./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/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 689c6600120e9e3c59a213d62d3f14e47f002a87 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:50:02,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:50:02,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:50:02,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:50:02,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:50:02,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:50:02,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:50:02,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:50:02,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:50:02,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:50:02,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:50:02,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:50:02,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:50:02,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:50:02,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:50:02,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:50:02,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:50:02,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:50:02,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:50:02,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:50:02,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:50:02,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:50:02,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:50:02,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:50:02,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:50:02,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:50:02,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:50:02,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:50:02,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:50:02,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:50:02,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:50:02,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:50:02,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:50:02,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:50:02,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:50:02,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:50:02,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:50:02,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:50:02,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:50:02,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:50:02,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:50:02,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-11-26 02:50:02,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:50:02,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:50:02,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:50:02,161 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:50:02,161 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:50:02,162 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:50:02,162 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:50:02,162 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:50:02,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:50:02,162 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:50:02,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:50:02,163 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:50:02,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:50:02,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:50:02,164 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:50:02,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:50:02,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:50:02,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:50:02,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:50:02,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:50:02,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:50:02,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:50:02,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:50:02,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:50:02,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:50:02,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:50:02,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:50:02,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:50:02,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:50:02,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:50:02,168 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:50:02,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:50:02,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:50:02,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:50:02,168 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-11-26 02:50:02,169 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_983b0c58-ba2e-4d5d-9e58-0ec09912441f/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 -> 689c6600120e9e3c59a213d62d3f14e47f002a87 [2019-11-26 02:50:02,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:50:02,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:50:02,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:50:02,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:50:02,322 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:50:02,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2019-11-26 02:50:02,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/data/f0fc70a4f/1cb2dd01a0fc43078de79e7157527bb7/FLAGb5e2fc306 [2019-11-26 02:50:03,154 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:50:03,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2019-11-26 02:50:03,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/data/f0fc70a4f/1cb2dd01a0fc43078de79e7157527bb7/FLAGb5e2fc306 [2019-11-26 02:50:03,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/data/f0fc70a4f/1cb2dd01a0fc43078de79e7157527bb7 [2019-11-26 02:50:03,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:50:03,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:50:03,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:03,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:50:03,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:50:03,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:03" (1/1) ... [2019-11-26 02:50:03,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14322793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:03, skipping insertion in model container [2019-11-26 02:50:03,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:03" (1/1) ... [2019-11-26 02:50:03,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:50:03,569 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:50:06,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:06,764 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:50:07,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:08,487 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:50:08,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08 WrapperNode [2019-11-26 02:50:08,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:08,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:08,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:50:08,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:50:08,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:08,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:50:08,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:50:08,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:50:08,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... [2019-11-26 02:50:08,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:50:08,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:50:08,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:50:08,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:50:08,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/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 [2019-11-26 02:50:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:50:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:50:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:50:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:50:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:50:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:50:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:50:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:50:14,504 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:50:14,505 INFO L284 CfgBuilder]: Removed 124 assume(true) statements. [2019-11-26 02:50:14,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:14 BoogieIcfgContainer [2019-11-26 02:50:14,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:50:14,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:50:14,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:50:14,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:50:14,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:50:03" (1/3) ... [2019-11-26 02:50:14,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc83b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:50:14, skipping insertion in model container [2019-11-26 02:50:14,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:08" (2/3) ... [2019-11-26 02:50:14,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc83b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:50:14, skipping insertion in model container [2019-11-26 02:50:14,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:14" (3/3) ... [2019-11-26 02:50:14,514 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--md--persistent-data--dm-persistent-data.ko-ldv_main3.cil.out.i [2019-11-26 02:50:14,522 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:50:14,529 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:50:14,539 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:50:14,560 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:50:14,560 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:50:14,560 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:50:14,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:50:14,561 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:50:14,561 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:50:14,561 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:50:14,561 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:50:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-26 02:50:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:50:14,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:50:14,580 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:50:14,580 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:50:14,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:50:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash 268934435, now seen corresponding path program 1 times [2019-11-26 02:50:14,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:50:14,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594801427] [2019-11-26 02:50:14,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:50:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:15,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:15,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594801427] [2019-11-26 02:50:15,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:50:15,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:50:15,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158135471] [2019-11-26 02:50:15,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:50:15,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:50:15,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:50:15,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:50:15,064 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-26 02:50:15,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:50:15,086 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2019-11-26 02:50:15,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:50:15,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-26 02:50:15,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:50:15,096 INFO L225 Difference]: With dead ends: 16 [2019-11-26 02:50:15,097 INFO L226 Difference]: Without dead ends: 7 [2019-11-26 02:50:15,100 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:50:15,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-26 02:50:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-26 02:50:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-26 02:50:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-26 02:50:15,131 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-11-26 02:50:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:50:15,132 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-26 02:50:15,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:50:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-26 02:50:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:50:15,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:50:15,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:50:15,133 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:50:15,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:50:15,134 INFO L82 PathProgramCache]: Analyzing trace with hash -252968543, now seen corresponding path program 1 times [2019-11-26 02:50:15,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:50:15,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452894615] [2019-11-26 02:50:15,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:50:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:15,267 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452894615] [2019-11-26 02:50:15,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:50:15,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:50:15,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365847941] [2019-11-26 02:50:15,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:50:15,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:50:15,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:50:15,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:50:15,270 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 3 states. [2019-11-26 02:50:15,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:50:15,271 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-11-26 02:50:15,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:50:15,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-26 02:50:15,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:50:15,272 INFO L225 Difference]: With dead ends: 7 [2019-11-26 02:50:15,272 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:50:15,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:50:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:50:15,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:50:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:50:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:50:15,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-26 02:50:15,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:50:15,274 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:50:15,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:50:15,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:50:15,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:50:15,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:50:15,315 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 11337) no Hoare annotation was computed. [2019-11-26 02:50:15,315 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:50:15,315 INFO L440 ceAbstractionStarter]: At program point L11334-1(lines 11569 11582) the Hoare annotation is: (= 1 ~ldv_mutex_lock~0) [2019-11-26 02:50:15,315 INFO L444 ceAbstractionStarter]: For program point L11334(lines 11576 11579) no Hoare annotation was computed. [2019-11-26 02:50:15,315 INFO L444 ceAbstractionStarter]: For program point L11337-1(line 11337) no Hoare annotation was computed. [2019-11-26 02:50:15,316 INFO L444 ceAbstractionStarter]: For program point L11337(line 11337) no Hoare annotation was computed. [2019-11-26 02:50:15,316 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:50:15,316 INFO L440 ceAbstractionStarter]: At program point L6781(lines 6755 6790) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:50:15,316 INFO L444 ceAbstractionStarter]: For program point L11572(lines 11572 11575) no Hoare annotation was computed. [2019-11-26 02:50:15,316 INFO L440 ceAbstractionStarter]: At program point L6784(lines 6784 6787) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:50:15,316 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11337) no Hoare annotation was computed. [2019-11-26 02:50:15,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:50:15 BoogieIcfgContainer [2019-11-26 02:50:15,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:50:15,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:50:15,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:50:15,328 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:50:15,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:14" (3/4) ... [2019-11-26 02:50:15,336 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:50:15,360 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 167 nodes and edges [2019-11-26 02:50:15,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2019-11-26 02:50:15,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-26 02:50:15,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:50:15,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:50:15,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:50:15,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:50:15,556 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_983b0c58-ba2e-4d5d-9e58-0ec09912441f/bin/utaipan/witness.graphml [2019-11-26 02:50:15,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:50:15,558 INFO L168 Benchmark]: Toolchain (without parser) took 12162.05 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.2 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -95.0 MB). Peak memory consumption was 286.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,558 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:15,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5092.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 242.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,559 INFO L168 Benchmark]: Boogie Preprocessor took 88.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,560 INFO L168 Benchmark]: RCFGBuilder took 5713.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 160.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -83.5 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,560 INFO L168 Benchmark]: TraceAbstraction took 820.11 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,560 INFO L168 Benchmark]: Witness Printer took 228.83 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:15,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 5092.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 242.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 214.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5713.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 160.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -83.5 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 820.11 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * Witness Printer took 228.83 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 11569]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_lock - InvariantResult [Line: 6784]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_lock && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 6755]: Loop Invariant Derived loop invariant: 1 == ldv_mutex_lock && 1 == ldv_mutex_mutex_of_device - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 7 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 17 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...