./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 ec9c68e540d71032e1f0fa689079da08dc76dcea ...................................................................................................................................... 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_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 ec9c68e540d71032e1f0fa689079da08dc76dcea ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:42,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:29:42,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:29:42,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:29:42,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:29:42,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:29:42,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:29:42,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:29:42,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:29:42,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:29:42,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:29:42,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:29:42,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:29:42,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:29:42,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:29:42,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:29:42,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:29:42,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:29:42,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:29:42,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:29:42,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:29:42,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:29:42,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:29:42,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:29:42,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:29:42,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:29:42,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:29:42,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:29:42,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:29:42,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:29:42,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:29:42,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:29:42,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:29:42,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:29:42,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:29:42,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:29:42,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:29:42,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:29:42,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:29:42,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:29:42,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:29:42,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:29:42,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:29:42,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:29:42,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:29:42,085 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:29:42,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:29:42,085 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:29:42,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:29:42,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:29:42,086 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:29:42,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:29:42,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:29:42,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:29:42,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:29:42,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:29:42,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:29:42,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:29:42,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:29:42,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:29:42,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:29:42,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:29:42,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:29:42,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:29:42,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:29:42,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:29:42,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:29:42,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:29:42,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:29:42,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:29:42,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:29:42,089 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:29:42,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:29:42,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:29:42,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:29:42,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:29:42,090 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_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 -> ec9c68e540d71032e1f0fa689079da08dc76dcea [2019-12-07 16:29:42,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:29:42,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:29:42,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:29:42,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:29:42,209 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:29:42,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2019-12-07 16:29:42,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/4ff8752bb/b152ca9083484ebd9b7b970dfe2d9b85/FLAG45090c89c [2019-12-07 16:29:42,610 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:29:42,610 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2019-12-07 16:29:42,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/4ff8752bb/b152ca9083484ebd9b7b970dfe2d9b85/FLAG45090c89c [2019-12-07 16:29:43,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/4ff8752bb/b152ca9083484ebd9b7b970dfe2d9b85 [2019-12-07 16:29:43,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:29:43,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:29:43,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:43,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:29:43,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:29:43,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:43" (1/1) ... [2019-12-07 16:29:43,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7dba82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:43, skipping insertion in model container [2019-12-07 16:29:43,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:43" (1/1) ... [2019-12-07 16:29:43,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:29:43,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:29:43,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:43,288 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 16:29:43,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@af59d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:43, skipping insertion in model container [2019-12-07 16:29:43,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:43,289 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:29:43,291 INFO L168 Benchmark]: Toolchain (without parser) took 263.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:43,291 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:29:43,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:43,293 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 16:29:44,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:29:44,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:29:44,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:29:44,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:29:44,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:29:44,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:29:44,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:29:44,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:29:44,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:29:44,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:29:44,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:29:44,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:29:44,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:29:44,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:29:44,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:29:44,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:29:44,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:29:44,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:29:44,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:29:44,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:29:44,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:29:44,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:29:44,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:29:44,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:29:44,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:29:44,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:29:44,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:29:44,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:29:44,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:29:44,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:29:44,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:29:44,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:29:44,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:29:44,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:29:44,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:29:44,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:29:44,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:29:44,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:29:44,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:29:44,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:29:44,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:29:44,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:29:44,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:29:44,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:29:44,457 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:29:44,457 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:29:44,457 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:29:44,458 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:29:44,458 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:29:44,458 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:29:44,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:29:44,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:29:44,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:29:44,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:29:44,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:29:44,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:29:44,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:29:44,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:29:44,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:29:44,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:29:44,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:29:44,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:29:44,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:29:44,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:29:44,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:29:44,462 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_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 -> ec9c68e540d71032e1f0fa689079da08dc76dcea [2019-12-07 16:29:44,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:29:44,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:29:44,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:29:44,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:29:44,639 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:29:44,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2019-12-07 16:29:44,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/28e373ad4/8ce9918fde6d47a1b53e694676605e46/FLAGb76b6dc24 [2019-12-07 16:29:45,108 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:29:45,109 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2019-12-07 16:29:45,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/28e373ad4/8ce9918fde6d47a1b53e694676605e46/FLAGb76b6dc24 [2019-12-07 16:29:45,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/data/28e373ad4/8ce9918fde6d47a1b53e694676605e46 [2019-12-07 16:29:45,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:29:45,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:29:45,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:45,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:29:45,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:29:45,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45, skipping insertion in model container [2019-12-07 16:29:45,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:29:45,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:29:45,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:45,711 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:29:45,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:29:45,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:45,759 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:29:45,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:29:45,819 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:29:45,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45 WrapperNode [2019-12-07 16:29:45,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:29:45,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:29:45,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:29:45,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:29:45,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:29:45,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:29:45,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:29:45,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:29:45,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... [2019-12-07 16:29:45,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:29:45,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:29:45,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:29:45,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:29:45,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 16:29:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:29:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:29:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:29:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:29:46,324 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:29:46,325 INFO L287 CfgBuilder]: Removed 74 assume(true) statements. [2019-12-07 16:29:46,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:46 BoogieIcfgContainer [2019-12-07 16:29:46,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:29:46,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:29:46,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:29:46,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:29:46,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:29:45" (1/3) ... [2019-12-07 16:29:46,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c3a968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:29:46, skipping insertion in model container [2019-12-07 16:29:46,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:29:45" (2/3) ... [2019-12-07 16:29:46,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c3a968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:29:46, skipping insertion in model container [2019-12-07 16:29:46,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:46" (3/3) ... [2019-12-07 16:29:46,331 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2019-12-07 16:29:46,337 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:29:46,343 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:29:46,350 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:29:46,366 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:29:46,366 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:29:46,366 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:29:46,366 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:29:46,367 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:29:46,367 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:29:46,367 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:29:46,367 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:29:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-12-07 16:29:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:29:46,381 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:46,382 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:46,382 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:46,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2019-12-07 16:29:46,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:46,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597952998] [2019-12-07 16:29:46,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 16:29:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:46,524 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:29:46,528 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:29:46,539 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 16:29:46,539 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:29:46,543 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 16:29:46,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597952998] [2019-12-07 16:29:46,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:46,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:29:46,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500965089] [2019-12-07 16:29:46,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:29:46,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:29:46,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:29:46,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:29:46,559 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-12-07 16:29:46,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:46,576 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-12-07 16:29:46,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:29:46,577 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:29:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:46,585 INFO L225 Difference]: With dead ends: 119 [2019-12-07 16:29:46,585 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 16:29:46,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:29:46,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 16:29:46,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 16:29:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 16:29:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-12-07 16:29:46,615 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-12-07 16:29:46,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:46,615 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-12-07 16:29:46,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:29:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-12-07 16:29:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:29:46,616 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:46,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:29:46,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:29:46,818 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:46,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:46,818 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2019-12-07 16:29:46,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:46,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600875713] [2019-12-07 16:29:46,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 16:29:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:47,011 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:29:47,012 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:29:47,025 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 16:29:47,025 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:29:47,032 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 16:29:47,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600875713] [2019-12-07 16:29:47,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:47,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:29:47,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648165554] [2019-12-07 16:29:47,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:29:47,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:29:47,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:29:47,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:29:47,035 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 4 states. [2019-12-07 16:29:47,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:47,043 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-12-07 16:29:47,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:29:47,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 16:29:47,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:47,045 INFO L225 Difference]: With dead ends: 59 [2019-12-07 16:29:47,045 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 16:29:47,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:29:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 16:29:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 16:29:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 16:29:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 16:29:47,049 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-12-07 16:29:47,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:47,050 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 16:29:47,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:29:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 16:29:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:29:47,050 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:47,051 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 16:29:47,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:29:47,252 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:47,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:47,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2019-12-07 16:29:47,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:47,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873364453] [2019-12-07 16:29:47,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 16:29:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:47,455 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:29:47,457 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:29:47,473 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 16:29:47,473 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:29:47,480 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 16:29:47,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873364453] [2019-12-07 16:29:47,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:47,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:29:47,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553108104] [2019-12-07 16:29:47,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:29:47,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:29:47,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:29:47,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:29:47,481 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-12-07 16:29:47,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:47,545 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2019-12-07 16:29:47,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:29:47,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:29:47,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:47,547 INFO L225 Difference]: With dead ends: 126 [2019-12-07 16:29:47,547 INFO L226 Difference]: Without dead ends: 102 [2019-12-07 16:29:47,548 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 16:29:47,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-12-07 16:29:47,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2019-12-07 16:29:47,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-12-07 16:29:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2019-12-07 16:29:47,556 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2019-12-07 16:29:47,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:47,556 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2019-12-07 16:29:47,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:29:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2019-12-07 16:29:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:29:47,557 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:29:47,557 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 16:29:47,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:29:47,758 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:29:47,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:29:47,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2019-12-07 16:29:47,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:29:47,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234834225] [2019-12-07 16:29:47,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/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 16:29:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:29:47,951 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:29:47,952 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:29:47,966 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 16:29:47,966 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:29:47,969 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 16:29:47,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234834225] [2019-12-07 16:29:47,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:29:47,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:29:47,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561946878] [2019-12-07 16:29:47,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:29:47,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:29:47,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:29:47,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:29:47,971 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2019-12-07 16:29:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:29:48,047 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2019-12-07 16:29:48,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:29:48,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 16:29:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:29:48,048 INFO L225 Difference]: With dead ends: 148 [2019-12-07 16:29:48,048 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:29:48,049 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 16:29:48,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:29:48,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:29:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:29:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:29:48,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 16:29:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:29:48,050 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:29:48,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:29:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:29:48,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:29:48,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:29:48,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:29:48,487 INFO L246 CegarLoopResult]: For program point L795(lines 795 799) no Hoare annotation was computed. [2019-12-07 16:29:48,488 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-12-07 16:29:48,488 INFO L246 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2019-12-07 16:29:48,488 INFO L242 CegarLoopResult]: At program point L597-1(lines 632 638) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,488 INFO L246 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2019-12-07 16:29:48,488 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:29:48,488 INFO L242 CegarLoopResult]: At program point L862-1(lines 1 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,488 INFO L246 CegarLoopResult]: For program point L862-2(lines 862 879) no Hoare annotation was computed. [2019-12-07 16:29:48,488 INFO L242 CegarLoopResult]: At program point L862-3(lines 1 882) the Hoare annotation is: false [2019-12-07 16:29:48,488 INFO L246 CegarLoopResult]: For program point L862-4(lines 862 879) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L242 CegarLoopResult]: At program point L862-5(lines 1 882) the Hoare annotation is: false [2019-12-07 16:29:48,489 INFO L242 CegarLoopResult]: At program point L632(lines 631 650) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L632-1(lines 632 638) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L242 CegarLoopResult]: At program point L632-2(lines 631 650) the Hoare annotation is: false [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L242 CegarLoopResult]: At program point L632-3(lines 631 650) the Hoare annotation is: false [2019-12-07 16:29:48,489 INFO L249 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L866-2(lines 866 876) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L866-4(lines 866 876) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-12-07 16:29:48,489 INFO L242 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,489 INFO L246 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L867-2(lines 867 873) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L867-4(lines 867 873) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L242 CegarLoopResult]: At program point L735-1(lines 735 741) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,490 INFO L242 CegarLoopResult]: At program point L851(lines 846 853) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:29:48,490 INFO L242 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L242 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L589(lines 589 604) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-12-07 16:29:48,490 INFO L246 CegarLoopResult]: For program point L771-3(lines 771 775) no Hoare annotation was computed. [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L639-1(lines 639 645) the Hoare annotation is: false [2019-12-07 16:29:48,491 INFO L246 CegarLoopResult]: For program point L771-6(lines 771 775) no Hoare annotation was computed. [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L639-2(lines 639 645) the Hoare annotation is: false [2019-12-07 16:29:48,491 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L507(lines 503 509) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:29:48,491 INFO L249 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L691(lines 686 694) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L691-1(lines 686 694) the Hoare annotation is: false [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L691-2(lines 686 694) the Hoare annotation is: false [2019-12-07 16:29:48,491 INFO L246 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-12-07 16:29:48,491 INFO L246 CegarLoopResult]: For program point L460-1(lines 632 638) no Hoare annotation was computed. [2019-12-07 16:29:48,491 INFO L242 CegarLoopResult]: At program point L609(lines 558 610) the Hoare annotation is: false [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L560(lines 559 608) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L242 CegarLoopResult]: At program point L808(lines 803 811) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,492 INFO L242 CegarLoopResult]: At program point L808-1(lines 803 811) the Hoare annotation is: false [2019-12-07 16:29:48,492 INFO L242 CegarLoopResult]: At program point L808-2(lines 803 811) the Hoare annotation is: false [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L759-2(line 759) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L246 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2019-12-07 16:29:48,492 INFO L242 CegarLoopResult]: At program point L579-1(lines 579 585) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 16:29:48,492 INFO L242 CegarLoopResult]: At program point L431(lines 1 882) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 16:29:48,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:29:48 BoogieIcfgContainer [2019-12-07 16:29:48,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:29:48,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:29:48,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:29:48,505 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:29:48,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:29:46" (3/4) ... [2019-12-07 16:29:48,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:29:48,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:29:48,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:29:48,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:29:48,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:29:48,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:29:48,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:29:48,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:29:48,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 16:29:48,565 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e343c84d-25f7-48cc-ad23-501e522ec8b3/bin/utaipan/witness.graphml [2019-12-07 16:29:48,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:29:48,566 INFO L168 Benchmark]: Toolchain (without parser) took 3116.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 947.0 MB in the beginning and 840.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 224.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:48,566 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 16:29:48,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:48,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.09 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 16:29:48,567 INFO L168 Benchmark]: Boogie Preprocessor took 25.13 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:48,567 INFO L168 Benchmark]: RCFGBuilder took 440.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:48,567 INFO L168 Benchmark]: TraceAbstraction took 2177.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 847.6 MB in the end (delta: 167.3 MB). Peak memory consumption was 167.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:48,567 INFO L168 Benchmark]: Witness Printer took 60.41 ms. Allocated memory is still 1.1 GB. Free memory was 847.6 MB in the beginning and 840.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:29:48,568 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 370.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.09 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. * Boogie Preprocessor took 25.13 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2177.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 847.6 MB in the end (delta: 167.3 MB). Peak memory consumption was 167.3 MB. Max. memory is 11.5 GB. * Witness Printer took 60.41 ms. Allocated memory is still 1.1 GB. Free memory was 847.6 MB in the beginning and 840.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 759]: 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: 631]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 245 SDtfs, 281 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 5904 SizeOfPredicates, 7 NumberOfNonLiveVariables, 733 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...