./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.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_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/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 ae6bf1ad2ead676f8a2d8a3073a010b0d23cb528 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:20:14,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:20:14,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:20:14,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:20:14,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:20:14,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:20:14,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:20:14,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:20:14,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:20:14,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:20:14,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:20:14,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:20:14,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:20:14,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:20:14,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:20:14,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:20:14,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:20:14,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:20:14,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:20:14,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:20:14,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:20:14,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:20:14,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:20:14,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:20:14,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:20:14,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:20:14,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:20:14,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:20:14,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:20:14,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:20:14,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:20:14,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:20:14,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:20:14,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:20:14,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:20:14,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:20:14,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:20:14,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:20:14,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:20:14,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:20:14,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:20:14,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-11-26 02:20:14,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:20:14,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:20:14,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:20:14,597 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:20:14,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:20:14,598 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:20:14,598 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:20:14,598 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:20:14,598 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:20:14,598 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:20:14,599 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:20:14,599 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:20:14,600 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:20:14,600 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:20:14,600 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:20:14,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:20:14,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:20:14,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:20:14,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:20:14,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:20:14,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:20:14,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:20:14,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:20:14,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:20:14,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:20:14,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:20:14,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:20:14,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:20:14,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:20:14,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:20:14,604 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:20:14,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:20:14,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:20:14,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:20:14,604 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-11-26 02:20:14,605 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_be377a18-4245-442d-8cb7-a682af588a3e/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 -> ae6bf1ad2ead676f8a2d8a3073a010b0d23cb528 [2019-11-26 02:20:14,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:20:14,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:20:14,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:20:14,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:20:14,770 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:20:14,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-11-26 02:20:14,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/data/9f6f3497d/4f2cab579b0d4d8c9639b9ad00e5e726/FLAG841eb909b [2019-11-26 02:20:15,547 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:20:15,547 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-11-26 02:20:15,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/data/9f6f3497d/4f2cab579b0d4d8c9639b9ad00e5e726/FLAG841eb909b [2019-11-26 02:20:15,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/data/9f6f3497d/4f2cab579b0d4d8c9639b9ad00e5e726 [2019-11-26 02:20:15,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:20:15,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:20:15,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:20:15,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:20:15,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:20:15,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:20:15" (1/1) ... [2019-11-26 02:20:15,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3168427c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:15, skipping insertion in model container [2019-11-26 02:20:15,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:20:15" (1/1) ... [2019-11-26 02:20:15,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:20:15,964 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:20:17,257 WARN L612 FunctionHandler]: implicit declaration of function ldv_malloc [2019-11-26 02:20:17,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:20:17,301 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:20:17,664 WARN L612 FunctionHandler]: implicit declaration of function ldv_malloc [2019-11-26 02:20:17,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:20:17,758 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:20:17,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17 WrapperNode [2019-11-26 02:20:17,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:20:17,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:20:17,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:20:17,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:20:17,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:17,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:17,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:20:17,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:20:17,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:20:17,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:20:17,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:17,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:17,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:17,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:18,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:18,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:18,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... [2019-11-26 02:20:18,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:20:18,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:20:18,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:20:18,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:20:18,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/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 02:20:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:20:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-26 02:20:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:20:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:20:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:20:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:20:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-26 02:20:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:20:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:20:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:20:25,797 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:20:25,798 INFO L284 CfgBuilder]: Removed 161 assume(true) statements. [2019-11-26 02:20:25,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:20:25 BoogieIcfgContainer [2019-11-26 02:20:25,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:20:25,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:20:25,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:20:25,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:20:25,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:20:15" (1/3) ... [2019-11-26 02:20:25,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179b2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:20:25, skipping insertion in model container [2019-11-26 02:20:25,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:20:17" (2/3) ... [2019-11-26 02:20:25,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179b2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:20:25, skipping insertion in model container [2019-11-26 02:20:25,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:20:25" (3/3) ... [2019-11-26 02:20:25,805 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-11-26 02:20:25,813 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:20:25,820 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:20:25,830 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:20:25,854 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:20:25,854 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:20:25,854 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:20:25,854 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:20:25,854 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:20:25,855 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:20:25,855 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:20:25,855 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:20:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2019-11-26 02:20:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:20:25,879 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:20:25,880 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:20:25,880 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:20:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:20:25,885 INFO L82 PathProgramCache]: Analyzing trace with hash -619104491, now seen corresponding path program 1 times [2019-11-26 02:20:25,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:20:25,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565220403] [2019-11-26 02:20:25,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:20:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:20:26,428 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 02:20:26,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565220403] [2019-11-26 02:20:26,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:20:26,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:20:26,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575341522] [2019-11-26 02:20:26,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:20:26,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:20:26,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:20:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:20:26,449 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 3 states. [2019-11-26 02:20:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:20:26,516 INFO L93 Difference]: Finished difference Result 160 states and 265 transitions. [2019-11-26 02:20:26,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:20:26,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:20:26,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:20:26,528 INFO L225 Difference]: With dead ends: 160 [2019-11-26 02:20:26,529 INFO L226 Difference]: Without dead ends: 97 [2019-11-26 02:20:26,532 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 02:20:26,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-11-26 02:20:26,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-11-26 02:20:26,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-26 02:20:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 156 transitions. [2019-11-26 02:20:26,576 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 156 transitions. Word has length 9 [2019-11-26 02:20:26,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:20:26,576 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 156 transitions. [2019-11-26 02:20:26,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:20:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2019-11-26 02:20:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:20:26,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:20:26,578 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:20:26,578 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:20:26,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:20:26,579 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463040, now seen corresponding path program 1 times [2019-11-26 02:20:26,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:20:26,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248875902] [2019-11-26 02:20:26,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:20:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:20:26,706 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 02:20:26,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248875902] [2019-11-26 02:20:26,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:20:26,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:20:26,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859499826] [2019-11-26 02:20:26,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:20:26,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:20:26,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:20:26,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:20:26,709 INFO L87 Difference]: Start difference. First operand 97 states and 156 transitions. Second operand 3 states. [2019-11-26 02:20:26,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:20:26,721 INFO L93 Difference]: Finished difference Result 97 states and 156 transitions. [2019-11-26 02:20:26,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:20:26,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-26 02:20:26,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:20:26,728 INFO L225 Difference]: With dead ends: 97 [2019-11-26 02:20:26,728 INFO L226 Difference]: Without dead ends: 95 [2019-11-26 02:20:26,729 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 02:20:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-26 02:20:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-26 02:20:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-26 02:20:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 154 transitions. [2019-11-26 02:20:26,749 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 154 transitions. Word has length 11 [2019-11-26 02:20:26,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:20:26,749 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 154 transitions. [2019-11-26 02:20:26,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:20:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2019-11-26 02:20:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:20:26,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:20:26,750 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:20:26,750 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:20:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:20:26,751 INFO L82 PathProgramCache]: Analyzing trace with hash 953154136, now seen corresponding path program 1 times [2019-11-26 02:20:26,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:20:26,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418582931] [2019-11-26 02:20:26,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:20:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:20:26,893 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 02:20:26,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418582931] [2019-11-26 02:20:26,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:20:26,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:20:26,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223823948] [2019-11-26 02:20:26,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:20:26,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:20:26,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:20:26,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:20:26,895 INFO L87 Difference]: Start difference. First operand 95 states and 154 transitions. Second operand 3 states. [2019-11-26 02:20:26,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:20:26,909 INFO L93 Difference]: Finished difference Result 95 states and 154 transitions. [2019-11-26 02:20:26,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:20:26,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:20:26,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:20:26,915 INFO L225 Difference]: With dead ends: 95 [2019-11-26 02:20:26,916 INFO L226 Difference]: Without dead ends: 93 [2019-11-26 02:20:26,916 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 02:20:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-26 02:20:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-11-26 02:20:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-26 02:20:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 152 transitions. [2019-11-26 02:20:26,932 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 152 transitions. Word has length 12 [2019-11-26 02:20:26,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:20:26,932 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 152 transitions. [2019-11-26 02:20:26,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:20:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2019-11-26 02:20:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:20:26,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:20:26,938 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:20:26,938 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:20:26,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:20:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash -516993910, now seen corresponding path program 1 times [2019-11-26 02:20:26,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:20:26,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521083436] [2019-11-26 02:20:26,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:20:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:20:27,059 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 02:20:27,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521083436] [2019-11-26 02:20:27,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:20:27,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:20:27,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089699251] [2019-11-26 02:20:27,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:20:27,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:20:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:20:27,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:20:27,061 INFO L87 Difference]: Start difference. First operand 93 states and 152 transitions. Second operand 3 states. [2019-11-26 02:20:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:20:27,070 INFO L93 Difference]: Finished difference Result 93 states and 152 transitions. [2019-11-26 02:20:27,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:20:27,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:20:27,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:20:27,071 INFO L225 Difference]: With dead ends: 93 [2019-11-26 02:20:27,071 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:20:27,072 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 02:20:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:20:27,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:20:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:20:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:20:27,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:20:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:20:27,074 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:20:27,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:20:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:20:27,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:20:27,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:20:27,649 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 7660) no Hoare annotation was computed. [2019-11-26 02:20:27,650 INFO L444 ceAbstractionStarter]: For program point L7502(line 7502) no Hoare annotation was computed. [2019-11-26 02:20:27,650 INFO L444 ceAbstractionStarter]: For program point L7503(lines 7503 7530) no Hoare annotation was computed. [2019-11-26 02:20:27,650 INFO L444 ceAbstractionStarter]: For program point L7536(line 7536) no Hoare annotation was computed. [2019-11-26 02:20:27,650 INFO L440 ceAbstractionStarter]: At program point L7569(lines 7494 7574) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,650 INFO L440 ceAbstractionStarter]: At program point L6546(lines 6546 6552) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,651 INFO L440 ceAbstractionStarter]: At program point L6546-1(lines 6546 6552) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,651 INFO L440 ceAbstractionStarter]: At program point L7537(lines 7537 7542) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,651 INFO L444 ceAbstractionStarter]: For program point L7506(line 7506) no Hoare annotation was computed. [2019-11-26 02:20:27,651 INFO L440 ceAbstractionStarter]: At program point L7275(lines 7248 7345) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,651 INFO L440 ceAbstractionStarter]: At program point L7507(lines 7507 7515) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,651 INFO L447 ceAbstractionStarter]: At program point L6549-1(lines 6546 6551) the Hoare annotation is: true [2019-11-26 02:20:27,651 INFO L447 ceAbstractionStarter]: At program point L6549(lines 6546 6551) the Hoare annotation is: true [2019-11-26 02:20:27,652 INFO L440 ceAbstractionStarter]: At program point L7375(lines 1 8098) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,652 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 7660) no Hoare annotation was computed. [2019-11-26 02:20:27,652 INFO L440 ceAbstractionStarter]: At program point L7409(lines 7409 7412) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,652 INFO L440 ceAbstractionStarter]: At program point L7344(lines 7237 7346) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,652 INFO L444 ceAbstractionStarter]: For program point L7544(line 7544) no Hoare annotation was computed. [2019-11-26 02:20:27,652 INFO L440 ceAbstractionStarter]: At program point L7313(lines 7248 7345) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,652 INFO L440 ceAbstractionStarter]: At program point L7545(lines 7545 7557) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,653 INFO L440 ceAbstractionStarter]: At program point L7414(lines 7414 7417) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,653 INFO L444 ceAbstractionStarter]: For program point L7547-2(lines 7545 7556) no Hoare annotation was computed. [2019-11-26 02:20:27,653 INFO L444 ceAbstractionStarter]: For program point L7517(line 7517) no Hoare annotation was computed. [2019-11-26 02:20:27,653 INFO L444 ceAbstractionStarter]: For program point L7352(line 7352) no Hoare annotation was computed. [2019-11-26 02:20:27,653 INFO L440 ceAbstractionStarter]: At program point L7518(lines 7518 7523) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,653 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:20:27,653 INFO L440 ceAbstractionStarter]: At program point L7419(lines 7419 7422) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,653 INFO L440 ceAbstractionStarter]: At program point L7222(lines 7208 7235) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,654 INFO L444 ceAbstractionStarter]: For program point L7321(lines 7321 7325) no Hoare annotation was computed. [2019-11-26 02:20:27,654 INFO L440 ceAbstractionStarter]: At program point L7222-1(lines 7208 7235) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,654 INFO L440 ceAbstractionStarter]: At program point L7553(lines 7996 7999) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,654 INFO L444 ceAbstractionStarter]: For program point L7355(line 7355) no Hoare annotation was computed. [2019-11-26 02:20:27,654 INFO L440 ceAbstractionStarter]: At program point L7323(lines 7248 7345) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,654 INFO L440 ceAbstractionStarter]: At program point L7390(lines 7390 7394) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,654 INFO L444 ceAbstractionStarter]: For program point L7358(line 7358) no Hoare annotation was computed. [2019-11-26 02:20:27,655 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:20:27,655 INFO L444 ceAbstractionStarter]: For program point L7259(lines 7259 7262) no Hoare annotation was computed. [2019-11-26 02:20:27,655 INFO L447 ceAbstractionStarter]: At program point L7657-2(lines 7993 8010) the Hoare annotation is: true [2019-11-26 02:20:27,655 INFO L444 ceAbstractionStarter]: For program point L7657-1(lines 8004 8007) no Hoare annotation was computed. [2019-11-26 02:20:27,655 INFO L444 ceAbstractionStarter]: For program point L7657(lines 8000 8003) no Hoare annotation was computed. [2019-11-26 02:20:27,655 INFO L440 ceAbstractionStarter]: At program point L7229-3(lines 7229 7233) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,655 INFO L440 ceAbstractionStarter]: At program point L7229-2(lines 7206 7236) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,655 INFO L440 ceAbstractionStarter]: At program point L7229(lines 7229 7233) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,656 INFO L440 ceAbstractionStarter]: At program point L7229-5(lines 7206 7236) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,656 INFO L444 ceAbstractionStarter]: For program point L7362(line 7362) no Hoare annotation was computed. [2019-11-26 02:20:27,656 INFO L444 ceAbstractionStarter]: For program point L7660-2(line 7660) no Hoare annotation was computed. [2019-11-26 02:20:27,656 INFO L444 ceAbstractionStarter]: For program point L7660-1(line 7660) no Hoare annotation was computed. [2019-11-26 02:20:27,656 INFO L444 ceAbstractionStarter]: For program point L7660(line 7660) no Hoare annotation was computed. [2019-11-26 02:20:27,656 INFO L440 ceAbstractionStarter]: At program point L7331(lines 7248 7345) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,656 INFO L440 ceAbstractionStarter]: At program point L8025(lines 1 8098) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,657 INFO L440 ceAbstractionStarter]: At program point L7431(lines 7378 7433) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,657 INFO L440 ceAbstractionStarter]: At program point L-1-3(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,657 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7660) no Hoare annotation was computed. [2019-11-26 02:20:27,659 INFO L440 ceAbstractionStarter]: At program point L7366(lines 7349 7369) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,660 INFO L444 ceAbstractionStarter]: For program point L7532(line 7532) no Hoare annotation was computed. [2019-11-26 02:20:27,660 INFO L444 ceAbstractionStarter]: For program point L7533(lines 7533 7564) no Hoare annotation was computed. [2019-11-26 02:20:27,660 INFO L440 ceAbstractionStarter]: At program point L7368(lines 7347 7370) the Hoare annotation is: (and (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_cred_guard_mutex_of_signal_struct~0) (= 1 ~ldv_mutex_mutex_of_device~0)) [2019-11-26 02:20:27,660 INFO L444 ceAbstractionStarter]: For program point L7269(lines 7269 7273) no Hoare annotation was computed. [2019-11-26 02:20:27,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:20:27 BoogieIcfgContainer [2019-11-26 02:20:27,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:20:27,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:20:27,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:20:27,689 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:20:27,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:20:25" (3/4) ... [2019-11-26 02:20:27,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:20:27,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 203 nodes and edges [2019-11-26 02:20:27,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2019-11-26 02:20:27,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:20:27,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:20:27,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:20:27,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:20:27,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be377a18-4245-442d-8cb7-a682af588a3e/bin/utaipan/witness.graphml [2019-11-26 02:20:27,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:20:27,994 INFO L168 Benchmark]: Toolchain (without parser) took 12148.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:27,995 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:20:27,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1908.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 938.1 MB in the beginning and 944.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:27,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.86 ms. Allocated memory is still 1.1 GB. Free memory was 944.7 MB in the beginning and 933.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:27,996 INFO L168 Benchmark]: Boogie Preprocessor took 143.13 ms. Allocated memory is still 1.1 GB. Free memory was 933.9 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:27,997 INFO L168 Benchmark]: RCFGBuilder took 7722.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 928.6 MB in the beginning and 950.8 MB in the end (delta: -22.3 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:27,997 INFO L168 Benchmark]: TraceAbstraction took 1888.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:27,997 INFO L168 Benchmark]: Witness Printer took 304.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:20:28,000 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1908.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 938.1 MB in the beginning and 944.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.86 ms. Allocated memory is still 1.1 GB. Free memory was 944.7 MB in the beginning and 933.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.13 ms. Allocated memory is still 1.1 GB. Free memory was 933.9 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7722.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 928.6 MB in the beginning and 950.8 MB in the end (delta: -22.3 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1888.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. * Witness Printer took 304.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7660]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7660]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7660]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 7414]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7996]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7208]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7208]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7537]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7409]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7378]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7545]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7206]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7349]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7419]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7206]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7494]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7237]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7229]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7390]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7518]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7507]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7229]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - InvariantResult [Line: 7993]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7347]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_lock && 1 == ldv_mutex_cred_guard_mutex_of_signal_struct) && 1 == ldv_mutex_mutex_of_device - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 329 SDtfs, 282 SDslu, 83 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 95 NumberOfFragments, 294 HoareAnnotationTreeSize, 33 FomulaSimplifications, 392 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...