./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dcf5140fb8d3cca08efae44c7b81afb04deeac6d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:36:20,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:36:20,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:36:20,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:36:20,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:36:20,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:36:20,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:36:20,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:36:20,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:36:20,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:36:20,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:36:20,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:36:20,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:36:20,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:36:20,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:36:20,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:36:20,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:36:20,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:36:20,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:36:20,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:36:20,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:36:20,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:36:20,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:36:20,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:36:20,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:36:20,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:36:20,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:36:20,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:36:20,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:36:20,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:36:20,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:36:20,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:36:20,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:36:20,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:36:20,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:36:20,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:36:20,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:36:20,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:36:20,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:36:20,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:36:20,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:36:20,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-29 22:36:20,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:36:20,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:36:20,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:36:20,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:36:20,806 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:36:20,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:36:20,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:36:20,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:36:20,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:36:20,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:36:20,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:36:20,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:36:20,809 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:36:20,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:36:20,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:36:20,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:36:20,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:36:20,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:36:20,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:36:20,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:36:20,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:36:20,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:36:20,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:36:20,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:36:20,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:36:20,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:36:20,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:36:20,812 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2020-11-29 22:36:21,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:36:21,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:36:21,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:36:21,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:36:21,205 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:36:21,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-11-29 22:36:21,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/data/0aecf3e1c/c9055c7ebe4d49e3b70007b22fb5034b/FLAGcda276b7e [2020-11-29 22:36:22,233 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:36:22,234 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-11-29 22:36:22,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/data/0aecf3e1c/c9055c7ebe4d49e3b70007b22fb5034b/FLAGcda276b7e [2020-11-29 22:36:22,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/data/0aecf3e1c/c9055c7ebe4d49e3b70007b22fb5034b [2020-11-29 22:36:22,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:36:22,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:36:22,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:22,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:36:22,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:36:22,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:22" (1/1) ... [2020-11-29 22:36:22,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7840bcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:22, skipping insertion in model container [2020-11-29 22:36:22,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:22" (1/1) ... [2020-11-29 22:36:22,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:36:22,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:36:24,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:36:24,096 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:36:24,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:36:24,487 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:36:24,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24 WrapperNode [2020-11-29 22:36:24,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:24,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:36:24,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:36:24,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:36:24,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:36:24,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:36:24,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:36:24,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:36:24,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... [2020-11-29 22:36:24,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:36:24,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:36:24,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:36:24,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:36:24,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/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 [2020-11-29 22:36:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:36:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 22:36:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:36:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 22:36:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:36:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 22:36:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:36:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:36:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:36:27,266 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:36:27,266 INFO L298 CfgBuilder]: Removed 153 assume(true) statements. [2020-11-29 22:36:27,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:27 BoogieIcfgContainer [2020-11-29 22:36:27,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:36:27,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:36:27,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:36:27,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:36:27,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:36:22" (1/3) ... [2020-11-29 22:36:27,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d02b073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:36:27, skipping insertion in model container [2020-11-29 22:36:27,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:24" (2/3) ... [2020-11-29 22:36:27,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d02b073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:36:27, skipping insertion in model container [2020-11-29 22:36:27,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:27" (3/3) ... [2020-11-29 22:36:27,279 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-11-29 22:36:27,291 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:36:27,295 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-11-29 22:36:27,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-29 22:36:27,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:36:27,334 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:36:27,335 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:36:27,335 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:36:27,335 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:36:27,335 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:36:27,335 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:36:27,335 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:36:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-11-29 22:36:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 22:36:27,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:27,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:27,377 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:27,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:27,383 INFO L82 PathProgramCache]: Analyzing trace with hash -348189261, now seen corresponding path program 1 times [2020-11-29 22:36:27,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:27,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658121426] [2020-11-29 22:36:27,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:28,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658121426] [2020-11-29 22:36:28,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:28,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:36:28,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897226311] [2020-11-29 22:36:28,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:36:28,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:28,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:36:28,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:36:28,031 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2020-11-29 22:36:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:28,085 INFO L93 Difference]: Finished difference Result 334 states and 481 transitions. [2020-11-29 22:36:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:36:28,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 41 [2020-11-29 22:36:28,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:28,107 INFO L225 Difference]: With dead ends: 334 [2020-11-29 22:36:28,107 INFO L226 Difference]: Without dead ends: 156 [2020-11-29 22:36:28,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:36:28,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-29 22:36:28,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-11-29 22:36:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-29 22:36:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 202 transitions. [2020-11-29 22:36:28,180 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 202 transitions. Word has length 41 [2020-11-29 22:36:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:28,181 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 202 transitions. [2020-11-29 22:36:28,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:36:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 202 transitions. [2020-11-29 22:36:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 22:36:28,185 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:28,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:28,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:36:28,186 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:28,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:28,187 INFO L82 PathProgramCache]: Analyzing trace with hash 976962025, now seen corresponding path program 1 times [2020-11-29 22:36:28,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:28,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232592113] [2020-11-29 22:36:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:28,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232592113] [2020-11-29 22:36:28,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:28,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:36:28,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039120473] [2020-11-29 22:36:28,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:28,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:28,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:28,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:28,460 INFO L87 Difference]: Start difference. First operand 156 states and 202 transitions. Second operand 3 states. [2020-11-29 22:36:28,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:28,576 INFO L93 Difference]: Finished difference Result 379 states and 511 transitions. [2020-11-29 22:36:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:28,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-11-29 22:36:28,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:28,580 INFO L225 Difference]: With dead ends: 379 [2020-11-29 22:36:28,580 INFO L226 Difference]: Without dead ends: 253 [2020-11-29 22:36:28,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-11-29 22:36:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 231. [2020-11-29 22:36:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-29 22:36:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 318 transitions. [2020-11-29 22:36:28,609 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 318 transitions. Word has length 41 [2020-11-29 22:36:28,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:28,610 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 318 transitions. [2020-11-29 22:36:28,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 318 transitions. [2020-11-29 22:36:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:36:28,614 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:28,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:28,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:36:28,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:28,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:28,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1737765478, now seen corresponding path program 1 times [2020-11-29 22:36:28,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:28,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677659989] [2020-11-29 22:36:28,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:28,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677659989] [2020-11-29 22:36:28,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:28,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:36:28,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218903632] [2020-11-29 22:36:28,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:28,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:28,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:28,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:28,948 INFO L87 Difference]: Start difference. First operand 231 states and 318 transitions. Second operand 3 states. [2020-11-29 22:36:29,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:29,797 INFO L93 Difference]: Finished difference Result 592 states and 849 transitions. [2020-11-29 22:36:29,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:29,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-29 22:36:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:29,803 INFO L225 Difference]: With dead ends: 592 [2020-11-29 22:36:29,805 INFO L226 Difference]: Without dead ends: 391 [2020-11-29 22:36:29,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:29,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-29 22:36:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 383. [2020-11-29 22:36:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-29 22:36:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 550 transitions. [2020-11-29 22:36:29,861 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 550 transitions. Word has length 44 [2020-11-29 22:36:29,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:29,862 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 550 transitions. [2020-11-29 22:36:29,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 550 transitions. [2020-11-29 22:36:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:36:29,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:29,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:29,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:36:29,865 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:29,866 INFO L82 PathProgramCache]: Analyzing trace with hash -874231964, now seen corresponding path program 1 times [2020-11-29 22:36:29,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:29,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710498132] [2020-11-29 22:36:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:30,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710498132] [2020-11-29 22:36:30,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:30,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:36:30,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743714322] [2020-11-29 22:36:30,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:30,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:30,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:30,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:30,134 INFO L87 Difference]: Start difference. First operand 383 states and 550 transitions. Second operand 3 states. [2020-11-29 22:36:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:30,190 INFO L93 Difference]: Finished difference Result 423 states and 588 transitions. [2020-11-29 22:36:30,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:30,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-29 22:36:30,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:30,194 INFO L225 Difference]: With dead ends: 423 [2020-11-29 22:36:30,194 INFO L226 Difference]: Without dead ends: 403 [2020-11-29 22:36:30,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-11-29 22:36:30,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 383. [2020-11-29 22:36:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-29 22:36:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 549 transitions. [2020-11-29 22:36:30,213 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 549 transitions. Word has length 53 [2020-11-29 22:36:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:30,215 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 549 transitions. [2020-11-29 22:36:30,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 549 transitions. [2020-11-29 22:36:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:36:30,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:30,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:30,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:36:30,223 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:30,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:30,223 INFO L82 PathProgramCache]: Analyzing trace with hash -816973662, now seen corresponding path program 1 times [2020-11-29 22:36:30,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:30,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455793514] [2020-11-29 22:36:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:30,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455793514] [2020-11-29 22:36:30,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:30,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:36:30,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341534604] [2020-11-29 22:36:30,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:30,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:30,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:30,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:30,471 INFO L87 Difference]: Start difference. First operand 383 states and 549 transitions. Second operand 3 states. [2020-11-29 22:36:30,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:30,482 INFO L93 Difference]: Finished difference Result 383 states and 549 transitions. [2020-11-29 22:36:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:30,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-29 22:36:30,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:30,487 INFO L225 Difference]: With dead ends: 383 [2020-11-29 22:36:30,487 INFO L226 Difference]: Without dead ends: 379 [2020-11-29 22:36:30,489 INFO L677 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 [2020-11-29 22:36:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-11-29 22:36:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2020-11-29 22:36:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-11-29 22:36:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 545 transitions. [2020-11-29 22:36:30,505 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 545 transitions. Word has length 53 [2020-11-29 22:36:30,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:30,507 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 545 transitions. [2020-11-29 22:36:30,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:30,508 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 545 transitions. [2020-11-29 22:36:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 22:36:30,510 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:30,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:30,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:36:30,511 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:30,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:30,512 INFO L82 PathProgramCache]: Analyzing trace with hash 456085465, now seen corresponding path program 1 times [2020-11-29 22:36:30,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:30,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926311574] [2020-11-29 22:36:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:30,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926311574] [2020-11-29 22:36:30,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:30,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:36:30,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165447377] [2020-11-29 22:36:30,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:30,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:30,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:30,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:30,716 INFO L87 Difference]: Start difference. First operand 379 states and 545 transitions. Second operand 3 states. [2020-11-29 22:36:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:30,729 INFO L93 Difference]: Finished difference Result 379 states and 545 transitions. [2020-11-29 22:36:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:30,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-11-29 22:36:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:30,732 INFO L225 Difference]: With dead ends: 379 [2020-11-29 22:36:30,732 INFO L226 Difference]: Without dead ends: 375 [2020-11-29 22:36:30,733 INFO L677 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 [2020-11-29 22:36:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-11-29 22:36:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2020-11-29 22:36:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-11-29 22:36:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 541 transitions. [2020-11-29 22:36:30,748 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 541 transitions. Word has length 54 [2020-11-29 22:36:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:30,749 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 541 transitions. [2020-11-29 22:36:30,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 541 transitions. [2020-11-29 22:36:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 22:36:30,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:30,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:30,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:36:30,750 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:30,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:30,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1266212755, now seen corresponding path program 1 times [2020-11-29 22:36:30,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:30,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986474987] [2020-11-29 22:36:30,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:30,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986474987] [2020-11-29 22:36:30,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:30,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:36:30,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106834831] [2020-11-29 22:36:30,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:30,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:30,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:30,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:30,941 INFO L87 Difference]: Start difference. First operand 375 states and 541 transitions. Second operand 3 states. [2020-11-29 22:36:30,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:30,952 INFO L93 Difference]: Finished difference Result 375 states and 541 transitions. [2020-11-29 22:36:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:30,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-11-29 22:36:30,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:30,957 INFO L225 Difference]: With dead ends: 375 [2020-11-29 22:36:30,957 INFO L226 Difference]: Without dead ends: 371 [2020-11-29 22:36:30,958 INFO L677 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 [2020-11-29 22:36:30,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-11-29 22:36:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2020-11-29 22:36:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-11-29 22:36:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 537 transitions. [2020-11-29 22:36:30,973 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 537 transitions. Word has length 55 [2020-11-29 22:36:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:30,975 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 537 transitions. [2020-11-29 22:36:30,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 537 transitions. [2020-11-29 22:36:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:36:30,976 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:30,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:30,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:36:30,977 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash 610354986, now seen corresponding path program 1 times [2020-11-29 22:36:30,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:30,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7851914] [2020-11-29 22:36:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:36:31,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7851914] [2020-11-29 22:36:31,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:31,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:36:31,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292745523] [2020-11-29 22:36:31,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:31,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:31,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:31,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:31,179 INFO L87 Difference]: Start difference. First operand 371 states and 537 transitions. Second operand 3 states. [2020-11-29 22:36:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:31,227 INFO L93 Difference]: Finished difference Result 1039 states and 1537 transitions. [2020-11-29 22:36:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:31,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-11-29 22:36:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:31,232 INFO L225 Difference]: With dead ends: 1039 [2020-11-29 22:36:31,232 INFO L226 Difference]: Without dead ends: 692 [2020-11-29 22:36:31,233 INFO L677 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 [2020-11-29 22:36:31,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-11-29 22:36:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 685. [2020-11-29 22:36:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-11-29 22:36:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1011 transitions. [2020-11-29 22:36:31,286 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1011 transitions. Word has length 56 [2020-11-29 22:36:31,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:31,286 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 1011 transitions. [2020-11-29 22:36:31,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1011 transitions. [2020-11-29 22:36:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 22:36:31,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:31,288 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:31,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:36:31,289 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:31,289 INFO L82 PathProgramCache]: Analyzing trace with hash 465692308, now seen corresponding path program 1 times [2020-11-29 22:36:31,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:31,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309099540] [2020-11-29 22:36:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:36:31,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309099540] [2020-11-29 22:36:31,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:31,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:36:31,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009445359] [2020-11-29 22:36:31,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:36:31,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:31,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:36:31,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:31,454 INFO L87 Difference]: Start difference. First operand 685 states and 1011 transitions. Second operand 3 states. [2020-11-29 22:36:32,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:32,231 INFO L93 Difference]: Finished difference Result 1340 states and 1991 transitions. [2020-11-29 22:36:32,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:32,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-29 22:36:32,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:32,238 INFO L225 Difference]: With dead ends: 1340 [2020-11-29 22:36:32,238 INFO L226 Difference]: Without dead ends: 685 [2020-11-29 22:36:32,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:36:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-11-29 22:36:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 684. [2020-11-29 22:36:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-11-29 22:36:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1006 transitions. [2020-11-29 22:36:32,267 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1006 transitions. Word has length 68 [2020-11-29 22:36:32,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:32,267 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1006 transitions. [2020-11-29 22:36:32,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:36:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1006 transitions. [2020-11-29 22:36:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 22:36:32,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:32,269 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:32,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:36:32,269 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:32,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:32,270 INFO L82 PathProgramCache]: Analyzing trace with hash 181111611, now seen corresponding path program 1 times [2020-11-29 22:36:32,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:32,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560106850] [2020-11-29 22:36:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:36:32,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560106850] [2020-11-29 22:36:32,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:32,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 22:36:32,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211693860] [2020-11-29 22:36:32,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 22:36:32,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:32,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 22:36:32,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:36:32,482 INFO L87 Difference]: Start difference. First operand 684 states and 1006 transitions. Second operand 7 states. [2020-11-29 22:36:32,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:32,708 INFO L93 Difference]: Finished difference Result 2554 states and 3835 transitions. [2020-11-29 22:36:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 22:36:32,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-11-29 22:36:32,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:32,720 INFO L225 Difference]: With dead ends: 2554 [2020-11-29 22:36:32,720 INFO L226 Difference]: Without dead ends: 1900 [2020-11-29 22:36:32,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-29 22:36:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-11-29 22:36:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 683. [2020-11-29 22:36:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-11-29 22:36:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1004 transitions. [2020-11-29 22:36:32,803 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1004 transitions. Word has length 69 [2020-11-29 22:36:32,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:32,803 INFO L481 AbstractCegarLoop]: Abstraction has 683 states and 1004 transitions. [2020-11-29 22:36:32,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 22:36:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1004 transitions. [2020-11-29 22:36:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-29 22:36:32,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:32,811 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:36:32,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 22:36:32,812 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:32,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:32,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1424605794, now seen corresponding path program 1 times [2020-11-29 22:36:32,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:36:32,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948421246] [2020-11-29 22:36:32,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:36:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:36:33,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948421246] [2020-11-29 22:36:33,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:33,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:36:33,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656468768] [2020-11-29 22:36:33,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:36:33,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:36:33,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:36:33,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:36:33,014 INFO L87 Difference]: Start difference. First operand 683 states and 1004 transitions. Second operand 5 states. [2020-11-29 22:36:33,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:33,093 INFO L93 Difference]: Finished difference Result 974 states and 1451 transitions. [2020-11-29 22:36:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:36:33,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-11-29 22:36:33,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:33,095 INFO L225 Difference]: With dead ends: 974 [2020-11-29 22:36:33,095 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:36:33,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:36:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:36:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:36:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:36:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:36:33,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-11-29 22:36:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:33,098 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:36:33,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:36:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:36:33,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:36:33,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 22:36:33,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:36:34,047 INFO L274 CegarLoopResult]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2020-11-29 22:36:34,047 INFO L274 CegarLoopResult]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2020-11-29 22:36:34,047 INFO L274 CegarLoopResult]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2020-11-29 22:36:34,047 INFO L274 CegarLoopResult]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2020-11-29 22:36:34,047 INFO L270 CegarLoopResult]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,048 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,048 INFO L274 CegarLoopResult]: For program point L6213(line 6213) no Hoare annotation was computed. [2020-11-29 22:36:34,048 INFO L274 CegarLoopResult]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2020-11-29 22:36:34,048 INFO L274 CegarLoopResult]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2020-11-29 22:36:34,048 INFO L270 CegarLoopResult]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,048 INFO L274 CegarLoopResult]: For program point L6050(line 6050) no Hoare annotation was computed. [2020-11-29 22:36:34,048 INFO L274 CegarLoopResult]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L274 CegarLoopResult]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2020-11-29 22:36:34,049 INFO L270 CegarLoopResult]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2020-11-29 22:36:34,050 INFO L274 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-11-29 22:36:34,051 INFO L270 CegarLoopResult]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,051 INFO L277 CegarLoopResult]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2020-11-29 22:36:34,051 INFO L274 CegarLoopResult]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2020-11-29 22:36:34,051 INFO L270 CegarLoopResult]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,051 INFO L270 CegarLoopResult]: At program point L6153(lines 6965 6968) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,051 INFO L274 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-11-29 22:36:34,051 INFO L274 CegarLoopResult]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point L6220(line 6220) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L270 CegarLoopResult]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= ULTIMATE.start_m5632_recover_~r~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point L6188(line 6188) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2020-11-29 22:36:34,052 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,053 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,054 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,054 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,054 INFO L270 CegarLoopResult]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,054 INFO L270 CegarLoopResult]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,054 INFO L270 CegarLoopResult]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,054 INFO L274 CegarLoopResult]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2020-11-29 22:36:34,054 INFO L274 CegarLoopResult]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2020-11-29 22:36:34,055 INFO L270 CegarLoopResult]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_retval_3~0 0)) (.cse3 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 (= 2 ~ldv_mutex_udev~0) .cse1 .cse2 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) .cse3) (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) .cse0 (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) .cse1 .cse2 .cse3))) [2020-11-29 22:36:34,055 INFO L277 CegarLoopResult]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,055 INFO L277 CegarLoopResult]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,055 INFO L277 CegarLoopResult]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,055 INFO L277 CegarLoopResult]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,055 INFO L277 CegarLoopResult]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,055 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,056 INFO L277 CegarLoopResult]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,056 INFO L277 CegarLoopResult]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,056 INFO L277 CegarLoopResult]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,056 INFO L277 CegarLoopResult]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2020-11-29 22:36:34,056 INFO L274 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-11-29 22:36:34,056 INFO L274 CegarLoopResult]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2020-11-29 22:36:34,056 INFO L274 CegarLoopResult]: For program point L6093(line 6093) no Hoare annotation was computed. [2020-11-29 22:36:34,056 INFO L270 CegarLoopResult]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= ULTIMATE.start_m5632_recover_~r~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,056 INFO L274 CegarLoopResult]: For program point L6127(line 6127) no Hoare annotation was computed. [2020-11-29 22:36:34,057 INFO L274 CegarLoopResult]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2020-11-29 22:36:34,057 INFO L274 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-11-29 22:36:34,057 INFO L270 CegarLoopResult]: At program point L6326(lines 1 7033) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,057 INFO L277 CegarLoopResult]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2020-11-29 22:36:34,057 INFO L274 CegarLoopResult]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2020-11-29 22:36:34,057 INFO L274 CegarLoopResult]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2020-11-29 22:36:34,057 INFO L270 CegarLoopResult]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,057 INFO L270 CegarLoopResult]: At program point L5765-2(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,058 INFO L270 CegarLoopResult]: At program point L5765-3(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,058 INFO L270 CegarLoopResult]: At program point L5765(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,058 INFO L270 CegarLoopResult]: At program point L5765-1(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,058 INFO L270 CegarLoopResult]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,058 INFO L270 CegarLoopResult]: At program point L5765-4(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,058 INFO L270 CegarLoopResult]: At program point L5765-5(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,059 INFO L274 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-11-29 22:36:34,059 INFO L270 CegarLoopResult]: At program point L6922(lines 1 7033) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,059 INFO L270 CegarLoopResult]: At program point L6988(lines 6987 6989) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,059 INFO L274 CegarLoopResult]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2020-11-29 22:36:34,059 INFO L274 CegarLoopResult]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2020-11-29 22:36:34,059 INFO L274 CegarLoopResult]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2020-11-29 22:36:34,059 INFO L274 CegarLoopResult]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2020-11-29 22:36:34,059 INFO L274 CegarLoopResult]: For program point L6064(line 6064) no Hoare annotation was computed. [2020-11-29 22:36:34,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,060 INFO L270 CegarLoopResult]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_retval_3~0 0)) (.cse3 (= ~ldv_mutex_lock~0 1))) (or (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) .cse0 (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) .cse1 .cse2 .cse3) (and .cse0 (= 2 ~ldv_mutex_udev~0) .cse1 .cse2 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) .cse3))) [2020-11-29 22:36:34,060 INFO L274 CegarLoopResult]: For program point L6131(line 6131) no Hoare annotation was computed. [2020-11-29 22:36:34,060 INFO L274 CegarLoopResult]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2020-11-29 22:36:34,060 INFO L274 CegarLoopResult]: For program point L6032(line 6032) no Hoare annotation was computed. [2020-11-29 22:36:34,060 INFO L274 CegarLoopResult]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2020-11-29 22:36:34,061 INFO L274 CegarLoopResult]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2020-11-29 22:36:34,061 INFO L270 CegarLoopResult]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,061 INFO L274 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-11-29 22:36:34,061 INFO L274 CegarLoopResult]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2020-11-29 22:36:34,061 INFO L274 CegarLoopResult]: For program point L6100(line 6100) no Hoare annotation was computed. [2020-11-29 22:36:34,062 INFO L270 CegarLoopResult]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,062 INFO L274 CegarLoopResult]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2020-11-29 22:36:34,062 INFO L274 CegarLoopResult]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2020-11-29 22:36:34,062 INFO L274 CegarLoopResult]: For program point L6332(line 6332) no Hoare annotation was computed. [2020-11-29 22:36:34,062 INFO L274 CegarLoopResult]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2020-11-29 22:36:34,062 INFO L274 CegarLoopResult]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2020-11-29 22:36:34,062 INFO L274 CegarLoopResult]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2020-11-29 22:36:34,063 INFO L274 CegarLoopResult]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2020-11-29 22:36:34,063 INFO L274 CegarLoopResult]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2020-11-29 22:36:34,063 INFO L274 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-11-29 22:36:34,063 INFO L270 CegarLoopResult]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,063 INFO L274 CegarLoopResult]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2020-11-29 22:36:34,063 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,064 INFO L274 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-11-29 22:36:34,064 INFO L274 CegarLoopResult]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2020-11-29 22:36:34,064 INFO L274 CegarLoopResult]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2020-11-29 22:36:34,064 INFO L270 CegarLoopResult]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,064 INFO L270 CegarLoopResult]: At program point L5773(lines 5768 5775) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,064 INFO L274 CegarLoopResult]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2020-11-29 22:36:34,065 INFO L274 CegarLoopResult]: For program point L6170(line 6170) no Hoare annotation was computed. [2020-11-29 22:36:34,065 INFO L274 CegarLoopResult]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2020-11-29 22:36:34,065 INFO L270 CegarLoopResult]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,065 INFO L270 CegarLoopResult]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,065 INFO L270 CegarLoopResult]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,066 INFO L270 CegarLoopResult]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,066 INFO L274 CegarLoopResult]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2020-11-29 22:36:34,066 INFO L274 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-11-29 22:36:34,066 INFO L274 CegarLoopResult]: For program point L6139(line 6139) no Hoare annotation was computed. [2020-11-29 22:36:34,066 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,066 INFO L274 CegarLoopResult]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2020-11-29 22:36:34,067 INFO L274 CegarLoopResult]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2020-11-29 22:36:34,067 INFO L274 CegarLoopResult]: For program point L6206(line 6206) no Hoare annotation was computed. [2020-11-29 22:36:34,067 INFO L274 CegarLoopResult]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2020-11-29 22:36:34,067 INFO L274 CegarLoopResult]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2020-11-29 22:36:34,067 INFO L270 CegarLoopResult]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,067 INFO L274 CegarLoopResult]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L6110(line 6110) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,068 INFO L274 CegarLoopResult]: For program point L-1-4(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,069 INFO L274 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,069 INFO L274 CegarLoopResult]: For program point L-1-6(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,069 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:36:34,069 INFO L270 CegarLoopResult]: At program point L-1-8(line -1) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,069 INFO L274 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,069 INFO L274 CegarLoopResult]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2020-11-29 22:36:34,070 INFO L274 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2020-11-29 22:36:34,070 INFO L274 CegarLoopResult]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2020-11-29 22:36:34,070 INFO L274 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-11-29 22:36:34,070 INFO L270 CegarLoopResult]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,070 INFO L270 CegarLoopResult]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1)) [2020-11-29 22:36:34,070 INFO L274 CegarLoopResult]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2020-11-29 22:36:34,071 INFO L274 CegarLoopResult]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2020-11-29 22:36:34,071 INFO L274 CegarLoopResult]: For program point L6079(line 6079) no Hoare annotation was computed. [2020-11-29 22:36:34,071 INFO L274 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-11-29 22:36:34,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:36:34 BoogieIcfgContainer [2020-11-29 22:36:34,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:36:34,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:36:34,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:36:34,108 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:36:34,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:27" (3/4) ... [2020-11-29 22:36:34,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:36:34,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-29 22:36:34,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-29 22:36:34,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 22:36:34,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:36:34,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:36:34,205 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && ldv_mutex_lock == 1) || (((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1) [2020-11-29 22:36:34,206 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1) || ((((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1) [2020-11-29 22:36:34,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 [2020-11-29 22:36:34,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && r == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 [2020-11-29 22:36:34,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && r == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 [2020-11-29 22:36:34,547 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b0e5e191-a009-4659-a632-4d1dc1205d47/bin/uautomizer/witness.graphml [2020-11-29 22:36:34,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:36:34,550 INFO L168 Benchmark]: Toolchain (without parser) took 11829.15 ms. Allocated memory was 94.4 MB in the beginning and 341.8 MB in the end (delta: 247.5 MB). Free memory was 69.6 MB in the beginning and 267.7 MB in the end (delta: -198.2 MB). Peak memory consumption was 234.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,550 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:36:34,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1767.23 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 69.2 MB in the beginning and 60.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.15 ms. Allocated memory is still 127.9 MB. Free memory was 60.4 MB in the beginning and 51.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,552 INFO L168 Benchmark]: Boogie Preprocessor took 190.27 ms. Allocated memory is still 127.9 MB. Free memory was 51.2 MB in the beginning and 70.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,552 INFO L168 Benchmark]: RCFGBuilder took 2415.47 ms. Allocated memory was 127.9 MB in the beginning and 192.9 MB in the end (delta: 65.0 MB). Free memory was 70.7 MB in the beginning and 83.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,553 INFO L168 Benchmark]: TraceAbstraction took 6835.78 ms. Allocated memory was 192.9 MB in the beginning and 341.8 MB in the end (delta: 148.9 MB). Free memory was 83.8 MB in the beginning and 226.0 MB in the end (delta: -142.2 MB). Peak memory consumption was 111.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,553 INFO L168 Benchmark]: Witness Printer took 439.90 ms. Allocated memory is still 341.8 MB. Free memory was 226.0 MB in the beginning and 267.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:34,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 94.4 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1767.23 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 69.2 MB in the beginning and 60.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 172.15 ms. Allocated memory is still 127.9 MB. Free memory was 60.4 MB in the beginning and 51.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 190.27 ms. Allocated memory is still 127.9 MB. Free memory was 51.2 MB in the beginning and 70.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2415.47 ms. Allocated memory was 127.9 MB in the beginning and 192.9 MB in the end (delta: 65.0 MB). Free memory was 70.7 MB in the beginning and 83.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6835.78 ms. Allocated memory was 192.9 MB in the beginning and 341.8 MB in the end (delta: 148.9 MB). Free memory was 83.8 MB in the beginning and 226.0 MB in the end (delta: -142.2 MB). Peak memory consumption was 111.6 MB. Max. memory is 16.1 GB. * Witness Printer took 439.90 ms. Allocated memory is still 341.8 MB. Free memory was 226.0 MB in the beginning and 267.7 MB in the end (delta: -41.8 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && r == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6965]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 7004]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7019]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5768]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6336]: Loop Invariant Derived loop invariant: (((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6307]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: ((((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1) || ((((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1) - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7012]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && r == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 7027]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6940]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && \result == 0) && ldv_mutex_lock == 1) || (((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_retval_3 == 0) && ldv_mutex_lock == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 169 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2718 SDtfs, 2803 SDslu, 2981 SDs, 0 SdLazy, 93 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1275 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 203 NumberOfFragments, 748 HoareAnnotationTreeSize, 48 FomulaSimplifications, 11336 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 59041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...