./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.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_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/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 4c93cb68d7efd5264db4877f0cef6da4a9a585eb ....................................................................................................................................................................... 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_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/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 4c93cb68d7efd5264db4877f0cef6da4a9a585eb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:37:43,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:37:43,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:37:43,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:37:43,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:37:43,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:37:43,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:37:43,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:37:43,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:37:43,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:37:43,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:37:43,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:37:43,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:37:43,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:37:43,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:37:43,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:37:43,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:37:43,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:37:43,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:37:43,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:37:43,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:37:43,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:37:43,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:37:43,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:37:43,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:37:43,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:37:43,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:37:43,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:37:43,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:37:43,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:37:43,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:37:43,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:37:43,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:37:43,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:37:43,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:37:43,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:37:43,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:37:43,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:37:43,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:37:43,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:37:43,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:37:43,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 19:37:43,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:37:43,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:37:43,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:37:43,807 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:37:43,807 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:37:43,807 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:37:43,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:37:43,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:37:43,808 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:37:43,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:37:43,809 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:37:43,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:37:43,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:37:43,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:37:43,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:37:43,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:37:43,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:37:43,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:37:43,811 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 19:37:43,811 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_6751a649-744f-439f-8094-0c118d131c14/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 -> 4c93cb68d7efd5264db4877f0cef6da4a9a585eb [2019-12-07 19:37:43,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:37:43,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:37:43,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:37:43,928 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:37:43,928 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:37:43,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-12-07 19:37:43,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/36f551414/de20d280a36a45f5a820aecac4b71c64/FLAG2b02945eb [2019-12-07 19:37:44,440 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:37:44,440 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-12-07 19:37:44,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/36f551414/de20d280a36a45f5a820aecac4b71c64/FLAG2b02945eb [2019-12-07 19:37:44,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/36f551414/de20d280a36a45f5a820aecac4b71c64 [2019-12-07 19:37:44,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:37:44,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:37:44,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:37:44,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:37:44,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:37:44,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:37:44" (1/1) ... [2019-12-07 19:37:44,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a3f162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:44, skipping insertion in model container [2019-12-07 19:37:44,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:37:44" (1/1) ... [2019-12-07 19:37:44,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:37:44,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:37:45,024 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1015) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:923) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:697) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1336) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 19:37:45,028 INFO L168 Benchmark]: Toolchain (without parser) took 557.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:45,029 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:37:45,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:45,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) 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 19:37:46,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:37:46,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:37:46,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:37:46,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:37:46,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:37:46,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:37:46,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:37:46,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:37:46,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:37:46,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:37:46,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:37:46,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:37:46,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:37:46,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:37:46,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:37:46,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:37:46,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:37:46,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:37:46,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:37:46,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:37:46,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:37:46,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:37:46,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:37:46,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:37:46,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:37:46,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:37:46,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:37:46,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:37:46,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:37:46,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:37:46,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:37:46,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:37:46,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:37:46,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:37:46,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:37:46,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:37:46,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:37:46,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:37:46,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:37:46,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:37:46,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 19:37:46,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:37:46,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:37:46,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:37:46,248 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:37:46,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:37:46,248 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:37:46,248 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:37:46,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:37:46,249 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:37:46,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:37:46,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:37:46,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:37:46,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:37:46,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:37:46,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:37:46,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:37:46,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:37:46,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:37:46,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:37:46,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:37:46,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:37:46,252 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:37:46,252 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:37:46,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:37:46,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:37:46,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:37:46,252 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_6751a649-744f-439f-8094-0c118d131c14/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 -> 4c93cb68d7efd5264db4877f0cef6da4a9a585eb [2019-12-07 19:37:46,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:37:46,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:37:46,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:37:46,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:37:46,427 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:37:46,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-12-07 19:37:46,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/3cc77154e/ee3def35091748479d6305cf6cda70a0/FLAGb29598703 [2019-12-07 19:37:46,988 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:37:46,989 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-12-07 19:37:47,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/3cc77154e/ee3def35091748479d6305cf6cda70a0/FLAGb29598703 [2019-12-07 19:37:47,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/data/3cc77154e/ee3def35091748479d6305cf6cda70a0 [2019-12-07 19:37:47,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:37:47,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:37:47,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:37:47,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:37:47,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:37:47,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:37:47" (1/1) ... [2019-12-07 19:37:47,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffd4e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:47, skipping insertion in model container [2019-12-07 19:37:47,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:37:47" (1/1) ... [2019-12-07 19:37:47,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:37:47,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:37:47,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:37:48,011 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 19:37:48,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:37:48,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:37:48,123 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:37:48,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:37:48,323 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:37:48,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48 WrapperNode [2019-12-07 19:37:48,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:37:48,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:37:48,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:37:48,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:37:48,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:37:48,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:37:48,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:37:48,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:37:48,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... [2019-12-07 19:37:48,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:37:48,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:37:48,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:37:48,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:37:48,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/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 19:37:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 19:37:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 19:37:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 19:37:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 19:37:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 19:37:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:37:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:37:49,163 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:37:49,163 INFO L287 CfgBuilder]: Removed 103 assume(true) statements. [2019-12-07 19:37:49,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:37:49 BoogieIcfgContainer [2019-12-07 19:37:49,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:37:49,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:37:49,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:37:49,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:37:49,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:37:47" (1/3) ... [2019-12-07 19:37:49,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1a0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:37:49, skipping insertion in model container [2019-12-07 19:37:49,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:37:48" (2/3) ... [2019-12-07 19:37:49,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1a0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:37:49, skipping insertion in model container [2019-12-07 19:37:49,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:37:49" (3/3) ... [2019-12-07 19:37:49,171 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-12-07 19:37:49,180 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:37:49,186 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 19:37:49,194 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-07 19:37:49,211 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:37:49,211 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:37:49,211 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:37:49,211 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:37:49,211 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:37:49,211 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:37:49,211 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:37:49,211 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:37:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2019-12-07 19:37:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 19:37:49,226 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:37:49,227 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:37:49,227 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:37:49,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:37:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash -653167126, now seen corresponding path program 1 times [2019-12-07 19:37:49,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:37:49,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355782078] [2019-12-07 19:37:49,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/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 19:37:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:37:49,414 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 19:37:49,419 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:37:49,442 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 19:37:49,442 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:37:49,446 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 19:37:49,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355782078] [2019-12-07 19:37:49,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:37:49,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:37:49,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702453745] [2019-12-07 19:37:49,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:37:49,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:37:49,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:37:49,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:37:49,467 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2019-12-07 19:37:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:37:49,516 INFO L93 Difference]: Finished difference Result 223 states and 289 transitions. [2019-12-07 19:37:49,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:37:49,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-07 19:37:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:37:49,530 INFO L225 Difference]: With dead ends: 223 [2019-12-07 19:37:49,530 INFO L226 Difference]: Without dead ends: 140 [2019-12-07 19:37:49,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:37:49,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-07 19:37:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-12-07 19:37:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 19:37:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 178 transitions. [2019-12-07 19:37:49,569 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 178 transitions. Word has length 9 [2019-12-07 19:37:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:37:49,570 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 178 transitions. [2019-12-07 19:37:49,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:37:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 178 transitions. [2019-12-07 19:37:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 19:37:49,571 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:37:49,571 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, 1, 1, 1, 1, 1] [2019-12-07 19:37:49,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:37:49,773 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:37:49,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:37:49,773 INFO L82 PathProgramCache]: Analyzing trace with hash -217429113, now seen corresponding path program 1 times [2019-12-07 19:37:49,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:37:49,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46480707] [2019-12-07 19:37:49,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/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 19:37:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:37:50,121 INFO L264 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 19:37:50,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:37:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 19:37:50,141 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:37:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 19:37:50,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46480707] [2019-12-07 19:37:50,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:37:50,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 19:37:50,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896679820] [2019-12-07 19:37:50,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 19:37:50,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:37:50,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 19:37:50,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 19:37:50,160 INFO L87 Difference]: Start difference. First operand 140 states and 178 transitions. Second operand 6 states. [2019-12-07 19:37:50,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:37:50,193 INFO L93 Difference]: Finished difference Result 274 states and 349 transitions. [2019-12-07 19:37:50,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:37:50,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2019-12-07 19:37:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:37:50,196 INFO L225 Difference]: With dead ends: 274 [2019-12-07 19:37:50,196 INFO L226 Difference]: Without dead ends: 140 [2019-12-07 19:37:50,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 19:37:50,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-07 19:37:50,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-12-07 19:37:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 19:37:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 177 transitions. [2019-12-07 19:37:50,209 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 177 transitions. Word has length 40 [2019-12-07 19:37:50,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:37:50,209 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 177 transitions. [2019-12-07 19:37:50,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 19:37:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2019-12-07 19:37:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-07 19:37:50,211 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:37:50,211 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, 1, 1, 1, 1, 1, 1] [2019-12-07 19:37:50,411 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:37:50,412 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:37:50,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:37:50,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1828149605, now seen corresponding path program 1 times [2019-12-07 19:37:50,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:37:50,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131646221] [2019-12-07 19:37:50,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6751a649-744f-439f-8094-0c118d131c14/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 19:37:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:37:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:37:52,356 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 19:37:52,356 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:37:52,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:37:52,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-12-07 19:37:52,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-12-07 19:37:52,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:37:52 BoogieIcfgContainer [2019-12-07 19:37:52,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:37:52,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:37:52,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:37:52,658 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:37:52,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:37:49" (3/4) ... [2019-12-07 19:37:52,660 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:37:52,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:37:52,662 INFO L168 Benchmark]: Toolchain (without parser) took 5412.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:52,662 INFO L168 Benchmark]: CDTParser took 0.15 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 19:37:52,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1072.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.6 MB in the beginning and 990.4 MB in the end (delta: -48.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:52,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.14 ms. Allocated memory is still 1.2 GB. Free memory was 990.4 MB in the beginning and 983.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:52,664 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 1.2 GB. Free memory was 983.4 MB in the beginning and 976.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:52,664 INFO L168 Benchmark]: RCFGBuilder took 727.25 ms. Allocated memory is still 1.2 GB. Free memory was 976.3 MB in the beginning and 893.8 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:37:52,664 INFO L168 Benchmark]: TraceAbstraction took 3491.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 893.8 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:37:52,665 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:37:52,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 1072.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.6 MB in the beginning and 990.4 MB in the end (delta: -48.8 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.14 ms. Allocated memory is still 1.2 GB. Free memory was 990.4 MB in the beginning and 983.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.07 ms. Allocated memory is still 1.2 GB. Free memory was 983.4 MB in the beginning and 976.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 727.25 ms. Allocated memory is still 1.2 GB. Free memory was 976.3 MB in the beginning and 893.8 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3491.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 893.8 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.29 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4281]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4171. Possible FailurePath: [L3634] static int major ; [L3635] static int index ; [L3960-L3961] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4159-L4160] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4161-L4164] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4165-L4166] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4188] struct virtio_device_id const __mod_virtio_device_table ; [L4193] int LDV_IN_INTERRUPT ; [L4334] int ldv_blk_rq = 0; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=0, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4196] struct block_device *var_group1 ; [L4197] fmode_t var_virtblk_ioctl_5_p1 ; [L4198] unsigned int var_virtblk_ioctl_5_p2 ; [L4199] unsigned long var_virtblk_ioctl_5_p3 ; [L4200] struct hd_geometry *var_group2 ; [L4201] int tmp ; [L4202] int tmp___0 ; [L4203] int tmp___1 ; [L4205] LDV_IN_INTERRUPT = 1 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4169] int tmp ; [L4171] CALL, EXPR register_blkdev(0U, "virtblk") [L4517] return __VERIFIER_nondet_int(); [L4171] major = register_blkdev(0U, "virtblk") [L4172] COND FALSE !(major < 0) [L4521] return __VERIFIER_nondet_int(); [L4176] tmp = register_virtio_driver(& virtio_blk) [L4177] return (tmp); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4208] tmp = init() [L4209] COND FALSE !(tmp != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4230] tmp___1 = __VERIFIER_nondet_int() [L4231] COND TRUE tmp___1 != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4215] tmp___0 = __VERIFIER_nondet_int() [L4217] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L3898] struct gendisk *disk ; [L3899] struct virtio_blk *vblk ; [L3900] void *usr_data ; [L3901] char id_str[20U] ; [L3902] int err ; [L3903] int tmp ; [L3904] bool tmp___0 ; [L3905] int tmp___1 ; [L3906] int tmp___2 ; [L3908] EXPR bdev->bd_disk [L3908] disk = bdev->bd_disk [L3909] EXPR disk->private_data [L3909] vblk = (struct virtio_blk *)disk->private_data [L3910] COND TRUE cmd == 1447184708U [L3911] usr_data = (void *)data [L3865] struct virtio_blk *vblk ; [L3866] struct request *req ; [L3867] struct bio *bio ; [L3868] long tmp ; [L3869] long tmp___0 ; [L3870] long tmp___1 ; [L3871] long tmp___2 ; [L3872] int tmp___3 ; [L3874] EXPR disk->private_data [L3874] vblk = (struct virtio_blk *)disk->private_data [L3875] EXPR vblk->disk [L3875] EXPR (vblk->disk)->queue [L3442] COND FALSE !(__VERIFIER_nondet_int()) [L3447] return ((void *)0); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4413] return ldv_malloc(sizeof(struct bio)); [L3875] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4260] long tmp ; [L4293] return ((unsigned long )ptr > 2012UL); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4262] tmp = ldv_is_err(ptr) [L4263] return (tmp); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L3876] tmp___0 = IS_ERR((void const *)bio) [L3877] COND FALSE !(tmp___0 != 0L) [L3882] EXPR vblk->disk [L3882] EXPR (vblk->disk)->queue [L4269] ldv_func_ret_type___3 ldv_func_res ; [L4270] struct request *tmp ; [L3442] COND FALSE !(__VERIFIER_nondet_int()) [L3447] return ((void *)0); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4429] return ldv_malloc(sizeof(struct request)); [L4272] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4273] ldv_func_res = tmp [L4337] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4339] COND TRUE ldv_blk_rq == 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4343] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4344] ldv_blk_rq = 1 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4275] return (ldv_func_res); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L3882] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4260] long tmp ; [L4293] return ((unsigned long )ptr > 2012UL); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4262] tmp = ldv_is_err(ptr) [L4263] return (tmp); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L3883] tmp___2 = IS_ERR((void const *)req) [L3884] COND FALSE !(tmp___2 != 0L) [L3890] req->cmd_type = 7 [L3891] EXPR vblk->disk [L3891] EXPR (vblk->disk)->queue [L3891] EXPR vblk->disk [L4423] return __VERIFIER_nondet_int(); [L3891] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3892] return (tmp___3); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L3912] err = virtblk_get_id(disk, (char *)(& id_str)) [L3913] COND FALSE !(err == 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L3921] return (err); [L3921] return (err); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4230] tmp___1 = __VERIFIER_nondet_int() [L4231] COND FALSE !(tmp___1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4371] COND FALSE !(ldv_blk_rq == 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] [L4281] __VERIFIER_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={536871890:0}, id_table={-1073740862:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={1342178258:0}, virtio_blk={-1879047214:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 2 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 214 SDtfs, 94 SDslu, 471 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 3784 SizeOfPredicates, 4 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...