./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 ae007674 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-dev-ae00767 [2021-12-28 03:49:18,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:49:18,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:49:18,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:49:18,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:49:18,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:49:18,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:49:18,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:49:18,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:49:18,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:49:18,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:49:18,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:49:18,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:49:18,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:49:18,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:49:18,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:49:18,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:49:18,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:49:18,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:49:18,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:49:18,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:49:18,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:49:18,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:49:18,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:49:18,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:49:18,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:49:18,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:49:18,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:49:18,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:49:18,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:49:18,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:49:18,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:49:18,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:49:18,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:49:18,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:49:18,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:49:18,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:49:18,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:49:18,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:49:18,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:49:18,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:49:18,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:49:18,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:49:18,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:49:18,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:49:18,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:49:18,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:49:18,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:49:18,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:49:18,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:49:18,215 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:49:18,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:49:18,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:49:18,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:49:18,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:49:18,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:49:18,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:49:18,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:49:18,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:49:18,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:49:18,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:49:18,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:49:18,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:49:18,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:49:18,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:49:18,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:49:18,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:49:18,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:49:18,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:49:18,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:49:18,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:49:18,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:49:18,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2021-12-28 03:49:18,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:49:18,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:49:18,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:49:18,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:49:18,454 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:49:18,455 INFO L432 ainManager$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 [2021-12-28 03:49:18,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d96e8762/7a71d97544a344fa88bd6f5c756588cd/FLAGe06ba465e [2021-12-28 03:49:19,091 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:49:19,092 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 [2021-12-28 03:49:19,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d96e8762/7a71d97544a344fa88bd6f5c756588cd/FLAGe06ba465e [2021-12-28 03:49:19,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d96e8762/7a71d97544a344fa88bd6f5c756588cd [2021-12-28 03:49:19,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:49:19,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:49:19,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:49:19,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:49:19,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:49:19,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:49:19" (1/1) ... [2021-12-28 03:49:19,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b041419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:19, skipping insertion in model container [2021-12-28 03:49:19,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:49:19" (1/1) ... [2021-12-28 03:49:19,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:49:19,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:49:20,109 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] [2021-12-28 03:49:20,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:49:20,199 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:49:20,522 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] [2021-12-28 03:49:20,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:49:20,565 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:49:20,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20 WrapperNode [2021-12-28 03:49:20,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:49:20,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:49:20,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:49:20,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:49:20,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,671 INFO L137 Inliner]: procedures = 127, calls = 966, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 848 [2021-12-28 03:49:20,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:49:20,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:49:20,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:49:20,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:49:20,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:49:20,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:49:20,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:49:20,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:49:20,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (1/1) ... [2021-12-28 03:49:20,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:49:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:49:20,772 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) [2021-12-28 03:49:20,792 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 [2021-12-28 03:49:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 03:49:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 03:49:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2021-12-28 03:49:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2021-12-28 03:49:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 03:49:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 03:49:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:49:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 03:49:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 03:49:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:49:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:49:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2021-12-28 03:49:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2021-12-28 03:49:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:49:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:49:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:49:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:49:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:49:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2021-12-28 03:49:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2021-12-28 03:49:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:49:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:49:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:49:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:49:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2021-12-28 03:49:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2021-12-28 03:49:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:49:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 03:49:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 03:49:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:49:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:49:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:49:21,211 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:49:21,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:49:22,461 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:49:22,467 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:49:22,467 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 03:49:22,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:49:22 BoogieIcfgContainer [2021-12-28 03:49:22,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:49:22,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:49:22,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:49:22,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:49:22,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:49:19" (1/3) ... [2021-12-28 03:49:22,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d153a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:49:22, skipping insertion in model container [2021-12-28 03:49:22,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:49:20" (2/3) ... [2021-12-28 03:49:22,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d153a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:49:22, skipping insertion in model container [2021-12-28 03:49:22,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:49:22" (3/3) ... [2021-12-28 03:49:22,474 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-12-28 03:49:22,477 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:49:22,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:49:22,505 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:49:22,510 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 [2021-12-28 03:49:22,510 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:49:22,523 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) [2021-12-28 03:49:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-28 03:49:22,527 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:49:22,527 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:49:22,528 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:49:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:49:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash 717894242, now seen corresponding path program 1 times [2021-12-28 03:49:22,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:49:22,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273568834] [2021-12-28 03:49:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:49:22,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:49:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:49:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:49:22,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:49:22,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273568834] [2021-12-28 03:49:22,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273568834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:49:22,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:49:22,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:49:22,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757688334] [2021-12-28 03:49:22,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:49:22,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:49:22,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:49:22,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:49:22,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:49:22,876 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) [2021-12-28 03:49:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:49:22,941 INFO L93 Difference]: Finished difference Result 603 states and 818 transitions. [2021-12-28 03:49:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:49:22,944 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 [2021-12-28 03:49:22,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:49:22,951 INFO L225 Difference]: With dead ends: 603 [2021-12-28 03:49:22,952 INFO L226 Difference]: Without dead ends: 389 [2021-12-28 03:49:22,955 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 [2021-12-28 03:49:22,957 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 [2021-12-28 03:49:22,957 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] [2021-12-28 03:49:22,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-12-28 03:49:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2021-12-28 03:49:23,015 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) [2021-12-28 03:49:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 522 transitions. [2021-12-28 03:49:23,019 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 522 transitions. Word has length 16 [2021-12-28 03:49:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:49:23,019 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 522 transitions. [2021-12-28 03:49:23,020 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) [2021-12-28 03:49:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2021-12-28 03:49:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-28 03:49:23,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:49:23,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:49:23,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:49:23,022 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:49:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:49:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1068806708, now seen corresponding path program 1 times [2021-12-28 03:49:23,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:49:23,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738499522] [2021-12-28 03:49:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:49:23,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:49:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:49:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:49:23,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:49:23,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738499522] [2021-12-28 03:49:23,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738499522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:49:23,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:49:23,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:49:23,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137677734] [2021-12-28 03:49:23,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:49:23,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:49:23,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:49:23,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:49:23,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:49:23,096 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) [2021-12-28 03:49:23,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:49:23,144 INFO L93 Difference]: Finished difference Result 407 states and 542 transitions. [2021-12-28 03:49:23,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:49:23,144 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 [2021-12-28 03:49:23,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:49:23,146 INFO L225 Difference]: With dead ends: 407 [2021-12-28 03:49:23,146 INFO L226 Difference]: Without dead ends: 398 [2021-12-28 03:49:23,147 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 [2021-12-28 03:49:23,148 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 [2021-12-28 03:49:23,149 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] [2021-12-28 03:49:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2021-12-28 03:49:23,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 389. [2021-12-28 03:49:23,172 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) [2021-12-28 03:49:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 521 transitions. [2021-12-28 03:49:23,176 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 521 transitions. Word has length 19 [2021-12-28 03:49:23,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:49:23,176 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 521 transitions. [2021-12-28 03:49:23,176 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) [2021-12-28 03:49:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 521 transitions. [2021-12-28 03:49:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-28 03:49:23,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:49:23,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:49:23,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:49:23,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:49:23,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:49:23,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1126065010, now seen corresponding path program 1 times [2021-12-28 03:49:23,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:49:23,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220542062] [2021-12-28 03:49:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:49:23,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:49:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:49:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:49:23,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:49:23,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220542062] [2021-12-28 03:49:23,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220542062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:49:23,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:49:23,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:49:23,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864504991] [2021-12-28 03:49:23,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:49:23,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:49:23,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:49:23,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:49:23,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:49:23,269 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) [2021-12-28 03:49:23,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:49:23,306 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-12-28 03:49:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:49:23,306 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 [2021-12-28 03:49:23,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:49:23,309 INFO L225 Difference]: With dead ends: 391 [2021-12-28 03:49:23,309 INFO L226 Difference]: Without dead ends: 388 [2021-12-28 03:49:23,309 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 [2021-12-28 03:49:23,312 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 [2021-12-28 03:49:23,313 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] [2021-12-28 03:49:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-12-28 03:49:23,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2021-12-28 03:49:23,330 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) [2021-12-28 03:49:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 519 transitions. [2021-12-28 03:49:23,331 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 519 transitions. Word has length 19 [2021-12-28 03:49:23,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:49:23,331 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 519 transitions. [2021-12-28 03:49:23,332 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) [2021-12-28 03:49:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2021-12-28 03:49:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-28 03:49:23,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:49:23,332 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] [2021-12-28 03:49:23,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 03:49:23,333 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:49:23,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:49:23,333 INFO L85 PathProgramCache]: Analyzing trace with hash 548175285, now seen corresponding path program 1 times [2021-12-28 03:49:23,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:49:23,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195847294] [2021-12-28 03:49:23,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:49:23,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:49:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:49:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:49:23,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:49:23,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195847294] [2021-12-28 03:49:23,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195847294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:49:23,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:49:23,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:49:23,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813306554] [2021-12-28 03:49:23,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:49:23,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:49:23,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:49:23,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:49:23,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:49:23,427 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) [2021-12-28 03:49:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:49:23,446 INFO L93 Difference]: Finished difference Result 390 states and 520 transitions. [2021-12-28 03:49:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:49:23,446 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 [2021-12-28 03:49:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:49:23,449 INFO L225 Difference]: With dead ends: 390 [2021-12-28 03:49:23,449 INFO L226 Difference]: Without dead ends: 387 [2021-12-28 03:49:23,449 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 [2021-12-28 03:49:23,450 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 [2021-12-28 03:49:23,450 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] [2021-12-28 03:49:23,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-12-28 03:49:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2021-12-28 03:49:23,461 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) [2021-12-28 03:49:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 517 transitions. [2021-12-28 03:49:23,463 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 517 transitions. Word has length 20 [2021-12-28 03:49:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:49:23,464 INFO L470 AbstractCegarLoop]: Abstraction has 387 states and 517 transitions. [2021-12-28 03:49:23,464 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) [2021-12-28 03:49:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 517 transitions. [2021-12-28 03:49:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-28 03:49:23,467 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:49:23,468 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] [2021-12-28 03:49:23,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 03:49:23,468 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:49:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:49:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash -186532139, now seen corresponding path program 1 times [2021-12-28 03:49:23,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:49:23,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648405679] [2021-12-28 03:49:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:49:23,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:49:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:49:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:49:23,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:49:23,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648405679] [2021-12-28 03:49:23,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648405679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:49:23,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:49:23,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:49:23,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960079088] [2021-12-28 03:49:23,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:49:23,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:49:23,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:49:23,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:49:23,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:49:23,541 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) [2021-12-28 03:49:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:49:23,556 INFO L93 Difference]: Finished difference Result 387 states and 517 transitions. [2021-12-28 03:49:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:49:23,557 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 [2021-12-28 03:49:23,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:49:23,557 INFO L225 Difference]: With dead ends: 387 [2021-12-28 03:49:23,557 INFO L226 Difference]: Without dead ends: 0 [2021-12-28 03:49:23,559 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 [2021-12-28 03:49:23,559 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 [2021-12-28 03:49:23,559 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] [2021-12-28 03:49:23,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-28 03:49:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-28 03:49:23,560 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) [2021-12-28 03:49:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 03:49:23,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-12-28 03:49:23,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:49:23,561 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 03:49:23,561 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) [2021-12-28 03:49:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-28 03:49:23,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-28 03:49:23,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-28 03:49:23,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 03:49:23,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-28 03:49:24,468 INFO L858 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2021-12-28 03:49:24,468 INFO L858 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L861 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L861 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L861 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L861 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L861 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L861 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2021-12-28 03:49:24,469 INFO L858 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L861 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2021-12-28 03:49:24,470 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L861 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2021-12-28 03:49:24,471 INFO L858 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L861 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2021-12-28 03:49:24,472 INFO L861 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2021-12-28 03:49:24,472 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)) [2021-12-28 03:49:24,472 INFO L858 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2021-12-28 03:49:24,473 INFO L854 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 INFO L861 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 INFO L858 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,473 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)) [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2021-12-28 03:49:24,474 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)) [2021-12-28 03:49:24,474 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)) [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2021-12-28 03:49:24,474 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)) [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2021-12-28 03:49:24,474 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)) [2021-12-28 03:49:24,474 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)) [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2021-12-28 03:49:24,474 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)) [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2021-12-28 03:49:24,474 INFO L858 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2021-12-28 03:49:24,475 INFO L858 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2021-12-28 03:49:24,475 INFO L858 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2021-12-28 03:49:24,475 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)) [2021-12-28 03:49:24,475 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)) [2021-12-28 03:49:24,475 INFO L858 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2021-12-28 03:49:24,477 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)) [2021-12-28 03:49:24,477 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)) [2021-12-28 03:49:24,477 INFO L861 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2021-12-28 03:49:24,477 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)) [2021-12-28 03:49:24,478 INFO L854 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2021-12-28 03:49:24,478 INFO L858 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2021-12-28 03:49:24,478 INFO L858 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2021-12-28 03:49:24,478 INFO L858 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2021-12-28 03:49:24,478 INFO L858 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2021-12-28 03:49:24,478 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)) [2021-12-28 03:49:24,478 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)) [2021-12-28 03:49:24,478 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)) [2021-12-28 03:49:24,479 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)) [2021-12-28 03:49:24,479 INFO L858 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2021-12-28 03:49:24,479 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,479 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)) [2021-12-28 03:49:24,479 INFO L858 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2021-12-28 03:49:24,479 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)) [2021-12-28 03:49:24,479 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)) [2021-12-28 03:49:24,480 INFO L858 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2021-12-28 03:49:24,480 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)) [2021-12-28 03:49:24,480 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)) [2021-12-28 03:49:24,480 INFO L858 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2021-12-28 03:49:24,480 INFO L858 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2021-12-28 03:49:24,480 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)) [2021-12-28 03:49:24,480 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)) [2021-12-28 03:49:24,480 INFO L858 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2021-12-28 03:49:24,481 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)) [2021-12-28 03:49:24,481 INFO L858 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2021-12-28 03:49:24,481 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)) [2021-12-28 03:49:24,481 INFO L858 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2021-12-28 03:49:24,481 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)) [2021-12-28 03:49:24,481 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)) [2021-12-28 03:49:24,481 INFO L858 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2021-12-28 03:49:24,481 INFO L858 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2021-12-28 03:49:24,482 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)) [2021-12-28 03:49:24,482 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)) [2021-12-28 03:49:24,482 INFO L858 garLoopResultBuilder]: For program point L6684-2(lines 6681 6693) no Hoare annotation was computed. [2021-12-28 03:49:24,482 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,482 INFO L858 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2021-12-28 03:49:24,482 INFO L858 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2021-12-28 03:49:24,482 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)) [2021-12-28 03:49:24,482 INFO L858 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2021-12-28 03:49:24,483 INFO L858 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2021-12-28 03:49:24,483 INFO L858 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2021-12-28 03:49:24,483 INFO L858 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2021-12-28 03:49:24,483 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)) [2021-12-28 03:49:24,483 INFO L858 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2021-12-28 03:49:24,483 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)) [2021-12-28 03:49:24,483 INFO L858 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2021-12-28 03:49:24,483 INFO L858 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2021-12-28 03:49:24,483 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)) [2021-12-28 03:49:24,484 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)) [2021-12-28 03:49:24,484 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)) [2021-12-28 03:49:24,484 INFO L858 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2021-12-28 03:49:24,484 INFO L858 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2021-12-28 03:49:24,484 INFO L858 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2021-12-28 03:49:24,484 INFO L858 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2021-12-28 03:49:24,484 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)) [2021-12-28 03:49:24,484 INFO L858 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2021-12-28 03:49:24,485 INFO L858 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2021-12-28 03:49:24,485 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)) [2021-12-28 03:49:24,485 INFO L858 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2021-12-28 03:49:24,485 INFO L858 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2021-12-28 03:49:24,485 INFO L858 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2021-12-28 03:49:24,485 INFO L858 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2021-12-28 03:49:24,485 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)) [2021-12-28 03:49:24,485 INFO L858 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2021-12-28 03:49:24,486 INFO L858 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2021-12-28 03:49:24,486 INFO L858 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2021-12-28 03:49:24,486 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)) [2021-12-28 03:49:24,486 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)) [2021-12-28 03:49:24,486 INFO L858 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2021-12-28 03:49:24,486 INFO L854 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2021-12-28 03:49:24,486 INFO L858 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2021-12-28 03:49:24,486 INFO L858 garLoopResultBuilder]: For program point L6688-1(lines 6688 6691) no Hoare annotation was computed. [2021-12-28 03:49:24,486 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,487 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,487 INFO L858 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2021-12-28 03:49:24,487 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)) [2021-12-28 03:49:24,487 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)) [2021-12-28 03:49:24,487 INFO L858 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2021-12-28 03:49:24,487 INFO L858 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-12-28 03:49:24,487 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)) [2021-12-28 03:49:24,487 INFO L858 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2021-12-28 03:49:24,488 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)) [2021-12-28 03:49:24,488 INFO L858 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2021-12-28 03:49:24,488 INFO L858 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2021-12-28 03:49:24,488 INFO L858 garLoopResultBuilder]: For program point L6706(lines 6706 6709) no Hoare annotation was computed. [2021-12-28 03:49:24,488 INFO L858 garLoopResultBuilder]: For program point L6706-2(lines 6706 6709) no Hoare annotation was computed. [2021-12-28 03:49:24,488 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)) [2021-12-28 03:49:24,488 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)) [2021-12-28 03:49:24,488 INFO L858 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2021-12-28 03:49:24,489 INFO L858 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2021-12-28 03:49:24,489 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)) [2021-12-28 03:49:24,489 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2021-12-28 03:49:24,489 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2021-12-28 03:49:24,489 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2021-12-28 03:49:24,491 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-28 03:49:24,492 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-28 03:49:24,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 03:49:24 BoogieIcfgContainer [2021-12-28 03:49:24,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-28 03:49:24,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 03:49:24,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 03:49:24,509 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 03:49:24,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:49:22" (3/4) ... [2021-12-28 03:49:24,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-28 03:49:24,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2021-12-28 03:49:24,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2021-12-28 03:49:24,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-12-28 03:49:24,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-12-28 03:49:24,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2021-12-28 03:49:24,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-12-28 03:49:24,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2021-12-28 03:49:24,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2021-12-28 03:49:24,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2021-12-28 03:49:24,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-12-28 03:49:24,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-12-28 03:49:24,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-12-28 03:49:24,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2021-12-28 03:49:24,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-28 03:49:24,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-28 03:49:24,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-28 03:49:24,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-28 03:49:24,609 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 03:49:24,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 03:49:24,610 INFO L158 Benchmark]: Toolchain (without parser) took 5301.48ms. Allocated memory was 54.5MB in the beginning and 176.2MB in the end (delta: 121.6MB). Free memory was 33.0MB in the beginning and 95.9MB in the end (delta: -62.9MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,610 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 03:49:24,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.61ms. Allocated memory was 54.5MB in the beginning and 134.2MB in the end (delta: 79.7MB). Free memory was 32.9MB in the beginning and 84.6MB in the end (delta: -51.7MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.39ms. Allocated memory is still 134.2MB. Free memory was 84.6MB in the beginning and 76.2MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,611 INFO L158 Benchmark]: Boogie Preprocessor took 75.02ms. Allocated memory is still 134.2MB. Free memory was 76.2MB in the beginning and 68.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,611 INFO L158 Benchmark]: RCFGBuilder took 1721.04ms. Allocated memory is still 134.2MB. Free memory was 68.4MB in the beginning and 69.2MB in the end (delta: -798.0kB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,612 INFO L158 Benchmark]: TraceAbstraction took 2038.31ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 68.5MB in the beginning and 57.8MB in the end (delta: 10.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,612 INFO L158 Benchmark]: Witness Printer took 101.55ms. Allocated memory is still 176.2MB. Free memory was 57.8MB in the beginning and 95.9MB in the end (delta: -38.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 03:49:24,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1257.61ms. Allocated memory was 54.5MB in the beginning and 134.2MB in the end (delta: 79.7MB). Free memory was 32.9MB in the beginning and 84.6MB in the end (delta: -51.7MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.39ms. Allocated memory is still 134.2MB. Free memory was 84.6MB in the beginning and 76.2MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.02ms. Allocated memory is still 134.2MB. Free memory was 76.2MB in the beginning and 68.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1721.04ms. Allocated memory is still 134.2MB. Free memory was 68.4MB in the beginning and 69.2MB in the end (delta: -798.0kB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2038.31ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 68.5MB in the beginning and 57.8MB in the end (delta: 10.7MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 101.55ms. Allocated memory is still 176.2MB. Free memory was 57.8MB in the beginning and 95.9MB in the end (delta: -38.1MB). Peak memory consumption was 12.6MB. 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: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1272 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1272 mSDsluCounter, 1659 SdHoareTripleChecker+Invalid, 0.1s 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, 0.0s HoareSimplificationTime, 90 FomulaSimplificationsInter, 2675 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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! [2021-12-28 03:49:24,660 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