./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:36:57,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:36:57,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:36:57,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:36:57,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:36:57,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:36:57,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:36:57,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:36:57,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:36:57,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:36:57,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:36:57,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:36:57,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:36:57,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:36:57,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:36:57,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:36:57,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:36:57,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:36:57,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:36:57,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:36:57,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:36:57,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:36:57,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:36:57,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:36:57,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:36:57,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:36:57,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:36:57,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:36:57,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:36:57,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:36:57,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:36:57,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:36:57,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:36:57,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:36:57,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:36:57,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:36:57,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:36:57,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:36:57,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:36:57,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:36:57,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:36:57,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:36:57,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:36:57,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:36:57,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:36:57,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:36:57,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:36:57,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:36:57,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:36:57,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:36:57,222 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:36:57,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:36:57,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:36:57,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:36:57,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:36:57,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:36:57,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:36:57,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:36:57,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:36:57,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:36:57,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:36:57,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:36:57,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:36:57,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:36:57,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:36:57,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:36:57,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:36:57,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:36:57,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:36:57,226 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:36:57,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:36:57,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:36:57,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:36:57,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2021-12-14 17:36:57,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:36:57,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:36:57,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:36:57,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:36:57,450 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:36:57,451 INFO L432 ainManager$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 [2021-12-14 17:36:57,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e180a340/a6e20a976c3342d29de21bdded65c5af/FLAGacee3cd40 [2021-12-14 17:36:58,105 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:36:58,105 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 [2021-12-14 17:36:58,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e180a340/a6e20a976c3342d29de21bdded65c5af/FLAGacee3cd40 [2021-12-14 17:36:58,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e180a340/a6e20a976c3342d29de21bdded65c5af [2021-12-14 17:36:58,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:36:58,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:36:58,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:36:58,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:36:58,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:36:58,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:36:58" (1/1) ... [2021-12-14 17:36:58,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d0c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:58, skipping insertion in model container [2021-12-14 17:36:58,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:36:58" (1/1) ... [2021-12-14 17:36:58,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:36:58,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:36:59,035 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] [2021-12-14 17:36:59,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:36:59,098 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:36:59,353 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] [2021-12-14 17:36:59,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:36:59,394 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:36:59,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59 WrapperNode [2021-12-14 17:36:59,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:36:59,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:36:59,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:36:59,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:36:59,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,493 INFO L137 Inliner]: procedures = 127, calls = 966, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 848 [2021-12-14 17:36:59,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:36:59,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:36:59,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:36:59,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:36:59,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:36:59,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:36:59,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:36:59,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:36:59,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (1/1) ... [2021-12-14 17:36:59,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:36:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:36:59,664 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) [2021-12-14 17:36:59,684 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 [2021-12-14 17:36:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:36:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:36:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2021-12-14 17:36:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2021-12-14 17:36:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-14 17:36:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-14 17:36:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:36:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 17:36:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 17:36:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:36:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:36:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2021-12-14 17:36:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2021-12-14 17:36:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:36:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:36:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:36:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:36:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:36:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2021-12-14 17:36:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2021-12-14 17:36:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:36:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:36:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:36:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:36:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2021-12-14 17:36:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2021-12-14 17:36:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:36:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-14 17:36:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-14 17:36:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:36:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:36:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:37:00,012 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:37:00,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:37:00,772 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:37:00,779 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:37:00,780 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:37:00,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:37:00 BoogieIcfgContainer [2021-12-14 17:37:00,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:37:00,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:37:00,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:37:00,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:37:00,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:36:58" (1/3) ... [2021-12-14 17:37:00,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b34f102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:37:00, skipping insertion in model container [2021-12-14 17:37:00,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:36:59" (2/3) ... [2021-12-14 17:37:00,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b34f102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:37:00, skipping insertion in model container [2021-12-14 17:37:00,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:37:00" (3/3) ... [2021-12-14 17:37:00,788 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-12-14 17:37:00,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:37:00,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:37:00,827 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:37:00,832 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:37:00,832 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:37:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 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) [2021-12-14 17:37:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-14 17:37:00,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:00,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:37:00,853 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:00,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:00,857 INFO L85 PathProgramCache]: Analyzing trace with hash 717894242, now seen corresponding path program 1 times [2021-12-14 17:37:00,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:00,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373657251] [2021-12-14 17:37:00,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:00,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:01,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:01,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373657251] [2021-12-14 17:37:01,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373657251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:01,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:01,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:01,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451544803] [2021-12-14 17:37:01,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:01,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:01,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:01,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:01,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,268 INFO L87 Difference]: Start difference. First operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 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) [2021-12-14 17:37:01,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:01,376 INFO L93 Difference]: Finished difference Result 603 states and 818 transitions. [2021-12-14 17:37:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:01,378 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 [2021-12-14 17:37:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:01,394 INFO L225 Difference]: With dead ends: 603 [2021-12-14 17:37:01,394 INFO L226 Difference]: Without dead ends: 389 [2021-12-14 17:37:01,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,402 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 249 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 563 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 [2021-12-14 17:37:01,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 563 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:37:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-12-14 17:37:01,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2021-12-14 17:37:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 323 states have (on average 1.346749226006192) internal successors, (435), 329 states have internal predecessors, (435), 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) [2021-12-14 17:37:01,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 522 transitions. [2021-12-14 17:37:01,478 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 522 transitions. Word has length 16 [2021-12-14 17:37:01,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:01,478 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 522 transitions. [2021-12-14 17:37:01,478 INFO L471 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) [2021-12-14 17:37:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2021-12-14 17:37:01,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-14 17:37:01,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:01,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:37:01,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:37:01,481 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:01,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:01,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1068806708, now seen corresponding path program 1 times [2021-12-14 17:37:01,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:01,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239414305] [2021-12-14 17:37:01,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:01,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:01,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:01,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239414305] [2021-12-14 17:37:01,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239414305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:01,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:01,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:01,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926401869] [2021-12-14 17:37:01,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:01,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:01,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,586 INFO L87 Difference]: Start difference. First operand 389 states and 522 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) [2021-12-14 17:37:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:01,615 INFO L93 Difference]: Finished difference Result 407 states and 542 transitions. [2021-12-14 17:37:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:01,616 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 [2021-12-14 17:37:01,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:01,620 INFO L225 Difference]: With dead ends: 407 [2021-12-14 17:37:01,623 INFO L226 Difference]: Without dead ends: 398 [2021-12-14 17:37:01,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,627 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 268 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 292 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 [2021-12-14 17:37:01,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 292 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:37:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2021-12-14 17:37:01,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 389. [2021-12-14 17:37:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 323 states have (on average 1.3436532507739938) internal successors, (434), 329 states have internal predecessors, (434), 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) [2021-12-14 17:37:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 521 transitions. [2021-12-14 17:37:01,651 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 521 transitions. Word has length 19 [2021-12-14 17:37:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:01,651 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 521 transitions. [2021-12-14 17:37:01,652 INFO L471 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) [2021-12-14 17:37:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 521 transitions. [2021-12-14 17:37:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-14 17:37:01,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:01,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:37:01,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:37:01,654 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:01,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:01,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1126065010, now seen corresponding path program 1 times [2021-12-14 17:37:01,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:01,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677073382] [2021-12-14 17:37:01,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:01,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:01,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:01,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677073382] [2021-12-14 17:37:01,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677073382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:01,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:01,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:01,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761795956] [2021-12-14 17:37:01,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:01,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:01,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:01,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:01,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,732 INFO L87 Difference]: Start difference. First operand 389 states and 521 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) [2021-12-14 17:37:01,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:01,749 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-12-14 17:37:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:01,749 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 [2021-12-14 17:37:01,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:01,751 INFO L225 Difference]: With dead ends: 391 [2021-12-14 17:37:01,751 INFO L226 Difference]: Without dead ends: 388 [2021-12-14 17:37:01,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,756 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 255 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 270 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 [2021-12-14 17:37:01,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 270 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:37:01,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-12-14 17:37:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2021-12-14 17:37:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 323 states have (on average 1.3405572755417956) internal successors, (433), 328 states have internal predecessors, (433), 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) [2021-12-14 17:37:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 519 transitions. [2021-12-14 17:37:01,788 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 519 transitions. Word has length 19 [2021-12-14 17:37:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:01,797 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 519 transitions. [2021-12-14 17:37:01,797 INFO L471 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) [2021-12-14 17:37:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2021-12-14 17:37:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-14 17:37:01,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:01,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:37:01,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:37:01,806 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:01,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:01,807 INFO L85 PathProgramCache]: Analyzing trace with hash 548175285, now seen corresponding path program 1 times [2021-12-14 17:37:01,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:01,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153750874] [2021-12-14 17:37:01,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:01,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:01,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:01,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153750874] [2021-12-14 17:37:01,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153750874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:01,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:01,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:01,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182989626] [2021-12-14 17:37:01,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:01,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:01,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:01,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:01,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,929 INFO L87 Difference]: Start difference. First operand 388 states and 519 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) [2021-12-14 17:37:01,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:01,948 INFO L93 Difference]: Finished difference Result 390 states and 520 transitions. [2021-12-14 17:37:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:01,949 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 [2021-12-14 17:37:01,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:01,951 INFO L225 Difference]: With dead ends: 390 [2021-12-14 17:37:01,952 INFO L226 Difference]: Without dead ends: 387 [2021-12-14 17:37:01,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:01,956 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 252 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 268 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 [2021-12-14 17:37:01,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 268 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:37:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-12-14 17:37:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2021-12-14 17:37:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 323 states have (on average 1.3374613003095974) internal successors, (432), 327 states have internal predecessors, (432), 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) [2021-12-14 17:37:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 517 transitions. [2021-12-14 17:37:01,976 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 517 transitions. Word has length 20 [2021-12-14 17:37:01,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:01,977 INFO L470 AbstractCegarLoop]: Abstraction has 387 states and 517 transitions. [2021-12-14 17:37:01,978 INFO L471 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) [2021-12-14 17:37:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 517 transitions. [2021-12-14 17:37:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-14 17:37:01,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:37:01,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:37:01,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:37:01,979 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:37:01,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:37:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash -186532139, now seen corresponding path program 1 times [2021-12-14 17:37:01,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:37:01,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584919498] [2021-12-14 17:37:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:37:01,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:37:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:37:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:37:02,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:37:02,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584919498] [2021-12-14 17:37:02,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584919498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:37:02,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:37:02,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 17:37:02,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860381479] [2021-12-14 17:37:02,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:37:02,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 17:37:02,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:37:02,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 17:37:02,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:02,060 INFO L87 Difference]: Start difference. First operand 387 states and 517 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) [2021-12-14 17:37:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:37:02,081 INFO L93 Difference]: Finished difference Result 387 states and 517 transitions. [2021-12-14 17:37:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 17:37:02,082 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 [2021-12-14 17:37:02,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:37:02,082 INFO L225 Difference]: With dead ends: 387 [2021-12-14 17:37:02,082 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 17:37:02,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 17:37:02,085 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 248 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 266 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 [2021-12-14 17:37:02,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 266 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 17:37:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 17:37:02,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 17:37:02,086 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) [2021-12-14 17:37:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 17:37:02,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-12-14 17:37:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:37:02,087 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 17:37:02,087 INFO L471 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) [2021-12-14 17:37:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 17:37:02,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 17:37:02,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 17:37:02,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:37:02,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-14 17:37:03,056 INFO L858 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2021-12-14 17:37:03,056 INFO L858 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2021-12-14 17:37:03,056 INFO L861 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2021-12-14 17:37:03,056 INFO L858 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2021-12-14 17:37:03,056 INFO L858 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2021-12-14 17:37:03,056 INFO L861 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2021-12-14 17:37:03,056 INFO L858 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2021-12-14 17:37:03,056 INFO L861 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2021-12-14 17:37:03,056 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L858 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2021-12-14 17:37:03,057 INFO L861 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L858 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2021-12-14 17:37:03,058 INFO L861 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L861 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L861 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L861 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2021-12-14 17:37:03,059 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2021-12-14 17:37:03,059 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2021-12-14 17:37:03,060 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L858 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L861 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2021-12-14 17:37:03,060 INFO L858 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L854 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)) [2021-12-14 17:37:03,060 INFO L858 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2021-12-14 17:37:03,060 INFO L854 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)) [2021-12-14 17:37:03,060 INFO L854 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)) [2021-12-14 17:37:03,061 INFO L858 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2021-12-14 17:37:03,061 INFO L854 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2021-12-14 17:37:03,061 INFO L858 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2021-12-14 17:37:03,061 INFO L858 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2021-12-14 17:37:03,061 INFO L854 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)) [2021-12-14 17:37:03,061 INFO L858 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2021-12-14 17:37:03,061 INFO L854 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)) [2021-12-14 17:37:03,061 INFO L861 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2021-12-14 17:37:03,062 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,062 INFO L858 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2021-12-14 17:37:03,062 INFO L854 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)) [2021-12-14 17:37:03,062 INFO L854 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)) [2021-12-14 17:37:03,062 INFO L858 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2021-12-14 17:37:03,062 INFO L854 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)) [2021-12-14 17:37:03,062 INFO L854 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)) [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2021-12-14 17:37:03,063 INFO L854 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)) [2021-12-14 17:37:03,063 INFO L854 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)) [2021-12-14 17:37:03,063 INFO L858 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2021-12-14 17:37:03,064 INFO L854 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)) [2021-12-14 17:37:03,064 INFO L858 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2021-12-14 17:37:03,064 INFO L854 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)) [2021-12-14 17:37:03,064 INFO L854 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)) [2021-12-14 17:37:03,064 INFO L858 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2021-12-14 17:37:03,064 INFO L854 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)) [2021-12-14 17:37:03,064 INFO L858 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2021-12-14 17:37:03,064 INFO L858 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2021-12-14 17:37:03,065 INFO L858 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2021-12-14 17:37:03,065 INFO L858 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2021-12-14 17:37:03,065 INFO L858 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2021-12-14 17:37:03,065 INFO L854 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)) [2021-12-14 17:37:03,065 INFO L854 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)) [2021-12-14 17:37:03,065 INFO L858 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2021-12-14 17:37:03,065 INFO L854 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)) [2021-12-14 17:37:03,065 INFO L854 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)) [2021-12-14 17:37:03,066 INFO L861 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2021-12-14 17:37:03,066 INFO L854 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)) [2021-12-14 17:37:03,066 INFO L854 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2021-12-14 17:37:03,066 INFO L858 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2021-12-14 17:37:03,066 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2021-12-14 17:37:03,066 INFO L858 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2021-12-14 17:37:03,066 INFO L858 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2021-12-14 17:37:03,066 INFO L854 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)) [2021-12-14 17:37:03,067 INFO L854 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)) [2021-12-14 17:37:03,067 INFO L854 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)) [2021-12-14 17:37:03,067 INFO L854 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)) [2021-12-14 17:37:03,067 INFO L858 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2021-12-14 17:37:03,067 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,067 INFO L854 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)) [2021-12-14 17:37:03,067 INFO L858 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2021-12-14 17:37:03,068 INFO L854 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)) [2021-12-14 17:37:03,068 INFO L854 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)) [2021-12-14 17:37:03,068 INFO L858 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2021-12-14 17:37:03,068 INFO L854 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)) [2021-12-14 17:37:03,068 INFO L854 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)) [2021-12-14 17:37:03,068 INFO L858 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2021-12-14 17:37:03,068 INFO L858 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2021-12-14 17:37:03,068 INFO L854 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)) [2021-12-14 17:37:03,069 INFO L854 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)) [2021-12-14 17:37:03,069 INFO L858 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2021-12-14 17:37:03,069 INFO L854 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)) [2021-12-14 17:37:03,069 INFO L858 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2021-12-14 17:37:03,069 INFO L854 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)) [2021-12-14 17:37:03,069 INFO L858 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2021-12-14 17:37:03,069 INFO L854 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)) [2021-12-14 17:37:03,069 INFO L854 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)) [2021-12-14 17:37:03,070 INFO L858 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2021-12-14 17:37:03,070 INFO L858 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2021-12-14 17:37:03,070 INFO L854 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)) [2021-12-14 17:37:03,070 INFO L854 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)) [2021-12-14 17:37:03,070 INFO L858 garLoopResultBuilder]: For program point L6684-2(lines 6681 6693) no Hoare annotation was computed. [2021-12-14 17:37:03,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,070 INFO L858 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2021-12-14 17:37:03,070 INFO L858 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2021-12-14 17:37:03,070 INFO L854 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)) [2021-12-14 17:37:03,071 INFO L858 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2021-12-14 17:37:03,071 INFO L858 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2021-12-14 17:37:03,071 INFO L858 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2021-12-14 17:37:03,071 INFO L858 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2021-12-14 17:37:03,071 INFO L854 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)) [2021-12-14 17:37:03,071 INFO L858 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2021-12-14 17:37:03,071 INFO L854 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)) [2021-12-14 17:37:03,071 INFO L858 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2021-12-14 17:37:03,072 INFO L858 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2021-12-14 17:37:03,072 INFO L854 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)) [2021-12-14 17:37:03,072 INFO L854 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)) [2021-12-14 17:37:03,072 INFO L854 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)) [2021-12-14 17:37:03,072 INFO L858 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2021-12-14 17:37:03,072 INFO L858 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2021-12-14 17:37:03,072 INFO L858 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2021-12-14 17:37:03,072 INFO L858 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2021-12-14 17:37:03,073 INFO L854 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)) [2021-12-14 17:37:03,073 INFO L858 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2021-12-14 17:37:03,073 INFO L858 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2021-12-14 17:37:03,073 INFO L854 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)) [2021-12-14 17:37:03,073 INFO L858 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2021-12-14 17:37:03,073 INFO L858 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2021-12-14 17:37:03,073 INFO L858 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2021-12-14 17:37:03,073 INFO L858 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2021-12-14 17:37:03,074 INFO L854 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)) [2021-12-14 17:37:03,074 INFO L858 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2021-12-14 17:37:03,074 INFO L858 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2021-12-14 17:37:03,074 INFO L858 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2021-12-14 17:37:03,074 INFO L854 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)) [2021-12-14 17:37:03,074 INFO L854 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)) [2021-12-14 17:37:03,074 INFO L858 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2021-12-14 17:37:03,074 INFO L854 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2021-12-14 17:37:03,074 INFO L858 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2021-12-14 17:37:03,075 INFO L858 garLoopResultBuilder]: For program point L6688-1(lines 6688 6691) no Hoare annotation was computed. [2021-12-14 17:37:03,075 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,075 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,075 INFO L858 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2021-12-14 17:37:03,075 INFO L854 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)) [2021-12-14 17:37:03,075 INFO L854 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)) [2021-12-14 17:37:03,075 INFO L858 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L854 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)) [2021-12-14 17:37:03,076 INFO L858 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L854 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)) [2021-12-14 17:37:03,076 INFO L858 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L858 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L858 garLoopResultBuilder]: For program point L6706(lines 6706 6709) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L858 garLoopResultBuilder]: For program point L6706-2(lines 6706 6709) no Hoare annotation was computed. [2021-12-14 17:37:03,076 INFO L854 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)) [2021-12-14 17:37:03,077 INFO L854 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)) [2021-12-14 17:37:03,077 INFO L858 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2021-12-14 17:37:03,077 INFO L858 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2021-12-14 17:37:03,077 INFO L854 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)) [2021-12-14 17:37:03,077 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2021-12-14 17:37:03,077 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2021-12-14 17:37:03,077 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2021-12-14 17:37:03,080 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-14 17:37:03,081 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 17:37:03,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:37:03 BoogieIcfgContainer [2021-12-14 17:37:03,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 17:37:03,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 17:37:03,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 17:37:03,097 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 17:37:03,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:37:00" (3/4) ... [2021-12-14 17:37:03,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-14 17:37:03,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2021-12-14 17:37:03,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2021-12-14 17:37:03,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-12-14 17:37:03,106 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-12-14 17:37:03,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-12-14 17:37:03,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-12-14 17:37:03,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-14 17:37:03,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-14 17:37:03,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-14 17:37:03,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-14 17:37:03,194 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 17:37:03,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 17:37:03,194 INFO L158 Benchmark]: Toolchain (without parser) took 4961.45ms. Allocated memory was 107.0MB in the beginning and 329.3MB in the end (delta: 222.3MB). Free memory was 68.4MB in the beginning and 187.5MB in the end (delta: -119.1MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,194 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory was 63.4MB in the beginning and 63.3MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 17:37:03,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1162.04ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 68.1MB in the beginning and 99.7MB in the end (delta: -31.6MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.23ms. Allocated memory is still 188.7MB. Free memory was 99.7MB in the beginning and 91.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,195 INFO L158 Benchmark]: Boogie Preprocessor took 111.25ms. Allocated memory is still 188.7MB. Free memory was 91.4MB in the beginning and 130.0MB in the end (delta: -38.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,195 INFO L158 Benchmark]: RCFGBuilder took 1167.56ms. Allocated memory is still 188.7MB. Free memory was 130.0MB in the beginning and 123.3MB in the end (delta: 6.7MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,196 INFO L158 Benchmark]: TraceAbstraction took 2314.01ms. Allocated memory was 188.7MB in the beginning and 329.3MB in the end (delta: 140.5MB). Free memory was 123.3MB in the beginning and 219.2MB in the end (delta: -95.9MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,196 INFO L158 Benchmark]: Witness Printer took 97.00ms. Allocated memory is still 329.3MB. Free memory was 219.2MB in the beginning and 187.5MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-14 17:37:03,197 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 107.0MB. Free memory was 63.4MB in the beginning and 63.3MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1162.04ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 68.1MB in the beginning and 99.7MB in the end (delta: -31.6MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.23ms. Allocated memory is still 188.7MB. Free memory was 99.7MB in the beginning and 91.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.25ms. Allocated memory is still 188.7MB. Free memory was 91.4MB in the beginning and 130.0MB in the end (delta: -38.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1167.56ms. Allocated memory is still 188.7MB. Free memory was 130.0MB in the beginning and 123.3MB in the end (delta: 6.7MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2314.01ms. Allocated memory was 188.7MB in the beginning and 329.3MB in the end (delta: 140.5MB). Free memory was 123.3MB in the beginning and 219.2MB in the end (delta: -95.9MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. * Witness Printer took 97.00ms. Allocated memory is still 329.3MB. Free memory was 219.2MB in the beginning and 187.5MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. 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, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1272 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1272 mSDsluCounter, 1659 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1385 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=389occurred 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: 0.1s 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, 2698 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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! [2021-12-14 17:37:03,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE