./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:43:59,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:43:59,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:43:59,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:43:59,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:43:59,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:43:59,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:43:59,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:43:59,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:43:59,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:43:59,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:43:59,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:43:59,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:43:59,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:43:59,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:43:59,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:43:59,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:43:59,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:43:59,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:43:59,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:43:59,620 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:43:59,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:43:59,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:43:59,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:43:59,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:43:59,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:43:59,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:43:59,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:43:59,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:43:59,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:43:59,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:43:59,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:43:59,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:43:59,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:43:59,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:43:59,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:43:59,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:43:59,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:43:59,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:43:59,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:43:59,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:43:59,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:43:59,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:43:59,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:43:59,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:43:59,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:43:59,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:43:59,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:43:59,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:43:59,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:43:59,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:43:59,673 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:43:59,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:43:59,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:43:59,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:43:59,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:43:59,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:43:59,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:43:59,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:43:59,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:43:59,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:43:59,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:43:59,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:43:59,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:43:59,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:43:59,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:43:59,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:43:59,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:43:59,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:43:59,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:43:59,677 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:43:59,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:43:59,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:43:59,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2022-07-21 10:43:59,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:44:00,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:44:00,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:44:00,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:44:00,021 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:44:00,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-07-21 10:44:00,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0198e75/5a3c04ee273a47df95c97c671acad83d/FLAG4c08fc428 [2022-07-21 10:44:00,715 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:44:00,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-07-21 10:44:00,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0198e75/5a3c04ee273a47df95c97c671acad83d/FLAG4c08fc428 [2022-07-21 10:44:00,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0198e75/5a3c04ee273a47df95c97c671acad83d [2022-07-21 10:44:00,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:44:00,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:44:00,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:44:00,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:44:00,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:44:00,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:44:00" (1/1) ... [2022-07-21 10:44:00,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e124c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:00, skipping insertion in model container [2022-07-21 10:44:00,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:44:00" (1/1) ... [2022-07-21 10:44:00,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:44:00,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:44:02,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-07-21 10:44:02,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:44:02,238 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:44:02,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-07-21 10:44:02,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:44:02,681 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:44:02,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02 WrapperNode [2022-07-21 10:44:02,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:44:02,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:44:02,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:44:02,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:44:02,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,839 INFO L137 Inliner]: procedures = 127, calls = 967, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 881 [2022-07-21 10:44:02,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:44:02,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:44:02,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:44:02,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:44:02,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:44:02,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:44:02,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:44:02,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:44:02,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (1/1) ... [2022-07-21 10:44:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:44:02,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:44:03,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:44:03,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:44:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:44:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:44:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2022-07-21 10:44:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2022-07-21 10:44:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 10:44:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 10:44:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 10:44:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 10:44:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 10:44:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:44:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:44:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2022-07-21 10:44:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2022-07-21 10:44:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 10:44:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:44:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:44:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:44:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:44:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2022-07-21 10:44:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2022-07-21 10:44:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:44:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:44:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:44:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:44:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2022-07-21 10:44:03,063 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2022-07-21 10:44:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:44:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 10:44:03,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 10:44:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 10:44:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:44:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:44:03,504 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:44:03,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:44:05,857 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:44:05,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:44:05,872 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:44:05,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:44:05 BoogieIcfgContainer [2022-07-21 10:44:05,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:44:05,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:44:05,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:44:05,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:44:05,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:44:00" (1/3) ... [2022-07-21 10:44:05,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0f3e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:44:05, skipping insertion in model container [2022-07-21 10:44:05,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:02" (2/3) ... [2022-07-21 10:44:05,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0f3e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:44:05, skipping insertion in model container [2022-07-21 10:44:05,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:44:05" (3/3) ... [2022-07-21 10:44:05,884 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-07-21 10:44:05,898 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:44:05,898 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:44:05,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:44:05,980 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c848c9b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@40ea3bf4 [2022-07-21 10:44:05,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:44:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 186 states have (on average 1.3978494623655915) internal successors, (260), 192 states have internal predecessors, (260), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-07-21 10:44:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-21 10:44:06,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:06,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:44:06,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:06,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:06,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1390238051, now seen corresponding path program 1 times [2022-07-21 10:44:06,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:06,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962383053] [2022-07-21 10:44:06,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:06,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:06,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962383053] [2022-07-21 10:44:06,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962383053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:06,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:06,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:06,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959499040] [2022-07-21 10:44:06,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:06,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:06,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:06,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:06,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:06,555 INFO L87 Difference]: Start difference. First operand has 223 states, 186 states have (on average 1.3978494623655915) internal successors, (260), 192 states have internal predecessors, (260), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:06,702 INFO L93 Difference]: Finished difference Result 639 states and 890 transitions. [2022-07-21 10:44:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:06,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-21 10:44:06,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:06,723 INFO L225 Difference]: With dead ends: 639 [2022-07-21 10:44:06,723 INFO L226 Difference]: Without dead ends: 413 [2022-07-21 10:44:06,731 INFO L412 NwaCegarLoop]: 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 [2022-07-21 10:44:06,735 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 266 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:06,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 597 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:44:06,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-21 10:44:06,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-21 10:44:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 347 states have (on average 1.3515850144092219) internal successors, (469), 353 states have internal predecessors, (469), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 10:44:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 556 transitions. [2022-07-21 10:44:06,840 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 556 transitions. Word has length 16 [2022-07-21 10:44:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:06,841 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 556 transitions. [2022-07-21 10:44:06,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 556 transitions. [2022-07-21 10:44:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 10:44:06,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:06,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:44:06,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 10:44:06,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:06,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:06,848 INFO L85 PathProgramCache]: Analyzing trace with hash -862308588, now seen corresponding path program 1 times [2022-07-21 10:44:06,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:06,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738025487] [2022-07-21 10:44:06,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:06,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:06,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738025487] [2022-07-21 10:44:06,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738025487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:06,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:06,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:06,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102767223] [2022-07-21 10:44:06,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:06,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:06,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:06,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:06,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:06,974 INFO L87 Difference]: Start difference. First operand 413 states and 556 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:07,016 INFO L93 Difference]: Finished difference Result 431 states and 576 transitions. [2022-07-21 10:44:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:07,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 10:44:07,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:07,019 INFO L225 Difference]: With dead ends: 431 [2022-07-21 10:44:07,019 INFO L226 Difference]: Without dead ends: 422 [2022-07-21 10:44:07,020 INFO L412 NwaCegarLoop]: 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 [2022-07-21 10:44:07,021 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 285 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:07,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 309 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:44:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-07-21 10:44:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 413. [2022-07-21 10:44:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 347 states have (on average 1.3487031700288183) internal successors, (468), 353 states have internal predecessors, (468), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 10:44:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 555 transitions. [2022-07-21 10:44:07,049 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 555 transitions. Word has length 19 [2022-07-21 10:44:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:07,049 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 555 transitions. [2022-07-21 10:44:07,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 555 transitions. [2022-07-21 10:44:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 10:44:07,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:07,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:44:07,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 10:44:07,051 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash -805050286, now seen corresponding path program 1 times [2022-07-21 10:44:07,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:07,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660943891] [2022-07-21 10:44:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:07,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:07,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660943891] [2022-07-21 10:44:07,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660943891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:07,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:07,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:07,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374076123] [2022-07-21 10:44:07,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:07,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:07,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:07,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:07,195 INFO L87 Difference]: Start difference. First operand 413 states and 555 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:07,228 INFO L93 Difference]: Finished difference Result 415 states and 556 transitions. [2022-07-21 10:44:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:07,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 10:44:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:07,234 INFO L225 Difference]: With dead ends: 415 [2022-07-21 10:44:07,234 INFO L226 Difference]: Without dead ends: 412 [2022-07-21 10:44:07,238 INFO L412 NwaCegarLoop]: 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 [2022-07-21 10:44:07,241 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 272 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:07,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 287 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:44:07,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-07-21 10:44:07,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2022-07-21 10:44:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 347 states have (on average 1.345821325648415) internal successors, (467), 352 states have internal predecessors, (467), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 10:44:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 553 transitions. [2022-07-21 10:44:07,278 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 553 transitions. Word has length 19 [2022-07-21 10:44:07,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:07,278 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 553 transitions. [2022-07-21 10:44:07,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2022-07-21 10:44:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 10:44:07,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:07,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:44:07,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 10:44:07,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:07,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:07,281 INFO L85 PathProgramCache]: Analyzing trace with hash 813145206, now seen corresponding path program 1 times [2022-07-21 10:44:07,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:07,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143786669] [2022-07-21 10:44:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:07,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:07,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143786669] [2022-07-21 10:44:07,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143786669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:07,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:07,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:07,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301446512] [2022-07-21 10:44:07,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:07,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:07,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:07,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:07,379 INFO L87 Difference]: Start difference. First operand 412 states and 553 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:07,405 INFO L93 Difference]: Finished difference Result 414 states and 554 transitions. [2022-07-21 10:44:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:07,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-21 10:44:07,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:07,408 INFO L225 Difference]: With dead ends: 414 [2022-07-21 10:44:07,408 INFO L226 Difference]: Without dead ends: 411 [2022-07-21 10:44:07,408 INFO L412 NwaCegarLoop]: 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 [2022-07-21 10:44:07,409 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 269 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:07,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 285 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:44:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-07-21 10:44:07,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2022-07-21 10:44:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 347 states have (on average 1.3429394812680115) internal successors, (466), 351 states have internal predecessors, (466), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-07-21 10:44:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 551 transitions. [2022-07-21 10:44:07,427 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 551 transitions. Word has length 20 [2022-07-21 10:44:07,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:07,428 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 551 transitions. [2022-07-21 10:44:07,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 551 transitions. [2022-07-21 10:44:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-21 10:44:07,429 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:44:07,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:44:07,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 10:44:07,430 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:44:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:44:07,430 INFO L85 PathProgramCache]: Analyzing trace with hash -562397227, now seen corresponding path program 1 times [2022-07-21 10:44:07,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:44:07,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877110405] [2022-07-21 10:44:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:44:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:44:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:44:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:44:07,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:44:07,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877110405] [2022-07-21 10:44:07,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877110405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:44:07,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:44:07,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:44:07,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937873081] [2022-07-21 10:44:07,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:44:07,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:44:07,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:44:07,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:44:07,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:44:07,531 INFO L87 Difference]: Start difference. First operand 411 states and 551 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:44:07,552 INFO L93 Difference]: Finished difference Result 411 states and 551 transitions. [2022-07-21 10:44:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:44:07,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-07-21 10:44:07,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:44:07,561 INFO L225 Difference]: With dead ends: 411 [2022-07-21 10:44:07,561 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 10:44:07,563 INFO L412 NwaCegarLoop]: 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 [2022-07-21 10:44:07,565 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 265 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:44:07,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 283 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:44:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 10:44:07,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 10:44:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 10:44:07,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-07-21 10:44:07,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:44:07,568 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 10:44:07,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:44:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 10:44:07,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 10:44:07,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 10:44:07,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 10:44:07,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 10:44:08,789 INFO L899 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2022-07-21 10:44:08,790 INFO L899 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L902 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2022-07-21 10:44:08,790 INFO L899 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L902 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2022-07-21 10:44:08,790 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2022-07-21 10:44:08,790 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L902 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L902 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2022-07-21 10:44:08,791 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2022-07-21 10:44:08,791 INFO L902 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2022-07-21 10:44:08,791 INFO L902 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L899 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2022-07-21 10:44:08,792 INFO L899 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2022-07-21 10:44:08,792 INFO L899 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2022-07-21 10:44:08,792 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L902 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2022-07-21 10:44:08,792 INFO L899 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2022-07-21 10:44:08,793 INFO L899 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2022-07-21 10:44:08,793 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2022-07-21 10:44:08,793 INFO L902 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2022-07-21 10:44:08,793 INFO L899 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2022-07-21 10:44:08,793 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2022-07-21 10:44:08,793 INFO L902 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2022-07-21 10:44:08,793 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2022-07-21 10:44:08,793 INFO L902 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2022-07-21 10:44:08,793 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2022-07-21 10:44:08,793 INFO L902 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2022-07-21 10:44:08,793 INFO L902 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2022-07-21 10:44:08,793 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L902 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2022-07-21 10:44:08,794 INFO L902 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2022-07-21 10:44:08,794 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2022-07-21 10:44:08,794 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2022-07-21 10:44:08,795 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2022-07-21 10:44:08,796 INFO L895 garLoopResultBuilder]: At program point L6675(lines 6662 6677) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L895 garLoopResultBuilder]: At program point L8063(lines 8062 8064) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L895 garLoopResultBuilder]: At program point L6643-3(lines 6640 6645) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2022-07-21 10:44:08,796 INFO L895 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,796 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2022-07-21 10:44:08,797 INFO L895 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,797 INFO L899 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2022-07-21 10:44:08,797 INFO L899 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2022-07-21 10:44:08,797 INFO L899 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2022-07-21 10:44:08,797 INFO L899 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2022-07-21 10:44:08,797 INFO L895 garLoopResultBuilder]: At program point L8066(lines 8065 8067) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,797 INFO L895 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,797 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2022-07-21 10:44:08,797 INFO L895 garLoopResultBuilder]: At program point L8100(lines 8099 8101) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,797 INFO L895 garLoopResultBuilder]: At program point L8001(lines 7995 8003) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,797 INFO L895 garLoopResultBuilder]: At program point L7342(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2022-07-21 10:44:08,798 INFO L895 garLoopResultBuilder]: At program point L8036-2(lines 8035 8037) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2022-07-21 10:44:08,798 INFO L895 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L899 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2022-07-21 10:44:08,798 INFO L895 garLoopResultBuilder]: At program point L7442(lines 7389 7444) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L895 garLoopResultBuilder]: At program point L7344(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L895 garLoopResultBuilder]: At program point L7377(lines 7360 7380) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L895 garLoopResultBuilder]: At program point L8104(lines 8103 8105) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,798 INFO L899 garLoopResultBuilder]: For program point L6684-1(lines 6681 6693) no Hoare annotation was computed. [2022-07-21 10:44:08,798 INFO L899 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L895 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L895 garLoopResultBuilder]: At program point L6619(lines 6615 6621) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L6685-2(line 6685) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L6685(line 6685) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L6685-6(line 6685) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L6685-4(line 6685) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L899 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2022-07-21 10:44:08,799 INFO L895 garLoopResultBuilder]: At program point L7346(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,799 INFO L895 garLoopResultBuilder]: At program point L7379(lines 7358 7381) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L895 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L6688(lines 6688 6691) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2022-07-21 10:44:08,800 INFO L895 garLoopResultBuilder]: At program point L7580(lines 7505 7585) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,800 INFO L899 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L6689-2(line 6689) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L6689(line 6689) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L6689-6(line 6689) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L6689-4(line 6689) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L895 garLoopResultBuilder]: At program point L6724(lines 6695 6726) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L895 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2022-07-21 10:44:08,801 INFO L895 garLoopResultBuilder]: At program point L7286(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,801 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L895 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2022-07-21 10:44:08,802 INFO L895 garLoopResultBuilder]: At program point L6692(lines 6678 6694) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,802 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L902 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2022-07-21 10:44:08,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L895 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,802 INFO L895 garLoopResultBuilder]: At program point L7485(lines 7481 7487) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,802 INFO L895 garLoopResultBuilder]: At program point L8047(lines 8046 8048) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,802 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2022-07-21 10:44:08,802 INFO L895 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,803 INFO L895 garLoopResultBuilder]: At program point L7288(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,803 INFO L895 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,803 INFO L899 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2022-07-21 10:44:08,803 INFO L895 garLoopResultBuilder]: At program point L7355(lines 7248 7357) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,806 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2022-07-21 10:44:08,806 INFO L895 garLoopResultBuilder]: At program point L7290(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,806 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2022-07-21 10:44:08,806 INFO L895 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,807 INFO L902 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2022-07-21 10:44:08,807 INFO L895 garLoopResultBuilder]: At program point L8083-2(lines 8082 8084) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,807 INFO L895 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2022-07-21 10:44:08,807 INFO L899 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2022-07-21 10:44:08,807 INFO L899 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2022-07-21 10:44:08,807 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2022-07-21 10:44:08,808 INFO L895 garLoopResultBuilder]: At program point L7456(lines 7445 7458) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,808 INFO L895 garLoopResultBuilder]: At program point L7324(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,808 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2022-07-21 10:44:08,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,808 INFO L895 garLoopResultBuilder]: At program point L7656(lines 7647 7658) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,808 INFO L895 garLoopResultBuilder]: At program point L7326(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,808 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2022-07-21 10:44:08,809 INFO L895 garLoopResultBuilder]: At program point L8053-2(lines 8052 8054) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,809 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2022-07-21 10:44:08,809 INFO L895 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,809 INFO L899 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2022-07-21 10:44:08,809 INFO L895 garLoopResultBuilder]: At program point L7492(lines 7488 7494) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,809 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2022-07-21 10:44:08,810 INFO L899 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2022-07-21 10:44:08,810 INFO L899 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2022-07-21 10:44:08,810 INFO L895 garLoopResultBuilder]: At program point L7328(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,810 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,810 INFO L899 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2022-07-21 10:44:08,810 INFO L899 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2022-07-21 10:44:08,810 INFO L899 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2022-07-21 10:44:08,811 INFO L899 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2022-07-21 10:44:08,811 INFO L895 garLoopResultBuilder]: At program point L8023(lines 8022 8024) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,811 INFO L895 garLoopResultBuilder]: At program point L6768(lines 6758 6770) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,811 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2022-07-21 10:44:08,811 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2022-07-21 10:44:08,811 INFO L895 garLoopResultBuilder]: At program point L8090(lines 8089 8091) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,811 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2022-07-21 10:44:08,812 INFO L895 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,812 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2022-07-21 10:44:08,812 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2022-07-21 10:44:08,812 INFO L899 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2022-07-21 10:44:08,812 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2022-07-21 10:44:08,812 INFO L895 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,813 INFO L899 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2022-07-21 10:44:08,813 INFO L895 garLoopResultBuilder]: At program point L6605(lines 6601 6607) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,813 INFO L895 garLoopResultBuilder]: At program point L7431(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,813 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2022-07-21 10:44:08,813 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,813 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,813 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,814 INFO L895 garLoopResultBuilder]: At program point L8059(lines 8058 8060) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,814 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-07-21 10:44:08,814 INFO L899 garLoopResultBuilder]: For program point L6705-2(line 6705) no Hoare annotation was computed. [2022-07-21 10:44:08,814 INFO L899 garLoopResultBuilder]: For program point L6705(line 6705) no Hoare annotation was computed. [2022-07-21 10:44:08,814 INFO L899 garLoopResultBuilder]: For program point L6705-6(line 6705) no Hoare annotation was computed. [2022-07-21 10:44:08,814 INFO L895 garLoopResultBuilder]: At program point L7564(lines 7505 7585) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,814 INFO L899 garLoopResultBuilder]: For program point L6705-4(line 6705) no Hoare annotation was computed. [2022-07-21 10:44:08,815 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2022-07-21 10:44:08,815 INFO L899 garLoopResultBuilder]: For program point L6705-8(lines 6702 6725) no Hoare annotation was computed. [2022-07-21 10:44:08,815 INFO L895 garLoopResultBuilder]: At program point L7664(lines 7659 7666) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,815 INFO L899 garLoopResultBuilder]: For program point L6706-1(lines 6706 6709) no Hoare annotation was computed. [2022-07-21 10:44:08,815 INFO L895 garLoopResultBuilder]: At program point L7334(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-07-21 10:44:08,815 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2022-07-21 10:44:08,815 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2022-07-21 10:44:08,816 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2022-07-21 10:44:08,816 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2022-07-21 10:44:08,819 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 10:44:08,821 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 10:44:08,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:44:08 BoogieIcfgContainer [2022-07-21 10:44:08,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 10:44:08,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 10:44:08,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 10:44:08,843 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 10:44:08,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:44:05" (3/4) ... [2022-07-21 10:44:08,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 10:44:08,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2022-07-21 10:44:08,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2022-07-21 10:44:08,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-07-21 10:44:08,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-07-21 10:44:08,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2022-07-21 10:44:08,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-07-21 10:44:08,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2022-07-21 10:44:08,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-07-21 10:44:08,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2022-07-21 10:44:08,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-07-21 10:44:08,860 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-07-21 10:44:08,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2022-07-21 10:44:08,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2022-07-21 10:44:08,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-21 10:44:08,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-21 10:44:08,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 10:44:08,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 10:44:09,009 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 10:44:09,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 10:44:09,010 INFO L158 Benchmark]: Toolchain (without parser) took 8165.27ms. Allocated memory was 58.7MB in the beginning and 186.6MB in the end (delta: 127.9MB). Free memory was 28.1MB in the beginning and 90.4MB in the end (delta: -62.3MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,011 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:44:09,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1836.81ms. Allocated memory was 58.7MB in the beginning and 127.9MB in the end (delta: 69.2MB). Free memory was 27.7MB in the beginning and 73.3MB in the end (delta: -45.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.07ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 64.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,012 INFO L158 Benchmark]: Boogie Preprocessor took 115.74ms. Allocated memory is still 127.9MB. Free memory was 64.9MB in the beginning and 57.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,012 INFO L158 Benchmark]: RCFGBuilder took 2920.06ms. Allocated memory is still 127.9MB. Free memory was 57.0MB in the beginning and 67.6MB in the end (delta: -10.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,012 INFO L158 Benchmark]: TraceAbstraction took 2963.78ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 67.0MB in the beginning and 105.6MB in the end (delta: -38.6MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,012 INFO L158 Benchmark]: Witness Printer took 167.49ms. Allocated memory is still 186.6MB. Free memory was 105.6MB in the beginning and 90.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-21 10:44:09,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1836.81ms. Allocated memory was 58.7MB in the beginning and 127.9MB in the end (delta: 69.2MB). Free memory was 27.7MB in the beginning and 73.3MB in the end (delta: -45.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.07ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 64.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.74ms. Allocated memory is still 127.9MB. Free memory was 64.9MB in the beginning and 57.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2920.06ms. Allocated memory is still 127.9MB. Free memory was 57.0MB in the beginning and 67.6MB in the end (delta: -10.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2963.78ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 67.0MB in the beginning and 105.6MB in the end (delta: -38.6MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * Witness Printer took 167.49ms. Allocated memory is still 186.6MB. Free memory was 105.6MB in the beginning and 90.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1357 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1357 mSDsluCounter, 1761 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 291 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1470 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 246 PreInvPairs, 349 NumberOfFragments, 756 HoareAnnotationTreeSize, 246 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 90 FomulaSimplificationsInter, 2675 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8052]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8062]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6615]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8103]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8099]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7659]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6695]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8089]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8065]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6640]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6758]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6678]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7445]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8058]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8082]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6662]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8046]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2022-07-21 10:44:09,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE