./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.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 e4d7e27b05b7d29de43132756dbb614e1cb7b4e1900112b2ec79bc9c084c63eb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:56,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:56,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:56,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:56,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:56,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:56,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:56,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:56,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:56,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:56,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:56,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:56,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:56,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:56,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:56,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:56,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:56,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:56,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:56,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:56,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:56,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:56,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:56,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:56,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:56,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:56,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:56,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:56,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:56,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:56,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:56,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:56,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:56,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:56,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:56,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:56,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:56,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:56,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:56,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:56,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:56,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:56,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:56,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:56,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:56,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:56,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:56,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:56,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:56,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:56,263 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:56,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:56,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:56,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:56,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:56,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:56,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:56,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:56,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:56,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:56,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:56,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:56,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:56,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:56,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:56,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:56,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:56,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:56,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:56,267 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:56,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:56,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:56,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:56,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7e27b05b7d29de43132756dbb614e1cb7b4e1900112b2ec79bc9c084c63eb [2021-12-15 12:33:56,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:56,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:56,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:56,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:56,475 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:56,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2021-12-15 12:33:56,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2cba5fb1/8012d011b77449b6a735ca374f22a199/FLAGc8651e694 [2021-12-15 12:33:57,217 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:57,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2021-12-15 12:33:57,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2cba5fb1/8012d011b77449b6a735ca374f22a199/FLAGc8651e694 [2021-12-15 12:33:57,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2cba5fb1/8012d011b77449b6a735ca374f22a199 [2021-12-15 12:33:57,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:57,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:57,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:57,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:57,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:57,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3e6d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57, skipping insertion in model container [2021-12-15 12:33:57,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:57,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:58,526 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2021-12-15 12:33:58,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:58,638 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:58,832 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2021-12-15 12:33:58,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:58,870 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:58,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58 WrapperNode [2021-12-15 12:33:58,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:58,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:58,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:58,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:58,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:58,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,005 INFO L137 Inliner]: procedures = 119, calls = 909, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 2394 [2021-12-15 12:33:59,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:59,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:59,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:59,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:59,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:59,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:59,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:59,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:59,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (1/1) ... [2021-12-15 12:33:59,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:59,185 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) [2021-12-15 12:33:59,204 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 [2021-12-15 12:33:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-12-15 12:33:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-12-15 12:33:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:33:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_await_ready2 [2021-12-15 12:33:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_await_ready2 [2021-12-15 12:33:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_await_ready1 [2021-12-15 12:33:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_await_ready1 [2021-12-15 12:33:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2021-12-15 12:33:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2021-12-15 12:33:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure cqcam_cleanup [2021-12-15 12:33:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cqcam_cleanup [2021-12-15 12:33:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_set_ack [2021-12-15 12:33:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_set_ack [2021-12-15 12:33:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure qc_setup [2021-12-15 12:33:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_setup [2021-12-15 12:33:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure cq_detach [2021-12-15 12:33:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_detach [2021-12-15 12:33:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2021-12-15 12:33:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2021-12-15 12:33:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_set [2021-12-15 12:33:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_set [2021-12-15 12:33:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-15 12:33:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-15 12:33:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_ready2 [2021-12-15 12:33:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_ready2 [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_ready1 [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_ready1 [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure cq_attach [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_attach [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_read_data [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_read_data [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 12:33:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-15 12:33:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-15 12:33:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 12:33:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:33:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:33:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-15 12:33:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-15 12:33:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-15 12:33:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure cqcam_init [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cqcam_init [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_read_bytes [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_read_bytes [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure qc_reset [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_reset [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_try_fmt_vid_cap [2021-12-15 12:33:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_try_fmt_vid_cap [2021-12-15 12:33:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_write_data [2021-12-15 12:33:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_write_data [2021-12-15 12:33:59,683 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:59,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:00,337 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:00,338 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:00,340 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:00,343 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:00,343 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:00,344 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:10,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4769: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4771: assume 2 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2021-12-15 12:34:10,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4771: assume !(2 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2021-12-15 12:34:10,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4772: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,553 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4774: assume 4 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4774: assume !(4 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4775: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4777: assume 8 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4777: assume !(8 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4778: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5010: __copy_to_user_~tmp___11~0#1 := __copy_to_user_#t~ret11#1;havoc __copy_to_user_#t~ret11#1;__copy_to_user_~tmp___10~0#1 := __copy_to_user_~tmp___11~0#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___10~0#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___10~0#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___10~0#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4978: assume 0 != __copy_to_user_~tmp___9~0#1;__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4978: assume !(0 != __copy_to_user_~tmp___9~0#1);__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4780: assume 10 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4780: assume !(10 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4781: __copy_to_user_~tmp___8~0#1 := (if !(0 == __copy_to_user_~ret~1#1) then 1 else 0); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4783: assume 16 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2021-12-15 12:34:10,554 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4783: assume !(16 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4784: __copy_to_user_~tmp___9~0#1 := (if !(0 == __copy_to_user_~ret~1#1) then 1 else 0); [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4786: SUMMARY for call __copy_to_user_#t~ret11#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4920: assume 0 != __copy_to_user_~tmp___8~0#1;__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4920: assume !(0 != __copy_to_user_~tmp___8~0#1);__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume 1 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296); [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##225: assume !false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##224: assume false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##101: assume !(1 == (if __copy_to_user_~size#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_~size#1 % 4294967296 % 4294967296 else __copy_to_user_~size#1 % 4294967296 % 4294967296 - 4294967296)); [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2021-12-15 12:34:10,555 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2021-12-15 12:34:10,556 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-12-15 12:34:10,556 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-12-15 12:34:10,556 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-12-15 12:34:10,591 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:10,617 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:10,618 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-15 12:34:10,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:10 BoogieIcfgContainer [2021-12-15 12:34:10,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:10,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:10,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:10,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:10,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:57" (1/3) ... [2021-12-15 12:34:10,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d1ccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:10, skipping insertion in model container [2021-12-15 12:34:10,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:58" (2/3) ... [2021-12-15 12:34:10,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d1ccc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:10, skipping insertion in model container [2021-12-15 12:34:10,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:10" (3/3) ... [2021-12-15 12:34:10,638 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2021-12-15 12:34:10,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:10,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:10,678 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:10,682 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 [2021-12-15 12:34:10,683 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 663 states, 469 states have (on average 1.371002132196162) internal successors, (643), 477 states have internal predecessors, (643), 156 states have call successors, (156), 36 states have call predecessors, (156), 36 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2021-12-15 12:34:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 12:34:10,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:10,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:34:10,710 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:10,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:10,715 INFO L85 PathProgramCache]: Analyzing trace with hash 470657865, now seen corresponding path program 1 times [2021-12-15 12:34:10,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:34:10,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363896161] [2021-12-15 12:34:10,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:10,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:34:10,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:34:10,855 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:10,860 INFO L158 Benchmark]: Toolchain (without parser) took 13288.06ms. Allocated memory was 121.6MB in the beginning and 935.3MB in the end (delta: 813.7MB). Free memory was 79.4MB in the beginning and 521.0MB in the end (delta: -441.6MB). Peak memory consumption was 372.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:10,861 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:10,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1300.60ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 79.1MB in the beginning and 93.0MB in the end (delta: -13.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:10,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.03ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:10,863 INFO L158 Benchmark]: Boogie Preprocessor took 150.89ms. Allocated memory is still 153.1MB. Free memory was 78.3MB in the beginning and 61.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:34:10,866 INFO L158 Benchmark]: RCFGBuilder took 11463.43ms. Allocated memory was 153.1MB in the beginning and 935.3MB in the end (delta: 782.2MB). Free memory was 61.1MB in the beginning and 543.0MB in the end (delta: -481.9MB). Peak memory consumption was 539.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:10,868 INFO L158 Benchmark]: TraceAbstraction took 234.85ms. Allocated memory is still 935.3MB. Free memory was 543.0MB in the beginning and 521.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:34:10,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1300.60ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 79.1MB in the beginning and 93.0MB in the end (delta: -13.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.03ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.89ms. Allocated memory is still 153.1MB. Free memory was 78.3MB in the beginning and 61.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 11463.43ms. Allocated memory was 153.1MB in the beginning and 935.3MB in the end (delta: 782.2MB). Free memory was 61.1MB in the beginning and 543.0MB in the end (delta: -481.9MB). Peak memory consumption was 539.5MB. Max. memory is 16.1GB. * TraceAbstraction took 234.85ms. Allocated memory is still 935.3MB. Free memory was 543.0MB in the beginning and 521.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:10,934 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 e4d7e27b05b7d29de43132756dbb614e1cb7b4e1900112b2ec79bc9c084c63eb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:13,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:13,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:13,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:13,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:13,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:13,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:13,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:13,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:13,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:13,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:13,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:13,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:13,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:13,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:13,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:13,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:13,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:13,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:13,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:13,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:13,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:13,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:13,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:13,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:13,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:13,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:13,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:13,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:13,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:13,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:13,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:13,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:13,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:13,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:13,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:13,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:13,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:13,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:13,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:13,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:13,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:13,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:13,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:13,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:13,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:13,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:13,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:13,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:13,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:13,194 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:13,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:13,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:13,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:13,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:13,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:13,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:13,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:13,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:13,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:13,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:13,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:13,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:13,198 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7e27b05b7d29de43132756dbb614e1cb7b4e1900112b2ec79bc9c084c63eb [2021-12-15 12:34:13,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:13,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:13,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:13,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:13,506 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:13,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2021-12-15 12:34:13,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2444bbe4d/239c108259a74fc18d9749a20b6d39a0/FLAG4d1dffc75 [2021-12-15 12:34:14,214 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:14,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2021-12-15 12:34:14,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2444bbe4d/239c108259a74fc18d9749a20b6d39a0/FLAG4d1dffc75 [2021-12-15 12:34:14,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2444bbe4d/239c108259a74fc18d9749a20b6d39a0 [2021-12-15 12:34:14,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:14,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:14,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:14,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:14,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:14,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a52c161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14, skipping insertion in model container [2021-12-15 12:34:14,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:14,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:16,039 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2021-12-15 12:34:16,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:16,165 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:16,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:16,373 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2021-12-15 12:34:16,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:16,408 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:16,584 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-linux-3.0/usb_urb-drivers-media-video-c-qcam.ko.cil.out.i[218115,218128] [2021-12-15 12:34:16,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:16,630 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:16,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16 WrapperNode [2021-12-15 12:34:16,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:16,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:16,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:16,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:16,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,763 INFO L137 Inliner]: procedures = 125, calls = 908, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 2345 [2021-12-15 12:34:16,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:16,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:16,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:16,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:16,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:16,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:16,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:16,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:16,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (1/1) ... [2021-12-15 12:34:16,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:16,928 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) [2021-12-15 12:34:16,947 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 [2021-12-15 12:34:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-12-15 12:34:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_await_ready2 [2021-12-15 12:34:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_await_ready2 [2021-12-15 12:34:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_await_ready1 [2021-12-15 12:34:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_await_ready1 [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2021-12-15 12:34:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure cqcam_cleanup [2021-12-15 12:34:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cqcam_cleanup [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_set_ack [2021-12-15 12:34:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_set_ack [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure qc_setup [2021-12-15 12:34:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_setup [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure cq_detach [2021-12-15 12:34:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_detach [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UCHAR~TO~VOID [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UCHAR~TO~VOID [2021-12-15 12:34:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2021-12-15 12:34:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_set [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_set [2021-12-15 12:34:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-15 12:34:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_ready2 [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_ready2 [2021-12-15 12:34:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:34:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_ready1 [2021-12-15 12:34:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_ready1 [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure cq_attach [2021-12-15 12:34:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_attach [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-15 12:34:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_read_data [2021-12-15 12:34:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_read_data [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-15 12:34:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2021-12-15 12:34:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-15 12:34:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_UCHAR [2021-12-15 12:34:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_UCHAR [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 12:34:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:34:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-15 12:34:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-15 12:34:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure cqcam_init [2021-12-15 12:34:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cqcam_init [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 12:34:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_read_bytes [2021-12-15 12:34:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_read_bytes [2021-12-15 12:34:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:34:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:34:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2021-12-15 12:34:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2021-12-15 12:34:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure qc_reset [2021-12-15 12:34:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_reset [2021-12-15 12:34:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_try_fmt_vid_cap [2021-12-15 12:34:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_try_fmt_vid_cap [2021-12-15 12:34:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure qcam_write_data [2021-12-15 12:34:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure qcam_write_data [2021-12-15 12:34:17,386 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:17,388 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:22,928 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:22,929 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:22,934 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:22,937 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:22,938 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:22,939 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4769: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4771: assume 2bv32 == __copy_to_user_~size#1; [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4771: assume !(2bv32 == __copy_to_user_~size#1); [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4772: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4774: assume 4bv32 == __copy_to_user_~size#1; [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4774: assume !(4bv32 == __copy_to_user_~size#1); [2021-12-15 12:34:44,065 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4775: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4777: assume 8bv32 == __copy_to_user_~size#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4777: assume !(8bv32 == __copy_to_user_~size#1); [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4778: __copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L5010: __copy_to_user_~tmp___11~0#1 := __copy_to_user_#t~ret11#1;havoc __copy_to_user_#t~ret11#1;__copy_to_user_~tmp___10~0#1 := __copy_to_user_~tmp___11~0#1;__copy_to_user_#res#1 := __copy_to_user_~tmp___10~0#1[32:0]; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4978: assume 0bv64 != __copy_to_user_~tmp___9~0#1;__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4978: assume !(0bv64 != __copy_to_user_~tmp___9~0#1);__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4780: assume 10bv32 == __copy_to_user_~size#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4780: assume !(10bv32 == __copy_to_user_~size#1); [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4781: __copy_to_user_~tmp___8~0#1 := ~sign_extendFrom32To64((if !(0bv32 == __copy_to_user_~ret~1#1) then 1bv32 else 0bv32)); [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4783: assume 16bv32 == __copy_to_user_~size#1; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4783: assume !(16bv32 == __copy_to_user_~size#1); [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-12-15 12:34:44,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4784: __copy_to_user_~tmp___9~0#1 := ~sign_extendFrom32To64((if !(0bv32 == __copy_to_user_~ret~1#1) then 1bv32 else 0bv32)); [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4786: SUMMARY for call __copy_to_user_#t~ret11#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4920: assume 0bv64 != __copy_to_user_~tmp___8~0#1;__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L4920: assume !(0bv64 != __copy_to_user_~tmp___8~0#1);__copy_to_user_#res#1 := __copy_to_user_~ret~1#1; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume 1bv32 == __copy_to_user_~size#1; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##225: assume !false; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##224: assume false; [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##101: assume !(1bv32 == __copy_to_user_~size#1); [2021-12-15 12:34:44,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-12-15 12:34:44,068 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2021-12-15 12:34:44,068 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2021-12-15 12:34:44,068 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-12-15 12:34:44,069 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-12-15 12:34:44,069 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-12-15 12:34:44,380 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:34:44,394 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:34:44,395 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-15 12:34:44,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:44 BoogieIcfgContainer [2021-12-15 12:34:44,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:34:44,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:34:44,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:34:44,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:34:44,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:34:14" (1/3) ... [2021-12-15 12:34:44,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10904ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:44, skipping insertion in model container [2021-12-15 12:34:44,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:16" (2/3) ... [2021-12-15 12:34:44,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10904ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:34:44, skipping insertion in model container [2021-12-15 12:34:44,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:34:44" (3/3) ... [2021-12-15 12:34:44,405 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-c-qcam.ko.cil.out.i [2021-12-15 12:34:44,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:34:44,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:34:44,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:34:44,454 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 [2021-12-15 12:34:44,455 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:34:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 663 states, 469 states have (on average 1.371002132196162) internal successors, (643), 477 states have internal predecessors, (643), 156 states have call successors, (156), 36 states have call predecessors, (156), 36 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2021-12-15 12:34:44,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 12:34:44,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:34:44,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:34:44,486 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:34:44,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:34:44,490 INFO L85 PathProgramCache]: Analyzing trace with hash -51657399, now seen corresponding path program 1 times [2021-12-15 12:34:44,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:34:44,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071361016] [2021-12-15 12:34:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:34:44,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:34:44,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:34:44,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:34:44,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:34:44,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:34:44,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:34:44,979 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:44,983 INFO L158 Benchmark]: Toolchain (without parser) took 30393.91ms. Allocated memory was 54.5MB in the beginning and 903.9MB in the end (delta: 849.3MB). Free memory was 33.7MB in the beginning and 628.5MB in the end (delta: -594.8MB). Peak memory consumption was 253.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:44,984 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:44,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2040.09ms. Allocated memory was 54.5MB in the beginning and 127.9MB in the end (delta: 73.4MB). Free memory was 33.5MB in the beginning and 62.4MB in the end (delta: -28.8MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:44,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.79ms. Allocated memory is still 127.9MB. Free memory was 62.4MB in the beginning and 48.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:44,985 INFO L158 Benchmark]: Boogie Preprocessor took 140.87ms. Allocated memory is still 127.9MB. Free memory was 48.8MB in the beginning and 54.1MB in the end (delta: -5.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:44,986 INFO L158 Benchmark]: RCFGBuilder took 27493.23ms. Allocated memory was 127.9MB in the beginning and 903.9MB in the end (delta: 775.9MB). Free memory was 54.1MB in the beginning and 662.1MB in the end (delta: -607.9MB). Peak memory consumption was 534.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:44,986 INFO L158 Benchmark]: TraceAbstraction took 581.13ms. Allocated memory is still 903.9MB. Free memory was 661.0MB in the beginning and 628.5MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:44,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2040.09ms. Allocated memory was 54.5MB in the beginning and 127.9MB in the end (delta: 73.4MB). Free memory was 33.5MB in the beginning and 62.4MB in the end (delta: -28.8MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.79ms. Allocated memory is still 127.9MB. Free memory was 62.4MB in the beginning and 48.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.87ms. Allocated memory is still 127.9MB. Free memory was 48.8MB in the beginning and 54.1MB in the end (delta: -5.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 27493.23ms. Allocated memory was 127.9MB in the beginning and 903.9MB in the end (delta: 775.9MB). Free memory was 54.1MB in the beginning and 662.1MB in the end (delta: -607.9MB). Peak memory consumption was 534.7MB. Max. memory is 16.1GB. * TraceAbstraction took 581.13ms. Allocated memory is still 903.9MB. Free memory was 661.0MB in the beginning and 628.5MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:45,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable