./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/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 64bit --witnessprinter.graph.data.programhash 8a86e259c83ba45b1c49d177e1b075e49ba00372 .................................................................................................................................... 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_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/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 64bit --witnessprinter.graph.data.programhash 8a86e259c83ba45b1c49d177e1b075e49ba00372 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:07:35,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:07:35,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:07:35,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:07:35,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:07:35,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:07:35,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:07:35,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:07:35,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:07:35,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:07:35,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:07:35,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:07:35,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:07:35,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:07:35,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:07:35,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:07:35,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:07:35,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:07:35,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:07:35,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:07:35,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:07:35,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:07:35,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:07:35,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:07:35,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:07:35,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:07:35,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:07:35,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:07:35,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:07:35,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:07:35,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:07:35,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:07:35,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:07:35,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:07:35,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:07:35,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:07:35,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:07:35,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:07:35,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:07:35,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:07:35,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:07:35,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 22:07:36,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:07:36,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:07:36,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:07:36,003 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:07:36,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:07:36,004 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:07:36,004 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 22:07:36,004 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:07:36,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:07:36,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 22:07:36,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 22:07:36,005 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:07:36,005 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 22:07:36,005 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 22:07:36,005 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 22:07:36,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:07:36,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 22:07:36,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:07:36,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:07:36,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:07:36,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:07:36,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:07:36,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:07:36,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:07:36,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:07:36,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:07:36,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:07:36,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:07:36,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:07:36,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:07:36,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:07:36,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:07:36,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 22:07:36,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 22:07:36,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:07:36,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:07:36,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:07:36,010 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 22:07:36,010 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_36559989-9055-4ce4-9bf9-af9514d76cc5/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a86e259c83ba45b1c49d177e1b075e49ba00372 [2019-12-07 22:07:36,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:07:36,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:07:36,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:07:36,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:07:36,129 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:07:36,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-12-07 22:07:36,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/7339c150c/7bb8b71a74ed44589aca4784f3003b94/FLAG745a70cf8 [2019-12-07 22:07:36,648 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:07:36,648 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-12-07 22:07:36,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/7339c150c/7bb8b71a74ed44589aca4784f3003b94/FLAG745a70cf8 [2019-12-07 22:07:37,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/7339c150c/7bb8b71a74ed44589aca4784f3003b94 [2019-12-07 22:07:37,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:07:37,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:07:37,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:37,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:07:37,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:07:37,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:37" (1/1) ... [2019-12-07 22:07:37,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3569f4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:37, skipping insertion in model container [2019-12-07 22:07:37,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:37" (1/1) ... [2019-12-07 22:07:37,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:07:37,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:37,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:37,970 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 22:07:37,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7277a09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:37, skipping insertion in model container [2019-12-07 22:07:37,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:37,971 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 22:07:37,973 INFO L168 Benchmark]: Toolchain (without parser) took 818.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:37,974 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 22:07:37,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:07:37,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 816.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5961]: 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 22:07:39,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 22:07:39,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 22:07:39,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 22:07:39,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 22:07:39,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 22:07:39,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 22:07:39,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 22:07:39,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 22:07:39,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 22:07:39,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 22:07:39,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 22:07:39,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 22:07:39,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 22:07:39,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 22:07:39,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 22:07:39,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 22:07:39,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 22:07:39,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 22:07:39,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 22:07:39,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 22:07:39,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 22:07:39,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 22:07:39,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 22:07:39,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 22:07:39,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 22:07:39,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 22:07:39,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 22:07:39,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 22:07:39,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 22:07:39,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 22:07:39,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 22:07:39,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 22:07:39,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 22:07:39,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 22:07:39,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 22:07:39,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 22:07:39,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 22:07:39,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 22:07:39,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 22:07:39,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 22:07:39,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 22:07:39,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 22:07:39,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 22:07:39,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 22:07:39,188 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 22:07:39,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 22:07:39,188 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 22:07:39,188 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 22:07:39,188 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 22:07:39,188 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 22:07:39,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 22:07:39,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 22:07:39,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 22:07:39,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 22:07:39,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 22:07:39,190 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 22:07:39,190 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 22:07:39,190 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 22:07:39,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 22:07:39,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 22:07:39,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 22:07:39,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 22:07:39,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 22:07:39,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 22:07:39,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 22:07:39,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 22:07:39,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 22:07:39,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 22:07:39,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 22:07:39,193 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 22:07:39,193 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 22:07:39,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 22:07:39,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 22:07:39,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 22:07:39,194 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_36559989-9055-4ce4-9bf9-af9514d76cc5/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a86e259c83ba45b1c49d177e1b075e49ba00372 [2019-12-07 22:07:39,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 22:07:39,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 22:07:39,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 22:07:39,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 22:07:39,375 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 22:07:39,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-12-07 22:07:39,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/987dc084c/afd00753d7c2431dbb66725e78326fe3/FLAG0dfb18bef [2019-12-07 22:07:39,878 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 22:07:39,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-12-07 22:07:39,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/987dc084c/afd00753d7c2431dbb66725e78326fe3/FLAG0dfb18bef [2019-12-07 22:07:39,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/data/987dc084c/afd00753d7c2431dbb66725e78326fe3 [2019-12-07 22:07:39,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 22:07:39,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 22:07:39,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:39,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 22:07:39,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 22:07:39,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:39" (1/1) ... [2019-12-07 22:07:39,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:39, skipping insertion in model container [2019-12-07 22:07:39,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:39" (1/1) ... [2019-12-07 22:07:39,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 22:07:39,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:40,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:40,678 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 22:07:40,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 22:07:40,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:40,827 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 22:07:40,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 22:07:41,008 INFO L208 MainTranslator]: Completed translation [2019-12-07 22:07:41,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41 WrapperNode [2019-12-07 22:07:41,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 22:07:41,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 22:07:41,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 22:07:41,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 22:07:41,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 22:07:41,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 22:07:41,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 22:07:41,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 22:07:41,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... [2019-12-07 22:07:41,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 22:07:41,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 22:07:41,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 22:07:41,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 22:07:41,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/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 22:07:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 22:07:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 22:07:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 22:07:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 22:07:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 22:07:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 22:07:44,237 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 22:07:44,237 INFO L287 CfgBuilder]: Removed 127 assume(true) statements. [2019-12-07 22:07:44,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:44 BoogieIcfgContainer [2019-12-07 22:07:44,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 22:07:44,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 22:07:44,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 22:07:44,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 22:07:44,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:07:39" (1/3) ... [2019-12-07 22:07:44,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d5914c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:44, skipping insertion in model container [2019-12-07 22:07:44,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:41" (2/3) ... [2019-12-07 22:07:44,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d5914c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:07:44, skipping insertion in model container [2019-12-07 22:07:44,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:44" (3/3) ... [2019-12-07 22:07:44,246 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2019-12-07 22:07:44,254 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 22:07:44,259 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-12-07 22:07:44,266 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 22:07:44,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 22:07:44,284 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 22:07:44,284 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 22:07:44,284 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 22:07:44,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 22:07:44,285 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 22:07:44,285 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 22:07:44,285 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 22:07:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2019-12-07 22:07:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 22:07:44,303 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:44,303 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, 1, 1] [2019-12-07 22:07:44,304 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:44,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1079717372, now seen corresponding path program 1 times [2019-12-07 22:07:44,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:44,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270175252] [2019-12-07 22:07:44,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/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 22:07:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:45,117 INFO L264 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:07:45,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:45,159 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 22:07:45,159 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:45,175 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 22:07:45,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270175252] [2019-12-07 22:07:45,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 22:07:45,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 22:07:45,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743986615] [2019-12-07 22:07:45,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 22:07:45,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:45,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 22:07:45,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 22:07:45,192 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 4 states. [2019-12-07 22:07:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:45,236 INFO L93 Difference]: Finished difference Result 272 states and 395 transitions. [2019-12-07 22:07:45,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 22:07:45,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2019-12-07 22:07:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:45,246 INFO L225 Difference]: With dead ends: 272 [2019-12-07 22:07:45,246 INFO L226 Difference]: Without dead ends: 132 [2019-12-07 22:07:45,249 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 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 22:07:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-12-07 22:07:45,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-12-07 22:07:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 22:07:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 178 transitions. [2019-12-07 22:07:45,280 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 178 transitions. Word has length 27 [2019-12-07 22:07:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:45,280 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 178 transitions. [2019-12-07 22:07:45,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 22:07:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2019-12-07 22:07:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 22:07:45,282 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:45,282 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1, 1] [2019-12-07 22:07:45,483 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 22:07:45,483 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:45,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:45,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1314989380, now seen corresponding path program 1 times [2019-12-07 22:07:45,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:45,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748836238] [2019-12-07 22:07:45,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/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 22:07:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:46,270 INFO L264 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:46,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:46,310 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:46,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748836238] [2019-12-07 22:07:46,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1980834267] [2019-12-07 22:07:46,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:46,863 INFO L264 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:46,865 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:46,880 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:46,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:46,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2019-12-07 22:07:46,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808477000] [2019-12-07 22:07:46,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:46,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:46,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:46,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:46,884 INFO L87 Difference]: Start difference. First operand 132 states and 178 transitions. Second operand 3 states. [2019-12-07 22:07:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:47,014 INFO L93 Difference]: Finished difference Result 331 states and 463 transitions. [2019-12-07 22:07:47,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:47,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-12-07 22:07:47,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:47,016 INFO L225 Difference]: With dead ends: 331 [2019-12-07 22:07:47,016 INFO L226 Difference]: Without dead ends: 219 [2019-12-07 22:07:47,017 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:47,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-12-07 22:07:47,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 205. [2019-12-07 22:07:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-12-07 22:07:47,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 292 transitions. [2019-12-07 22:07:47,030 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 292 transitions. Word has length 29 [2019-12-07 22:07:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:47,030 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 292 transitions. [2019-12-07 22:07:47,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 292 transitions. [2019-12-07 22:07:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 22:07:47,031 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:47,031 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1] [2019-12-07 22:07:47,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk,3 mathsat -unsat_core_generation=3 [2019-12-07 22:07:47,434 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:47,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2066094573, now seen corresponding path program 1 times [2019-12-07 22:07:47,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:47,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58243741] [2019-12-07 22:07:47,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/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 22:07:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:48,212 INFO L264 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:48,215 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:48,251 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:48,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [58243741] [2019-12-07 22:07:48,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1521807719] [2019-12-07 22:07:48,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:48,713 INFO L264 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:48,715 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:48,730 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:48,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:48,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2019-12-07 22:07:48,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978637586] [2019-12-07 22:07:48,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:48,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:48,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:48,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:48,734 INFO L87 Difference]: Start difference. First operand 205 states and 292 transitions. Second operand 3 states. [2019-12-07 22:07:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:48,741 INFO L93 Difference]: Finished difference Result 205 states and 292 transitions. [2019-12-07 22:07:48,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:48,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-12-07 22:07:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:48,743 INFO L225 Difference]: With dead ends: 205 [2019-12-07 22:07:48,743 INFO L226 Difference]: Without dead ends: 203 [2019-12-07 22:07:48,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-12-07 22:07:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2019-12-07 22:07:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-12-07 22:07:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 290 transitions. [2019-12-07 22:07:48,755 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 290 transitions. Word has length 32 [2019-12-07 22:07:48,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:48,755 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 290 transitions. [2019-12-07 22:07:48,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 290 transitions. [2019-12-07 22:07:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 22:07:48,756 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:48,756 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:49,157 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:49,158 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:49,159 INFO L82 PathProgramCache]: Analyzing trace with hash -375571194, now seen corresponding path program 1 times [2019-12-07 22:07:49,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:49,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69755134] [2019-12-07 22:07:49,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:49,904 INFO L264 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:49,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:49,933 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:49,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69755134] [2019-12-07 22:07:49,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1093250004] [2019-12-07 22:07:49,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:50,376 INFO L264 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:50,378 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:50,392 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:50,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:50,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2019-12-07 22:07:50,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505514526] [2019-12-07 22:07:50,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:50,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:50,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:50,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:50,396 INFO L87 Difference]: Start difference. First operand 203 states and 290 transitions. Second operand 3 states. [2019-12-07 22:07:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:50,402 INFO L93 Difference]: Finished difference Result 203 states and 290 transitions. [2019-12-07 22:07:50,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:50,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 22:07:50,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:50,404 INFO L225 Difference]: With dead ends: 203 [2019-12-07 22:07:50,404 INFO L226 Difference]: Without dead ends: 201 [2019-12-07 22:07:50,404 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:50,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2019-12-07 22:07:50,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2019-12-07 22:07:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-12-07 22:07:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 288 transitions. [2019-12-07 22:07:50,414 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 288 transitions. Word has length 33 [2019-12-07 22:07:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:50,414 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 288 transitions. [2019-12-07 22:07:50,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 288 transitions. [2019-12-07 22:07:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 22:07:50,415 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:50,415 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:50,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:50,817 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:50,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1242201367, now seen corresponding path program 1 times [2019-12-07 22:07:50,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:50,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208230876] [2019-12-07 22:07:50,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:51,533 INFO L264 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:51,534 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:51,560 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:51,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208230876] [2019-12-07 22:07:51,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [807779270] [2019-12-07 22:07:51,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:52,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:52,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:52,054 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:52,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:52,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2019-12-07 22:07:52,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631241623] [2019-12-07 22:07:52,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:52,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:52,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:52,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:52,059 INFO L87 Difference]: Start difference. First operand 201 states and 288 transitions. Second operand 3 states. [2019-12-07 22:07:52,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:52,067 INFO L93 Difference]: Finished difference Result 201 states and 288 transitions. [2019-12-07 22:07:52,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:52,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 22:07:52,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:52,069 INFO L225 Difference]: With dead ends: 201 [2019-12-07 22:07:52,070 INFO L226 Difference]: Without dead ends: 199 [2019-12-07 22:07:52,070 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:52,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-12-07 22:07:52,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2019-12-07 22:07:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-12-07 22:07:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 286 transitions. [2019-12-07 22:07:52,081 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 286 transitions. Word has length 34 [2019-12-07 22:07:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:52,081 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 286 transitions. [2019-12-07 22:07:52,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 286 transitions. [2019-12-07 22:07:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 22:07:52,083 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:52,083 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:07:52,486 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:52,487 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:52,488 INFO L82 PathProgramCache]: Analyzing trace with hash -146456784, now seen corresponding path program 1 times [2019-12-07 22:07:52,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:52,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950689530] [2019-12-07 22:07:52,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:53,238 INFO L264 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:53,240 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:53,266 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 22:07:53,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950689530] [2019-12-07 22:07:53,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1874456828] [2019-12-07 22:07:53,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:53,693 INFO L264 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:53,694 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:53,708 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 22:07:53,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:53,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2019-12-07 22:07:53,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521547663] [2019-12-07 22:07:53,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:53,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:53,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:53,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:53,714 INFO L87 Difference]: Start difference. First operand 199 states and 286 transitions. Second operand 3 states. [2019-12-07 22:07:53,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:53,741 INFO L93 Difference]: Finished difference Result 550 states and 811 transitions. [2019-12-07 22:07:53,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:53,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-07 22:07:53,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:53,744 INFO L225 Difference]: With dead ends: 550 [2019-12-07 22:07:53,744 INFO L226 Difference]: Without dead ends: 365 [2019-12-07 22:07:53,746 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:53,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-12-07 22:07:53,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 363. [2019-12-07 22:07:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-12-07 22:07:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 533 transitions. [2019-12-07 22:07:53,764 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 533 transitions. Word has length 35 [2019-12-07 22:07:53,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:53,765 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 533 transitions. [2019-12-07 22:07:53,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 533 transitions. [2019-12-07 22:07:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 22:07:53,767 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:53,767 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 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 22:07:54,167 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 mathsat -unsat_core_generation=3 [2019-12-07 22:07:54,168 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:54,168 INFO L82 PathProgramCache]: Analyzing trace with hash -2065246217, now seen corresponding path program 1 times [2019-12-07 22:07:54,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:54,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367382233] [2019-12-07 22:07:54,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:54,970 INFO L264 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:54,972 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 22:07:55,002 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 22:07:55,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367382233] [2019-12-07 22:07:55,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [5628547] [2019-12-07 22:07:55,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:55,479 INFO L264 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 22:07:55,481 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 22:07:55,494 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 22:07:55,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 22:07:55,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2019-12-07 22:07:55,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761362365] [2019-12-07 22:07:55,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 22:07:55,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:07:55,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 22:07:55,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:55,498 INFO L87 Difference]: Start difference. First operand 363 states and 533 transitions. Second operand 3 states. [2019-12-07 22:07:57,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:07:57,624 INFO L93 Difference]: Finished difference Result 706 states and 1045 transitions. [2019-12-07 22:07:57,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 22:07:57,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-12-07 22:07:57,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:07:57,626 INFO L225 Difference]: With dead ends: 706 [2019-12-07 22:07:57,626 INFO L226 Difference]: Without dead ends: 363 [2019-12-07 22:07:57,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-07 22:07:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-12-07 22:07:57,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2019-12-07 22:07:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-12-07 22:07:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 531 transitions. [2019-12-07 22:07:57,638 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 531 transitions. Word has length 54 [2019-12-07 22:07:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:07:57,638 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 531 transitions. [2019-12-07 22:07:57,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 22:07:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 531 transitions. [2019-12-07 22:07:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 22:07:57,639 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:07:57,640 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 1] [2019-12-07 22:07:58,040 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:07:58,041 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:07:58,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:07:58,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1458880716, now seen corresponding path program 1 times [2019-12-07 22:07:58,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:07:58,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920617106] [2019-12-07 22:07:58,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 22:07:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:07:58,858 INFO L264 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:07:58,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:07:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 22:07:58,891 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:07:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 22:07:58,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920617106] [2019-12-07 22:07:58,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131348615] [2019-12-07 22:07:58,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:08:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:08:00,341 INFO L264 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:08:00,343 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:08:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 22:08:00,347 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:08:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 22:08:00,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752154767] [2019-12-07 22:08:00,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 22:08:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:08:00,994 INFO L264 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 22:08:00,996 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:08:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 22:08:01,063 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:08:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 22:08:01,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2019-12-07 22:08:01,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [5, 5, 5, 5] total 13 [2019-12-07 22:08:01,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632176110] [2019-12-07 22:08:01,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 22:08:01,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:08:01,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 22:08:01,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-12-07 22:08:01,083 INFO L87 Difference]: Start difference. First operand 363 states and 531 transitions. Second operand 7 states. [2019-12-07 22:08:01,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:08:01,265 INFO L93 Difference]: Finished difference Result 1341 states and 2010 transitions. [2019-12-07 22:08:01,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 22:08:01,265 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-12-07 22:08:01,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:08:01,270 INFO L225 Difference]: With dead ends: 1341 [2019-12-07 22:08:01,270 INFO L226 Difference]: Without dead ends: 998 [2019-12-07 22:08:01,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2019-12-07 22:08:01,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2019-12-07 22:08:01,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 361. [2019-12-07 22:08:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2019-12-07 22:08:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 529 transitions. [2019-12-07 22:08:01,289 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 529 transitions. Word has length 55 [2019-12-07 22:08:01,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:08:01,289 INFO L462 AbstractCegarLoop]: Abstraction has 361 states and 529 transitions. [2019-12-07 22:08:01,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 22:08:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 529 transitions. [2019-12-07 22:08:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 22:08:01,290 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 22:08:01,290 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 22:08:01,891 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3,16 cvc4 --incremental --print-success --lang smt --rewrite-divk,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 22:08:01,892 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 22:08:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 22:08:01,893 INFO L82 PathProgramCache]: Analyzing trace with hash -914076557, now seen corresponding path program 1 times [2019-12-07 22:08:01,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 22:08:01,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533255564] [2019-12-07 22:08:01,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2019-12-07 22:08:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:08:02,657 INFO L264 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:08:02,659 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:08:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 22:08:02,687 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:08:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 22:08:02,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533255564] [2019-12-07 22:08:02,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1714973932] [2019-12-07 22:08:02,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:08:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:08:04,163 INFO L264 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 22:08:04,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:08:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 22:08:04,168 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:08:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 22:08:04,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396059577] [2019-12-07 22:08:04,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 22:08:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 22:08:04,808 INFO L264 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 22:08:04,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 22:08:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 22:08:04,871 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 22:08:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 22:08:04,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2019-12-07 22:08:04,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5, 5, 5] total 14 [2019-12-07 22:08:04,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950001188] [2019-12-07 22:08:04,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 22:08:04,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 22:08:04,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 22:08:04,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2019-12-07 22:08:04,918 INFO L87 Difference]: Start difference. First operand 361 states and 529 transitions. Second operand 8 states. [2019-12-07 22:08:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 22:08:05,011 INFO L93 Difference]: Finished difference Result 512 states and 761 transitions. [2019-12-07 22:08:05,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 22:08:05,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2019-12-07 22:08:05,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 22:08:05,012 INFO L225 Difference]: With dead ends: 512 [2019-12-07 22:08:05,012 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 22:08:05,012 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2019-12-07 22:08:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 22:08:05,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 22:08:05,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 22:08:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 22:08:05,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-12-07 22:08:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 22:08:05,013 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 22:08:05,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 22:08:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 22:08:05,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 22:08:05,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 22:08:05,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 22:08:06,156 INFO L246 CegarLoopResult]: For program point L6014(line 6014) no Hoare annotation was computed. [2019-12-07 22:08:06,156 INFO L246 CegarLoopResult]: For program point L6113(line 6113) no Hoare annotation was computed. [2019-12-07 22:08:06,156 INFO L246 CegarLoopResult]: For program point L6080(lines 6080 6084) no Hoare annotation was computed. [2019-12-07 22:08:06,156 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6319) no Hoare annotation was computed. [2019-12-07 22:08:06,156 INFO L242 CegarLoopResult]: At program point L6312(lines 1 7019) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,156 INFO L246 CegarLoopResult]: For program point L6114(lines 6114 6150) no Hoare annotation was computed. [2019-12-07 22:08:06,156 INFO L249 CegarLoopResult]: At program point L6213(lines 5965 6215) the Hoare annotation is: true [2019-12-07 22:08:06,156 INFO L246 CegarLoopResult]: For program point L6015(lines 6015 6030) no Hoare annotation was computed. [2019-12-07 22:08:06,156 INFO L242 CegarLoopResult]: At program point L7006(lines 7005 7007) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,156 INFO L242 CegarLoopResult]: At program point L5751(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L5751-1(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L5751-4(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L5751-5(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L5751-2(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L5751-3(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L5751-6(lines 5743 5753) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L246 CegarLoopResult]: For program point L6181(line 6181) no Hoare annotation was computed. [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L6974(lines 6973 6975) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L246 CegarLoopResult]: For program point L6842(lines 6842 6845) no Hoare annotation was computed. [2019-12-07 22:08:06,157 INFO L242 CegarLoopResult]: At program point L6908(lines 1 7019) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,157 INFO L246 CegarLoopResult]: For program point L6842-1(lines 6842 6845) no Hoare annotation was computed. [2019-12-07 22:08:06,157 INFO L246 CegarLoopResult]: For program point L6050(line 6050) no Hoare annotation was computed. [2019-12-07 22:08:06,157 INFO L246 CegarLoopResult]: For program point L6116(lines 6116 6147) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6017(lines 6017 6027) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L242 CegarLoopResult]: At program point L6282(lines 6277 6284) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)))) (.cse1 (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) .cse0 (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32)) .cse2) (and (not (bvsge ULTIMATE.start_ldv_undef_int_negative_~ret~0 (_ bv0 32))) .cse0 (not (bvsge |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32))) (not (bvsge |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (not (bvsge |ULTIMATE.start_ldv_undef_int_negative_#res| (_ bv0 32))) .cse2))) [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6051(lines 6051 6111) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6018(line 6018) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6117(line 6117) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6118(lines 6118 6123) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6019(lines 6019 6023) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L242 CegarLoopResult]: At program point L7010(lines 7009 7011) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6086(line 6086) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6152(line 6152) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L242 CegarLoopResult]: At program point L6978(lines 6977 6979) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6053(lines 6053 6108) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6318(line 6318) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6318-4(line 6318) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6318-3(line 6318) no Hoare annotation was computed. [2019-12-07 22:08:06,158 INFO L246 CegarLoopResult]: For program point L6318-2(line 6318) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6318-1(line 6318) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6087(lines 6087 6094) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6054(line 6054) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6153(lines 6153 6168) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6318-5(line 6318) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L242 CegarLoopResult]: At program point L6847(lines 6839 6849) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6319) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6055(lines 6055 6063) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6155(lines 6155 6165) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6188(line 6188) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L242 CegarLoopResult]: At program point L7014(lines 7013 7015) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6089(lines 6089 6092) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L242 CegarLoopResult]: At program point L5759(lines 5754 5761) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6319) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6189(lines 6189 6204) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6156(line 6156) no Hoare annotation was computed. [2019-12-07 22:08:06,159 INFO L246 CegarLoopResult]: For program point L6057(lines 6057 6061) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L242 CegarLoopResult]: At program point L5826(lines 5823 5828) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,160 INFO L242 CegarLoopResult]: At program point L5826-3(lines 5823 5828) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,160 INFO L242 CegarLoopResult]: At program point L5826-1(lines 5823 5828) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,160 INFO L242 CegarLoopResult]: At program point L5826-2(lines 5823 5828) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6319) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6157(lines 6157 6161) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6025(line 6025) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6191(lines 6191 6201) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6125(line 6125) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6951(lines 6950 6968) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6319) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6126(lines 6126 6143) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6192(line 6192) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6193(lines 6193 6197) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L242 CegarLoopResult]: At program point L5962(lines 5956 5964) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6128-2(lines 6126 6142) no Hoare annotation was computed. [2019-12-07 22:08:06,160 INFO L246 CegarLoopResult]: For program point L6128(lines 6128 6136) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6096(line 6096) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6955(lines 6950 6968) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6163(line 6163) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6097(lines 6097 6104) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L242 CegarLoopResult]: At program point L5767(lines 5762 5769) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,161 INFO L242 CegarLoopResult]: At program point L5767-1(lines 5762 5769) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6329-1(lines 6329 6332) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6329(lines 6329 6332) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6065(line 6065) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6032(line 6032) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6099(lines 6099 6102) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6066(lines 6066 6071) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L242 CegarLoopResult]: At program point L6991(lines 6990 6992) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6033(lines 6033 6048) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6066-2(lines 6053 6108) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6199(line 6199) no Hoare annotation was computed. [2019-12-07 22:08:06,161 INFO L246 CegarLoopResult]: For program point L6959(lines 6950 6968) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6035(lines 6035 6045) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L242 CegarLoopResult]: At program point L6333(lines 6322 6335) the Hoare annotation is: (and (not (bvsge ULTIMATE.start_ldv_undef_int_negative_~ret~0 (_ bv0 32))) (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (not (bvsge |ULTIMATE.start_ldv_undef_int_negative_#res| (_ bv0 32))) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6036(line 6036) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L5838(lines 5838 5841) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L242 CegarLoopResult]: At program point L6995(lines 6994 6996) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6037(lines 6037 6041) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6170(line 6170) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L242 CegarLoopResult]: At program point L5939(lines 5934 5941) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,162 INFO L249 CegarLoopResult]: At program point L6963(lines 6948 6969) the Hoare annotation is: true [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6171(lines 6171 6186) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L242 CegarLoopResult]: At program point L6304(lines 6293 6306) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,162 INFO L242 CegarLoopResult]: At program point L6139(lines 6951 6954) the Hoare annotation is: (and (= (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6106(line 6106) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6932(lines 6932 6938) no Hoare annotation was computed. [2019-12-07 22:08:06,162 INFO L246 CegarLoopResult]: For program point L6206(line 6206) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L6173(lines 6173 6183) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L242 CegarLoopResult]: At program point L6999(lines 6998 7000) the Hoare annotation is: (and (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (_ bv0 32) ULTIMATE.start_m5632_recover_~r~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L6174(line 6174) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L6175(lines 6175 6179) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L6043(line 6043) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L242 CegarLoopResult]: At program point L6209(lines 5988 6214) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L242 CegarLoopResult]: At program point L7002(lines 7001 7003) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1-4(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L-1-6(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L6903-1(lines 6903 6906) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6319) no Hoare annotation was computed. [2019-12-07 22:08:06,163 INFO L246 CegarLoopResult]: For program point L6903(lines 6903 6906) no Hoare annotation was computed. [2019-12-07 22:08:06,164 INFO L242 CegarLoopResult]: At program point L-1-8(line -1) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (_ bv0 32) ~ldv_state_variable_6~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,164 INFO L246 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,164 INFO L242 CegarLoopResult]: At program point L7002-1(lines 7001 7003) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,164 INFO L246 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2019-12-07 22:08:06,164 INFO L242 CegarLoopResult]: At program point L6937(lines 6926 6940) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32)))) (.cse1 (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (bvsge ULTIMATE.start_ldv_undef_int_negative_~ret~0 (_ bv0 32))) .cse0 (not (bvsge |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32))) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (not (bvsge |ULTIMATE.start_ldv_undef_int_negative_#res| (_ bv0 32))) .cse2) (and (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) .cse0 (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32)) .cse1 .cse2))) [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-2(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-3(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-1(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-6(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-7(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-4(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-5(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L249 CegarLoopResult]: At program point L5781-8(lines 5780 5783) the Hoare annotation is: true [2019-12-07 22:08:06,164 INFO L246 CegarLoopResult]: For program point L6079(line 6079) no Hoare annotation was computed. [2019-12-07 22:08:06,164 INFO L246 CegarLoopResult]: For program point L6145(line 6145) no Hoare annotation was computed. [2019-12-07 22:08:06,164 INFO L242 CegarLoopResult]: At program point L6971(lines 6970 6972) the Hoare annotation is: (and (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~ldv_mutex_i_mutex_of_inode~0 (_ bv4294967295 32))) (= (_ bv0 32) ULTIMATE.start_m5632_recover_~r~0) (= (bvadd ~ldv_mutex_udev~0 (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd ~ldv_mutex_mutex_of_device~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| (_ bv0 32)) (= (bvadd ~ldv_mutex_lock~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 22:08:06,165 INFO L246 CegarLoopResult]: For program point L6013(lines 6013 6208) no Hoare annotation was computed. [2019-12-07 22:08:06,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:08:06 BoogieIcfgContainer [2019-12-07 22:08:06,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 22:08:06,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 22:08:06,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 22:08:06,187 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 22:08:06,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:44" (3/4) ... [2019-12-07 22:08:06,190 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 22:08:06,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2019-12-07 22:08:06,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-07 22:08:06,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 22:08:06,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:08:06,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 22:08:06,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!~bvsge32(ret, 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) || ((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) [2019-12-07 22:08:06,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) || (((((((!~bvsge32(ret, 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) [2019-12-07 22:08:06,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~bvsge32(ret, 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 [2019-12-07 22:08:06,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && 0bv32 == r) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 [2019-12-07 22:08:06,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && 0bv32 == r) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 [2019-12-07 22:08:06,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_36559989-9055-4ce4-9bf9-af9514d76cc5/bin/utaipan/witness.graphml [2019-12-07 22:08:06,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 22:08:06,407 INFO L168 Benchmark]: Toolchain (without parser) took 26494.47 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 424.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 298.1 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,408 INFO L168 Benchmark]: CDTParser took 0.17 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 22:08:06,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1095.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 941.6 MB in the beginning and 953.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 152.8 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.55 ms. Allocated memory is still 1.2 GB. Free memory was 953.2 MB in the beginning and 946.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,408 INFO L168 Benchmark]: Boogie Preprocessor took 71.67 ms. Allocated memory is still 1.2 GB. Free memory was 946.2 MB in the beginning and 932.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,409 INFO L168 Benchmark]: RCFGBuilder took 3073.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 932.2 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 158.0 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,409 INFO L168 Benchmark]: TraceAbstraction took 21946.88 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 159.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -137.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,409 INFO L168 Benchmark]: Witness Printer took 219.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 167.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. [2019-12-07 22:08:06,411 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1095.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 941.6 MB in the beginning and 953.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 152.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.55 ms. Allocated memory is still 1.2 GB. Free memory was 953.2 MB in the beginning and 946.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.67 ms. Allocated memory is still 1.2 GB. Free memory was 946.2 MB in the beginning and 932.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3073.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 932.2 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 158.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21946.88 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 159.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -137.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Witness Printer took 219.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 167.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6319]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 5988]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6293]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6839]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6277]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) || (((((((!~bvsge32(ret, 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) - InvariantResult [Line: 5956]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5754]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6926]: Loop Invariant Derived loop invariant: ((((((!~bvsge32(ret, 0bv32) && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) || ((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32) - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6998]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && 0bv32 == r) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 7009]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5762]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 7013]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5934]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6948]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6973]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5762]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5823]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5823]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5823]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5743]: Loop Invariant Derived loop invariant: (((0bv32 == ldv_state_variable_6 && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5823]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6977]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6970]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32)) && 0bv32 == r) && ~bvadd64(ldv_mutex_udev, 4294967294bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6951]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6990]: Loop Invariant Derived loop invariant: ((~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32 && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && 0bv32 == ldv_state_variable_6) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6994]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 7005]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6322]: Loop Invariant Derived loop invariant: ((((!~bvsge32(ret, 0bv32) && ~bvadd64(ldv_mutex_i_mutex_of_inode, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_udev, 4294967295bv32) == 0bv32) && ~bvadd64(ldv_mutex_mutex_of_device, 4294967295bv32) == 0bv32) && !~bvsge32(\result, 0bv32)) && ~bvadd64(ldv_mutex_lock, 4294967295bv32) == 0bv32 - InvariantResult [Line: 5780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 143 locations, 6 error locations. Result: SAFE, OverallTime: 21.3s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 2065 SDtfs, 2378 SDslu, 3423 SDs, 0 SdLazy, 93 SolverSat, 9 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1585 GetRequests, 1510 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 653 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 141 NumberOfFragments, 922 HoareAnnotationTreeSize, 48 FomulaSimplifications, 6559 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 10.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 806 NumberOfCodeBlocks, 806 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1574 ConstructedInterpolants, 0 QuantifiedInterpolants, 122079 SizeOfPredicates, 60 NumberOfNonLiveVariables, 24090 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 38 InterpolantComputations, 18 PerfectInterpolantSequences, 140/200 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...