./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.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 c3a88d220dbbb3b8b830b41f15ad66094bc858c7c21fc995876c56b7a27538e4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:55:53,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:55:53,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:55:53,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:55:53,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:55:53,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:55:53,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:55:53,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:55:53,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:55:53,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:55:53,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:55:53,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:55:53,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:55:53,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:55:53,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:55:53,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:55:53,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:55:53,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:55:53,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:55:53,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:55:53,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:55:53,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:55:53,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:55:53,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:55:53,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:55:53,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:55:53,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:55:53,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:55:53,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:55:53,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:55:53,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:55:53,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:55:53,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:55:53,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:55:53,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:55:53,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:55:53,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:55:53,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:55:53,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:55:53,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:55:53,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:55:53,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:55:53,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:55:53,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:55:53,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:55:53,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:55:53,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:55:53,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:55:53,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:55:53,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:55:53,712 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:55:53,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:55:53,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:55:53,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:55:53,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:55:53,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:55:53,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:55:53,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:55:53,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:55:53,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:55:53,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:55:53,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:55:53,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:55:53,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:53,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:55:53,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:55:53,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:55:53,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:55:53,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:55:53,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:55:53,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:55:53,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:55:53,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:55:53,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a88d220dbbb3b8b830b41f15ad66094bc858c7c21fc995876c56b7a27538e4 [2021-12-15 12:55:53,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:55:53,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:55:53,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:55:53,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:55:53,941 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:55:53,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2021-12-15 12:55:53,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27345650f/d272cfd2acd6433fbede12d2bca4b14b/FLAG2bd378960 [2021-12-15 12:55:54,540 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:55:54,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2021-12-15 12:55:54,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27345650f/d272cfd2acd6433fbede12d2bca4b14b/FLAG2bd378960 [2021-12-15 12:55:54,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27345650f/d272cfd2acd6433fbede12d2bca4b14b [2021-12-15 12:55:54,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:55:54,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:55:54,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:54,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:55:54,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:55:54,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:54" (1/1) ... [2021-12-15 12:55:54,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5ea619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:54, skipping insertion in model container [2021-12-15 12:55:54,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:54" (1/1) ... [2021-12-15 12:55:54,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:55:54,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:55,813 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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2021-12-15 12:55:55,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:55,864 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:55:56,093 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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2021-12-15 12:55:56,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:56,163 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:55:56,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56 WrapperNode [2021-12-15 12:55:56,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:56,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:56,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:55:56,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:55:56,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,302 INFO L137 Inliner]: procedures = 240, calls = 2340, calls flagged for inlining = 110, calls inlined = 62, statements flattened = 2472 [2021-12-15 12:55:56,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:56,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:55:56,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:55:56,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:55:56,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:55:56,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:55:56,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:55:56,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:55:56,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (1/1) ... [2021-12-15 12:55:56,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:56,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:55:56,446 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 12:55:56,457 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 12:55:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 12:55:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 12:55:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:55:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:55:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:55:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:55:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:55:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-12-15 12:55:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-12-15 12:55:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:55:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:55:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-15 12:55:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-15 12:55:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:55:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:55:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2021-12-15 12:55:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2021-12-15 12:55:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-15 12:55:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-15 12:55:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:55:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:55:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:55:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:55:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-12-15 12:55:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-12-15 12:55:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2021-12-15 12:55:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2021-12-15 12:55:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 12:55:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 12:55:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:55:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:55:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2021-12-15 12:55:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2021-12-15 12:55:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:55:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-15 12:55:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-15 12:55:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:55:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-15 12:55:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-15 12:55:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 12:55:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 12:55:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:55:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:55:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:55:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:55:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:55:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:55:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:55:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:55:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:55:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:55:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-12-15 12:55:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-12-15 12:55:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-15 12:55:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-15 12:55:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:55:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:55:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:55:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-12-15 12:55:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-12-15 12:55:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 12:55:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 12:55:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:55:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-15 12:55:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-15 12:55:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-12-15 12:55:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-12-15 12:55:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:55:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-15 12:55:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-15 12:55:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:55:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:55:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:55:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:55:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:55:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:55:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 12:55:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 12:55:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:55:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:55:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:55:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-15 12:55:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-15 12:55:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-15 12:55:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-15 12:55:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:55:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:55:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2021-12-15 12:55:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2021-12-15 12:55:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:55:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-15 12:55:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-15 12:55:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2021-12-15 12:55:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2021-12-15 12:55:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:55:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:55:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-15 12:55:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-15 12:55:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:55:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2021-12-15 12:55:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2021-12-15 12:55:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:55:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:55:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2021-12-15 12:55:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2021-12-15 12:55:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-15 12:55:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-15 12:55:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2021-12-15 12:55:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2021-12-15 12:55:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:55:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 12:55:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 12:55:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:55:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:55:56,882 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:55:56,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:55:58,462 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:55:58,480 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:55:58,480 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:55:58,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:58 BoogieIcfgContainer [2021-12-15 12:55:58,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:55:58,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:55:58,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:55:58,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:55:58,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:55:54" (1/3) ... [2021-12-15 12:55:58,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32486eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:55:58, skipping insertion in model container [2021-12-15 12:55:58,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:56" (2/3) ... [2021-12-15 12:55:58,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32486eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:55:58, skipping insertion in model container [2021-12-15 12:55:58,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:58" (3/3) ... [2021-12-15 12:55:58,490 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2021-12-15 12:55:58,494 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:55:58,496 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:55:58,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:55:58,543 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 12:55:58,543 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:55:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 679 states, 463 states have (on average 1.2915766738660908) internal successors, (598), 478 states have internal predecessors, (598), 166 states have call successors, (166), 48 states have call predecessors, (166), 48 states have return successors, (166), 165 states have call predecessors, (166), 166 states have call successors, (166) [2021-12-15 12:55:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-15 12:55:58,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:55:58,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:55:58,574 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:55:58,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:55:58,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1371189868, now seen corresponding path program 1 times [2021-12-15 12:55:58,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:55:58,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486062761] [2021-12-15 12:55:58,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:55:58,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:55:58,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:55:58,664 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 12:55:58,671 INFO L158 Benchmark]: Toolchain (without parser) took 3902.74ms. Allocated memory was 100.7MB in the beginning and 289.4MB in the end (delta: 188.7MB). Free memory was 61.1MB in the beginning and 167.4MB in the end (delta: -106.2MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2021-12-15 12:55:58,672 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:55:58,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.28ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 60.7MB in the beginning and 48.3MB in the end (delta: 12.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2021-12-15 12:55:58,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.34ms. Allocated memory is still 130.0MB. Free memory was 48.3MB in the beginning and 62.7MB in the end (delta: -14.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-12-15 12:55:58,674 INFO L158 Benchmark]: Boogie Preprocessor took 107.40ms. Allocated memory is still 130.0MB. Free memory was 62.7MB in the beginning and 47.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:55:58,677 INFO L158 Benchmark]: RCFGBuilder took 2073.56ms. Allocated memory was 130.0MB in the beginning and 289.4MB in the end (delta: 159.4MB). Free memory was 47.2MB in the beginning and 184.1MB in the end (delta: -136.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2021-12-15 12:55:58,677 INFO L158 Benchmark]: TraceAbstraction took 183.67ms. Allocated memory is still 289.4MB. Free memory was 184.1MB in the beginning and 167.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:55:58,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.28ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 60.7MB in the beginning and 48.3MB in the end (delta: 12.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.34ms. Allocated memory is still 130.0MB. Free memory was 48.3MB in the beginning and 62.7MB in the end (delta: -14.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.40ms. Allocated memory is still 130.0MB. Free memory was 62.7MB in the beginning and 47.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2073.56ms. Allocated memory was 130.0MB in the beginning and 289.4MB in the end (delta: 159.4MB). Free memory was 47.2MB in the beginning and 184.1MB in the end (delta: -136.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 183.67ms. Allocated memory is still 289.4MB. Free memory was 184.1MB in the beginning and 167.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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 12:55:58,718 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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.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 c3a88d220dbbb3b8b830b41f15ad66094bc858c7c21fc995876c56b7a27538e4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:00,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:00,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:00,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:00,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:00,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:00,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:00,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:00,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:00,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:00,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:00,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:00,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:00,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:00,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:00,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:00,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:00,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:00,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:00,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:00,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:00,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:00,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:00,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:00,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:00,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:00,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:00,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:00,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:00,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:00,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:00,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:00,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:00,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:00,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:00,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:00,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:00,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:00,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:00,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:00,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:00,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:56:00,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:00,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:00,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:00,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:00,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:00,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:00,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:00,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:56:00,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:00,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:00,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:56:00,372 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:56:00,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:00,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:00,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:00,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:00,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:56:00,373 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a88d220dbbb3b8b830b41f15ad66094bc858c7c21fc995876c56b7a27538e4 [2021-12-15 12:56:00,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:00,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:00,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:00,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:00,617 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:00,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2021-12-15 12:56:00,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a25b259/306ea5a16ba943f4a18dc313ac8b9c37/FLAG8c5858085 [2021-12-15 12:56:01,266 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:01,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2021-12-15 12:56:01,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a25b259/306ea5a16ba943f4a18dc313ac8b9c37/FLAG8c5858085 [2021-12-15 12:56:01,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a25b259/306ea5a16ba943f4a18dc313ac8b9c37 [2021-12-15 12:56:01,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:01,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:01,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:01,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:01,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:01,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:01" (1/1) ... [2021-12-15 12:56:01,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@831ceda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:01, skipping insertion in model container [2021-12-15 12:56:01,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:01" (1/1) ... [2021-12-15 12:56:01,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:01,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:02,597 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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2021-12-15 12:56:02,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:02,666 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:56:02,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:02,878 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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2021-12-15 12:56:02,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:02,912 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:03,087 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-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2021-12-15 12:56:03,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:03,168 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:03,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03 WrapperNode [2021-12-15 12:56:03,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:03,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:03,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:03,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:03,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,323 INFO L137 Inliner]: procedures = 255, calls = 2340, calls flagged for inlining = 110, calls inlined = 62, statements flattened = 2435 [2021-12-15 12:56:03,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:03,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:03,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:03,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:03,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:03,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:03,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:03,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:03,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (1/1) ... [2021-12-15 12:56:03,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:03,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:03,457 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 12:56:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:56:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 12:56:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 12:56:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:56:03,504 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 12:56:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:56:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:56:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:56:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:56:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:56:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:56:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:56:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-12-15 12:56:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-12-15 12:56:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:56:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:56:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-15 12:56:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-15 12:56:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2021-12-15 12:56:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2021-12-15 12:56:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-15 12:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-15 12:56:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:56:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:56:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-12-15 12:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-12-15 12:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2021-12-15 12:56:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2021-12-15 12:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 12:56:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 12:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:56:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2021-12-15 12:56:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2021-12-15 12:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-15 12:56:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-15 12:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-15 12:56:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-15 12:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 12:56:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 12:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:56:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:56:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:56:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-12-15 12:56:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-12-15 12:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-15 12:56:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-15 12:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:56:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-12-15 12:56:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-12-15 12:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 12:56:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 12:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-15 12:56:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-15 12:56:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-12-15 12:56:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-12-15 12:56:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-15 12:56:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-15 12:56:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:56:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:56:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:56:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:56:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:56:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:56:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 12:56:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 12:56:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:56:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:56:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-15 12:56:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-15 12:56:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-15 12:56:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-15 12:56:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:56:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:56:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:56:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:56:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:56:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:56:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2021-12-15 12:56:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2021-12-15 12:56:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-15 12:56:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-15 12:56:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2021-12-15 12:56:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2021-12-15 12:56:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-15 12:56:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-15 12:56:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:56:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:56:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2021-12-15 12:56:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2021-12-15 12:56:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:56:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:56:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2021-12-15 12:56:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2021-12-15 12:56:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-15 12:56:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-15 12:56:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2021-12-15 12:56:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2021-12-15 12:56:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:56:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 12:56:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 12:56:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:03,914 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:03,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:56:29,685 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:56:29,705 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:56:29,705 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:56:29,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:56:29 BoogieIcfgContainer [2021-12-15 12:56:29,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:56:29,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:56:29,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:56:29,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:56:29,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:56:01" (1/3) ... [2021-12-15 12:56:29,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737ea429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:56:29, skipping insertion in model container [2021-12-15 12:56:29,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:03" (2/3) ... [2021-12-15 12:56:29,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737ea429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:56:29, skipping insertion in model container [2021-12-15 12:56:29,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:56:29" (3/3) ... [2021-12-15 12:56:29,719 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2021-12-15 12:56:29,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:56:29,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:56:29,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:56:29,770 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 12:56:29,770 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:56:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 679 states, 463 states have (on average 1.2915766738660908) internal successors, (598), 478 states have internal predecessors, (598), 166 states have call successors, (166), 48 states have call predecessors, (166), 48 states have return successors, (166), 165 states have call predecessors, (166), 166 states have call successors, (166) [2021-12-15 12:56:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-15 12:56:29,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:56:29,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:56:29,802 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:56:29,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:56:29,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1371189868, now seen corresponding path program 1 times [2021-12-15 12:56:29,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:56:29,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507499192] [2021-12-15 12:56:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:56:29,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:56:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:56:29,824 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 12:56:29,840 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 12:56:30,035 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 12:56:30,235 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 12:56:30,236 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 12:56:30,240 INFO L158 Benchmark]: Toolchain (without parser) took 28811.45ms. Allocated memory was 73.4MB in the beginning and 241.2MB in the end (delta: 167.8MB). Free memory was 46.0MB in the beginning and 149.2MB in the end (delta: -103.2MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,240 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:30,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1739.39ms. Allocated memory was 73.4MB in the beginning and 125.8MB in the end (delta: 52.4MB). Free memory was 45.7MB in the beginning and 46.8MB in the end (delta: -1.1MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.09ms. Allocated memory is still 125.8MB. Free memory was 46.8MB in the beginning and 54.7MB in the end (delta: -7.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,241 INFO L158 Benchmark]: Boogie Preprocessor took 112.63ms. Allocated memory is still 125.8MB. Free memory was 54.7MB in the beginning and 37.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,242 INFO L158 Benchmark]: RCFGBuilder took 26270.51ms. Allocated memory was 125.8MB in the beginning and 241.2MB in the end (delta: 115.3MB). Free memory was 37.4MB in the beginning and 175.0MB in the end (delta: -137.7MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,242 INFO L158 Benchmark]: TraceAbstraction took 529.05ms. Allocated memory is still 241.2MB. Free memory was 175.0MB in the beginning and 149.2MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,244 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 73.4MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1739.39ms. Allocated memory was 73.4MB in the beginning and 125.8MB in the end (delta: 52.4MB). Free memory was 45.7MB in the beginning and 46.8MB in the end (delta: -1.1MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.09ms. Allocated memory is still 125.8MB. Free memory was 46.8MB in the beginning and 54.7MB in the end (delta: -7.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.63ms. Allocated memory is still 125.8MB. Free memory was 54.7MB in the beginning and 37.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 26270.51ms. Allocated memory was 125.8MB in the beginning and 241.2MB in the end (delta: 115.3MB). Free memory was 37.4MB in the beginning and 175.0MB in the end (delta: -137.7MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. * TraceAbstraction took 529.05ms. Allocated memory is still 241.2MB. Free memory was 175.0MB in the beginning and 149.2MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. 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 12:56:30,286 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