CegarLoopResult]: At program point L693-1(lines 693 699) the Hoare annotation is: false [2019-12-07 16:23:26,795 INFO L242 CegarLoopResult]: At program point L693-2(lines 693 699) the Hoare annotation is: false [2019-12-07 16:23:26,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:23:26 BoogieIcfgContainer [2019-12-07 16:23:26,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:23:26,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:23:26,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:23:26,810 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:23:26,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:23:24" (3/4) ... [2019-12-07 16:23:26,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:23:26,829 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:23:26,830 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:23:26,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:23:26,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:23:26,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:23:26,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:23:26,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:23:26,868 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 16:23:26,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f60dcc86-e036-4110-99ea-7dd499f74765/bin/utaipan/witness.graphml [2019-12-07 16:23:26,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:23:26,910 INFO L168 Benchmark]: Toolchain (without parser) took 3744.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -198.9 MB). Peak memory consumption was 297.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:26,910 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 16:23:26,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -110.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:26,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.99 ms. Allocated memory is still 1.1 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 16:23:26,911 INFO L168 Benchmark]: Boogie Preprocessor took 30.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:23:26,911 INFO L168 Benchmark]: RCFGBuilder took 585.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:26,911 INFO L168 Benchmark]: TraceAbstraction took 2574.29 ms. Allocated memory is still 1.1 GB. Free memory was 977.9 MB in the beginning and 752.1 MB in the end (delta: 225.8 MB). Peak memory consumption was 225.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:26,911 INFO L168 Benchmark]: Witness Printer took 98.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.2 MB). Free memory was 752.1 MB in the beginning and 1.2 GB in the end (delta: -399.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:23:26,912 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 408.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -110.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.99 ms. Allocated memory is still 1.1 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 30.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 585.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2574.29 ms. Allocated memory is still 1.1 GB. Free memory was 977.9 MB in the beginning and 752.1 MB in the end (delta: 225.8 MB). Peak memory consumption was 225.8 MB. Max. memory is 11.5 GB. * Witness Printer took 98.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.2 MB). Free memory was 752.1 MB in the beginning and 1.2 GB in the end (delta: -399.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: 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: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 412 SDtfs, 529 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 167 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1422 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 7084 SizeOfPredicates, 8 NumberOfNonLiveVariables, 908 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...