./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_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/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_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/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 [2020-11-28 03:19:07,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:07,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:07,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:07,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:07,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:07,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:07,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:07,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:07,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:07,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:07,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:07,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:07,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:07,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:07,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:07,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:07,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:07,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:07,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:07,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:07,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:07,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:07,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:07,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:07,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:07,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:07,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:07,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:07,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:07,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:07,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:07,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:07,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:07,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:07,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:07,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:07,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:07,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:07,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:07,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:07,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-28 03:19:07,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:07,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:07,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:07,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:07,689 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:07,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:07,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:07,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:07,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:07,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:07,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:07,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:07,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:07,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:07,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:07,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:07,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:07,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:07,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:07,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:07,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:07,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:07,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:07,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:07,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:07,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:07,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:19:07,695 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_c191a9e4-3634-4203-9a29-4b899ba7a777/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2020-11-28 03:19:07,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:07,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:07,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:07,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:07,972 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:07,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/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 [2020-11-28 03:19:08,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/data/53da68397/31ac76d0fc1c4f67bd9432d38e0e3087/FLAG54a385122 [2020-11-28 03:19:08,903 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:08,904 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/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 [2020-11-28 03:19:08,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/data/53da68397/31ac76d0fc1c4f67bd9432d38e0e3087/FLAG54a385122 [2020-11-28 03:19:09,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/data/53da68397/31ac76d0fc1c4f67bd9432d38e0e3087 [2020-11-28 03:19:09,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:09,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:09,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:09,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:09,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:09,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:09" (1/1) ... [2020-11-28 03:19:09,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e004e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:09, skipping insertion in model container [2020-11-28 03:19:09,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:09" (1/1) ... [2020-11-28 03:19:09,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:09,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:10,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:10,398 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:10,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:10,773 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:10,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10 WrapperNode [2020-11-28 03:19:10,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:10,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:10,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:10,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:10,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:10,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:10,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:10,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:10,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:11,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:11,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:11,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:11,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:11,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:11,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:11,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:11,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/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 [2020-11-28 03:19:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:19:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:19:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 03:19:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:19:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 03:19:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:13,446 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:13,446 INFO L298 CfgBuilder]: Removed 153 assume(true) statements. [2020-11-28 03:19:13,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:13 BoogieIcfgContainer [2020-11-28 03:19:13,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:13,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:13,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:13,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:13,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:09" (1/3) ... [2020-11-28 03:19:13,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e25809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:13, skipping insertion in model container [2020-11-28 03:19:13,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (2/3) ... [2020-11-28 03:19:13,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e25809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:13, skipping insertion in model container [2020-11-28 03:19:13,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:13" (3/3) ... [2020-11-28 03:19:13,460 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-11-28 03:19:13,471 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:13,475 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-11-28 03:19:13,486 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-28 03:19:13,524 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:13,524 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:13,524 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:13,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:13,525 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:13,525 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:13,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:13,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-11-28 03:19:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 03:19:13,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:13,554 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] [2020-11-28 03:19:13,555 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]=== [2020-11-28 03:19:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:13,559 INFO L82 PathProgramCache]: Analyzing trace with hash -348189261, now seen corresponding path program 1 times [2020-11-28 03:19:13,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:13,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349792328] [2020-11-28 03:19:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:14,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349792328] [2020-11-28 03:19:14,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:14,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:14,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617187184] [2020-11-28 03:19:14,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:14,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:14,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:14,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:14,205 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2020-11-28 03:19:14,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:14,239 INFO L93 Difference]: Finished difference Result 334 states and 481 transitions. [2020-11-28 03:19:14,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:14,240 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 41 [2020-11-28 03:19:14,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:14,251 INFO L225 Difference]: With dead ends: 334 [2020-11-28 03:19:14,251 INFO L226 Difference]: Without dead ends: 156 [2020-11-28 03:19:14,255 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 [2020-11-28 03:19:14,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-11-28 03:19:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-11-28 03:19:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-11-28 03:19:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 202 transitions. [2020-11-28 03:19:14,339 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 202 transitions. Word has length 41 [2020-11-28 03:19:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:14,340 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 202 transitions. [2020-11-28 03:19:14,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 202 transitions. [2020-11-28 03:19:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 03:19:14,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:14,344 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] [2020-11-28 03:19:14,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:14,345 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]=== [2020-11-28 03:19:14,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:14,348 INFO L82 PathProgramCache]: Analyzing trace with hash 976962025, now seen corresponding path program 1 times [2020-11-28 03:19:14,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:14,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278451691] [2020-11-28 03:19:14,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:14,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278451691] [2020-11-28 03:19:14,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:14,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:14,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609146093] [2020-11-28 03:19:14,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:14,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:14,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:14,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:14,641 INFO L87 Difference]: Start difference. First operand 156 states and 202 transitions. Second operand 3 states. [2020-11-28 03:19:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:14,774 INFO L93 Difference]: Finished difference Result 379 states and 511 transitions. [2020-11-28 03:19:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:14,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-11-28 03:19:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:14,778 INFO L225 Difference]: With dead ends: 379 [2020-11-28 03:19:14,778 INFO L226 Difference]: Without dead ends: 253 [2020-11-28 03:19:14,780 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 [2020-11-28 03:19:14,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-11-28 03:19:14,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 231. [2020-11-28 03:19:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-28 03:19:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 318 transitions. [2020-11-28 03:19:14,814 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 318 transitions. Word has length 41 [2020-11-28 03:19:14,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:14,815 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 318 transitions. [2020-11-28 03:19:14,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 318 transitions. [2020-11-28 03:19:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 03:19:14,823 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:14,824 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] [2020-11-28 03:19:14,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:14,824 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]=== [2020-11-28 03:19:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:14,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1737765478, now seen corresponding path program 1 times [2020-11-28 03:19:14,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:14,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710514620] [2020-11-28 03:19:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:15,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710514620] [2020-11-28 03:19:15,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:15,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:15,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463238428] [2020-11-28 03:19:15,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:15,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:15,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:15,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:15,086 INFO L87 Difference]: Start difference. First operand 231 states and 318 transitions. Second operand 3 states. [2020-11-28 03:19:15,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:15,958 INFO L93 Difference]: Finished difference Result 592 states and 849 transitions. [2020-11-28 03:19:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:15,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-28 03:19:15,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:15,964 INFO L225 Difference]: With dead ends: 592 [2020-11-28 03:19:15,967 INFO L226 Difference]: Without dead ends: 391 [2020-11-28 03:19:15,969 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 [2020-11-28 03:19:15,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-28 03:19:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 383. [2020-11-28 03:19:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-28 03:19:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 550 transitions. [2020-11-28 03:19:16,024 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 550 transitions. Word has length 44 [2020-11-28 03:19:16,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,025 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 550 transitions. [2020-11-28 03:19:16,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 550 transitions. [2020-11-28 03:19:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 03:19:16,027 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,027 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] [2020-11-28 03:19:16,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:16,027 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]=== [2020-11-28 03:19:16,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,031 INFO L82 PathProgramCache]: Analyzing trace with hash -874231964, now seen corresponding path program 1 times [2020-11-28 03:19:16,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75505617] [2020-11-28 03:19:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:16,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75505617] [2020-11-28 03:19:16,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:16,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344043793] [2020-11-28 03:19:16,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:16,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:16,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:16,210 INFO L87 Difference]: Start difference. First operand 383 states and 550 transitions. Second operand 3 states. [2020-11-28 03:19:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,273 INFO L93 Difference]: Finished difference Result 423 states and 588 transitions. [2020-11-28 03:19:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:16,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-28 03:19:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,277 INFO L225 Difference]: With dead ends: 423 [2020-11-28 03:19:16,277 INFO L226 Difference]: Without dead ends: 403 [2020-11-28 03:19:16,278 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 [2020-11-28 03:19:16,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-11-28 03:19:16,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 383. [2020-11-28 03:19:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-28 03:19:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 549 transitions. [2020-11-28 03:19:16,295 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 549 transitions. Word has length 53 [2020-11-28 03:19:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,296 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 549 transitions. [2020-11-28 03:19:16,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 549 transitions. [2020-11-28 03:19:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 03:19:16,297 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,298 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] [2020-11-28 03:19:16,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:16,298 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]=== [2020-11-28 03:19:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,299 INFO L82 PathProgramCache]: Analyzing trace with hash -816973662, now seen corresponding path program 1 times [2020-11-28 03:19:16,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608327591] [2020-11-28 03:19:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:16,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608327591] [2020-11-28 03:19:16,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:16,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364211428] [2020-11-28 03:19:16,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:16,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:16,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:16,585 INFO L87 Difference]: Start difference. First operand 383 states and 549 transitions. Second operand 3 states. [2020-11-28 03:19:16,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,597 INFO L93 Difference]: Finished difference Result 383 states and 549 transitions. [2020-11-28 03:19:16,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:16,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-28 03:19:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,602 INFO L225 Difference]: With dead ends: 383 [2020-11-28 03:19:16,602 INFO L226 Difference]: Without dead ends: 379 [2020-11-28 03:19:16,604 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 [2020-11-28 03:19:16,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-11-28 03:19:16,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2020-11-28 03:19:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-11-28 03:19:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 545 transitions. [2020-11-28 03:19:16,622 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 545 transitions. Word has length 53 [2020-11-28 03:19:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,623 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 545 transitions. [2020-11-28 03:19:16,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 545 transitions. [2020-11-28 03:19:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 03:19:16,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,626 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] [2020-11-28 03:19:16,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:16,626 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]=== [2020-11-28 03:19:16,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,627 INFO L82 PathProgramCache]: Analyzing trace with hash 456085465, now seen corresponding path program 1 times [2020-11-28 03:19:16,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221484404] [2020-11-28 03:19:16,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:16,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221484404] [2020-11-28 03:19:16,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:16,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493207359] [2020-11-28 03:19:16,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:16,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:16,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:16,860 INFO L87 Difference]: Start difference. First operand 379 states and 545 transitions. Second operand 3 states. [2020-11-28 03:19:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,871 INFO L93 Difference]: Finished difference Result 379 states and 545 transitions. [2020-11-28 03:19:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:16,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-11-28 03:19:16,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,876 INFO L225 Difference]: With dead ends: 379 [2020-11-28 03:19:16,877 INFO L226 Difference]: Without dead ends: 375 [2020-11-28 03:19:16,881 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 [2020-11-28 03:19:16,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-11-28 03:19:16,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2020-11-28 03:19:16,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-11-28 03:19:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 541 transitions. [2020-11-28 03:19:16,901 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 541 transitions. Word has length 54 [2020-11-28 03:19:16,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,902 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 541 transitions. [2020-11-28 03:19:16,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 541 transitions. [2020-11-28 03:19:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 03:19:16,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,903 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] [2020-11-28 03:19:16,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:19:16,904 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]=== [2020-11-28 03:19:16,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1266212755, now seen corresponding path program 1 times [2020-11-28 03:19:16,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125223893] [2020-11-28 03:19:16,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:17,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125223893] [2020-11-28 03:19:17,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:17,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128011999] [2020-11-28 03:19:17,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:17,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:17,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:17,138 INFO L87 Difference]: Start difference. First operand 375 states and 541 transitions. Second operand 3 states. [2020-11-28 03:19:17,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:17,149 INFO L93 Difference]: Finished difference Result 375 states and 541 transitions. [2020-11-28 03:19:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:17,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-11-28 03:19:17,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:17,153 INFO L225 Difference]: With dead ends: 375 [2020-11-28 03:19:17,153 INFO L226 Difference]: Without dead ends: 371 [2020-11-28 03:19:17,154 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 [2020-11-28 03:19:17,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-11-28 03:19:17,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2020-11-28 03:19:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-11-28 03:19:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 537 transitions. [2020-11-28 03:19:17,169 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 537 transitions. Word has length 55 [2020-11-28 03:19:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,170 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 537 transitions. [2020-11-28 03:19:17,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 537 transitions. [2020-11-28 03:19:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 03:19:17,171 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,171 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] [2020-11-28 03:19:17,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:17,172 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]=== [2020-11-28 03:19:17,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,172 INFO L82 PathProgramCache]: Analyzing trace with hash 610354986, now seen corresponding path program 1 times [2020-11-28 03:19:17,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693372386] [2020-11-28 03:19:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:17,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693372386] [2020-11-28 03:19:17,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:17,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204516738] [2020-11-28 03:19:17,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:17,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:17,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:17,365 INFO L87 Difference]: Start difference. First operand 371 states and 537 transitions. Second operand 3 states. [2020-11-28 03:19:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:17,413 INFO L93 Difference]: Finished difference Result 1039 states and 1537 transitions. [2020-11-28 03:19:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:17,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-11-28 03:19:17,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:17,418 INFO L225 Difference]: With dead ends: 1039 [2020-11-28 03:19:17,418 INFO L226 Difference]: Without dead ends: 692 [2020-11-28 03:19:17,419 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 [2020-11-28 03:19:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-11-28 03:19:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 685. [2020-11-28 03:19:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-11-28 03:19:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1011 transitions. [2020-11-28 03:19:17,453 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1011 transitions. Word has length 56 [2020-11-28 03:19:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,454 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 1011 transitions. [2020-11-28 03:19:17,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1011 transitions. [2020-11-28 03:19:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 03:19:17,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,455 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] [2020-11-28 03:19:17,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:19:17,456 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]=== [2020-11-28 03:19:17,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,456 INFO L82 PathProgramCache]: Analyzing trace with hash 465692308, now seen corresponding path program 1 times [2020-11-28 03:19:17,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518482809] [2020-11-28 03:19:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:19:17,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518482809] [2020-11-28 03:19:17,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:17,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551269259] [2020-11-28 03:19:17,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:17,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:17,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:17,612 INFO L87 Difference]: Start difference. First operand 685 states and 1011 transitions. Second operand 3 states. [2020-11-28 03:19:18,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:18,439 INFO L93 Difference]: Finished difference Result 1340 states and 1991 transitions. [2020-11-28 03:19:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:18,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-28 03:19:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:18,445 INFO L225 Difference]: With dead ends: 1340 [2020-11-28 03:19:18,445 INFO L226 Difference]: Without dead ends: 685 [2020-11-28 03:19:18,447 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 [2020-11-28 03:19:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-11-28 03:19:18,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 684. [2020-11-28 03:19:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-11-28 03:19:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1006 transitions. [2020-11-28 03:19:18,482 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1006 transitions. Word has length 68 [2020-11-28 03:19:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:18,482 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1006 transitions. [2020-11-28 03:19:18,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1006 transitions. [2020-11-28 03:19:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 03:19:18,484 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:18,484 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] [2020-11-28 03:19:18,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:19:18,485 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]=== [2020-11-28 03:19:18,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:18,486 INFO L82 PathProgramCache]: Analyzing trace with hash 181111611, now seen corresponding path program 1 times [2020-11-28 03:19:18,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:18,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230330001] [2020-11-28 03:19:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:19:18,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230330001] [2020-11-28 03:19:18,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:18,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:19:18,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873459001] [2020-11-28 03:19:18,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:19:18,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:18,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:19:18,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:18,755 INFO L87 Difference]: Start difference. First operand 684 states and 1006 transitions. Second operand 7 states. [2020-11-28 03:19:19,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:19,000 INFO L93 Difference]: Finished difference Result 2554 states and 3835 transitions. [2020-11-28 03:19:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:19:19,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-11-28 03:19:19,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:19,013 INFO L225 Difference]: With dead ends: 2554 [2020-11-28 03:19:19,013 INFO L226 Difference]: Without dead ends: 1900 [2020-11-28 03:19:19,016 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 [2020-11-28 03:19:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-11-28 03:19:19,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 683. [2020-11-28 03:19:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-11-28 03:19:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1004 transitions. [2020-11-28 03:19:19,070 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1004 transitions. Word has length 69 [2020-11-28 03:19:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:19,070 INFO L481 AbstractCegarLoop]: Abstraction has 683 states and 1004 transitions. [2020-11-28 03:19:19,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:19:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1004 transitions. [2020-11-28 03:19:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-28 03:19:19,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:19,078 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] [2020-11-28 03:19:19,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:19:19,079 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]=== [2020-11-28 03:19:19,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:19,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1424605794, now seen corresponding path program 1 times [2020-11-28 03:19:19,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:19,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600204677] [2020-11-28 03:19:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:19:19,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600204677] [2020-11-28 03:19:19,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:19,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:19,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142335772] [2020-11-28 03:19:19,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:19,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:19,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:19,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:19,258 INFO L87 Difference]: Start difference. First operand 683 states and 1004 transitions. Second operand 5 states. [2020-11-28 03:19:19,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:19,336 INFO L93 Difference]: Finished difference Result 974 states and 1451 transitions. [2020-11-28 03:19:19,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:19,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-11-28 03:19:19,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:19,338 INFO L225 Difference]: With dead ends: 974 [2020-11-28 03:19:19,338 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:19:19,339 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 [2020-11-28 03:19:19,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:19:19,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:19:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:19:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:19:19,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-11-28 03:19:19,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:19,341 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:19,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:19,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:19:19,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:19:19,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:19:20,283 INFO L274 CegarLoopResult]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2020-11-28 03:19:20,283 INFO L274 CegarLoopResult]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2020-11-28 03:19:20,283 INFO L274 CegarLoopResult]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2020-11-28 03:19:20,283 INFO L274 CegarLoopResult]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2020-11-28 03:19:20,283 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)) [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L6213(line 6213) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2020-11-28 03:19:20,284 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)) [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L6050(line 6050) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,284 INFO L274 CegarLoopResult]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2020-11-28 03:19:20,285 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)) [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5721(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,285 INFO L274 CegarLoopResult]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,286 INFO L274 CegarLoopResult]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,286 INFO L274 CegarLoopResult]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2020-11-28 03:19:20,286 INFO L274 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-11-28 03:19:20,286 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)) [2020-11-28 03:19:20,286 INFO L277 CegarLoopResult]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2020-11-28 03:19:20,286 INFO L274 CegarLoopResult]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2020-11-28 03:19:20,286 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)) [2020-11-28 03:19:20,286 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)) [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L6220(line 6220) no Hoare annotation was computed. [2020-11-28 03:19:20,287 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)) [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L6188(line 6188) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,287 INFO L274 CegarLoopResult]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,288 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,289 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,289 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)) [2020-11-28 03:19:20,289 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)) [2020-11-28 03:19:20,289 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)) [2020-11-28 03:19:20,289 INFO L274 CegarLoopResult]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2020-11-28 03:19:20,289 INFO L274 CegarLoopResult]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2020-11-28 03:19:20,289 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))) [2020-11-28 03:19:20,294 INFO L277 CegarLoopResult]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,294 INFO L277 CegarLoopResult]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,294 INFO L277 CegarLoopResult]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,294 INFO L277 CegarLoopResult]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,294 INFO L277 CegarLoopResult]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,294 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,294 INFO L277 CegarLoopResult]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,295 INFO L277 CegarLoopResult]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,295 INFO L277 CegarLoopResult]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,295 INFO L277 CegarLoopResult]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2020-11-28 03:19:20,295 INFO L274 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-11-28 03:19:20,295 INFO L274 CegarLoopResult]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2020-11-28 03:19:20,295 INFO L274 CegarLoopResult]: For program point L6093(line 6093) no Hoare annotation was computed. [2020-11-28 03:19:20,295 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)) [2020-11-28 03:19:20,295 INFO L274 CegarLoopResult]: For program point L6127(line 6127) no Hoare annotation was computed. [2020-11-28 03:19:20,296 INFO L274 CegarLoopResult]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2020-11-28 03:19:20,296 INFO L274 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-11-28 03:19:20,296 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)) [2020-11-28 03:19:20,296 INFO L277 CegarLoopResult]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2020-11-28 03:19:20,296 INFO L274 CegarLoopResult]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2020-11-28 03:19:20,296 INFO L274 CegarLoopResult]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2020-11-28 03:19:20,296 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)) [2020-11-28 03:19:20,297 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)) [2020-11-28 03:19:20,297 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)) [2020-11-28 03:19:20,297 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)) [2020-11-28 03:19:20,297 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)) [2020-11-28 03:19:20,297 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)) [2020-11-28 03:19:20,297 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)) [2020-11-28 03:19:20,298 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)) [2020-11-28 03:19:20,298 INFO L274 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-11-28 03:19:20,298 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)) [2020-11-28 03:19:20,298 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)) [2020-11-28 03:19:20,298 INFO L274 CegarLoopResult]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2020-11-28 03:19:20,298 INFO L274 CegarLoopResult]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2020-11-28 03:19:20,298 INFO L274 CegarLoopResult]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2020-11-28 03:19:20,298 INFO L274 CegarLoopResult]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2020-11-28 03:19:20,298 INFO L274 CegarLoopResult]: For program point L6064(line 6064) no Hoare annotation was computed. [2020-11-28 03:19:20,299 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,299 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))) [2020-11-28 03:19:20,299 INFO L274 CegarLoopResult]: For program point L6131(line 6131) no Hoare annotation was computed. [2020-11-28 03:19:20,299 INFO L274 CegarLoopResult]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2020-11-28 03:19:20,299 INFO L274 CegarLoopResult]: For program point L6032(line 6032) no Hoare annotation was computed. [2020-11-28 03:19:20,299 INFO L274 CegarLoopResult]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2020-11-28 03:19:20,299 INFO L274 CegarLoopResult]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2020-11-28 03:19:20,300 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)) [2020-11-28 03:19:20,300 INFO L274 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-11-28 03:19:20,300 INFO L274 CegarLoopResult]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2020-11-28 03:19:20,300 INFO L274 CegarLoopResult]: For program point L6100(line 6100) no Hoare annotation was computed. [2020-11-28 03:19:20,300 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)) [2020-11-28 03:19:20,300 INFO L274 CegarLoopResult]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2020-11-28 03:19:20,300 INFO L274 CegarLoopResult]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2020-11-28 03:19:20,300 INFO L274 CegarLoopResult]: For program point L6332(line 6332) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-11-28 03:19:20,301 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)) [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2020-11-28 03:19:20,301 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,302 INFO L274 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-11-28 03:19:20,302 INFO L274 CegarLoopResult]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2020-11-28 03:19:20,302 INFO L274 CegarLoopResult]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2020-11-28 03:19:20,302 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)) [2020-11-28 03:19:20,302 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)) [2020-11-28 03:19:20,302 INFO L274 CegarLoopResult]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2020-11-28 03:19:20,302 INFO L274 CegarLoopResult]: For program point L6170(line 6170) no Hoare annotation was computed. [2020-11-28 03:19:20,302 INFO L274 CegarLoopResult]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2020-11-28 03:19:20,303 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)) [2020-11-28 03:19:20,303 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)) [2020-11-28 03:19:20,303 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)) [2020-11-28 03:19:20,303 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)) [2020-11-28 03:19:20,303 INFO L274 CegarLoopResult]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2020-11-28 03:19:20,303 INFO L274 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-11-28 03:19:20,303 INFO L274 CegarLoopResult]: For program point L6139(line 6139) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6206(line 6206) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2020-11-28 03:19:20,304 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)) [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2020-11-28 03:19:20,304 INFO L274 CegarLoopResult]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L6110(line 6110) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1-4(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point L-1-6(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:20,306 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)) [2020-11-28 03:19:20,306 INFO L274 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,306 INFO L274 CegarLoopResult]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2020-11-28 03:19:20,306 INFO L274 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2020-11-28 03:19:20,306 INFO L274 CegarLoopResult]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2020-11-28 03:19:20,306 INFO L274 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-11-28 03:19:20,306 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)) [2020-11-28 03:19:20,306 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)) [2020-11-28 03:19:20,307 INFO L274 CegarLoopResult]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2020-11-28 03:19:20,307 INFO L274 CegarLoopResult]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2020-11-28 03:19:20,307 INFO L274 CegarLoopResult]: For program point L6079(line 6079) no Hoare annotation was computed. [2020-11-28 03:19:20,307 INFO L274 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-11-28 03:19:20,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:20 BoogieIcfgContainer [2020-11-28 03:19:20,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:20,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:20,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:20,355 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:20,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:13" (3/4) ... [2020-11-28 03:19:20,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:19:20,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 03:19:20,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-28 03:19:20,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 03:19:20,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:20,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:20,448 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) [2020-11-28 03:19:20,449 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) [2020-11-28 03:19:20,450 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 [2020-11-28 03:19:20,451 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 [2020-11-28 03:19:20,451 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 [2020-11-28 03:19:20,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c191a9e4-3634-4203-9a29-4b899ba7a777/bin/uautomizer/witness.graphml [2020-11-28 03:19:20,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:20,859 INFO L168 Benchmark]: Toolchain (without parser) took 11815.35 ms. Allocated memory was 125.8 MB in the beginning and 320.9 MB in the end (delta: 195.0 MB). Free memory was 95.3 MB in the beginning and 140.1 MB in the end (delta: -44.8 MB). Peak memory consumption was 220.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,859 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory was 84.0 MB in the beginning and 83.9 MB in the end (delta: 69.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:20,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1727.65 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 94.9 MB in the beginning and 78.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.07 ms. Allocated memory is still 151.0 MB. Free memory was 78.5 MB in the beginning and 69.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,860 INFO L168 Benchmark]: Boogie Preprocessor took 188.25 ms. Allocated memory is still 151.0 MB. Free memory was 69.4 MB in the beginning and 92.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,861 INFO L168 Benchmark]: RCFGBuilder took 2354.13 ms. Allocated memory was 151.0 MB in the beginning and 257.9 MB in the end (delta: 107.0 MB). Free memory was 92.9 MB in the beginning and 149.4 MB in the end (delta: -56.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,861 INFO L168 Benchmark]: TraceAbstraction took 6902.64 ms. Allocated memory was 257.9 MB in the beginning and 320.9 MB in the end (delta: 62.9 MB). Free memory was 149.4 MB in the beginning and 115.2 MB in the end (delta: 34.2 MB). Peak memory consumption was 139.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,862 INFO L168 Benchmark]: Witness Printer took 502.90 ms. Allocated memory is still 320.9 MB. Free memory was 115.2 MB in the beginning and 140.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:20,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory was 84.0 MB in the beginning and 83.9 MB in the end (delta: 69.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1727.65 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 94.9 MB in the beginning and 78.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.07 ms. Allocated memory is still 151.0 MB. Free memory was 78.5 MB in the beginning and 69.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 188.25 ms. Allocated memory is still 151.0 MB. Free memory was 69.4 MB in the beginning and 92.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2354.13 ms. Allocated memory was 151.0 MB in the beginning and 257.9 MB in the end (delta: 107.0 MB). Free memory was 92.9 MB in the beginning and 149.4 MB in the end (delta: -56.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6902.64 ms. Allocated memory was 257.9 MB in the beginning and 320.9 MB in the end (delta: 62.9 MB). Free memory was 149.4 MB in the beginning and 115.2 MB in the end (delta: 34.2 MB). Peak memory consumption was 139.8 MB. Max. memory is 16.1 GB. * Witness Printer took 502.90 ms. Allocated memory is still 320.9 MB. Free memory was 115.2 MB in the beginning and 140.1 MB in the end (delta: -24.8 MB). Peak memory consumption was 44.0 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: 5.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.4s, 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, 1.8s 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, 0.3s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.5s 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...