./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:18:46,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:18:46,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:18:46,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:18:46,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:18:46,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:18:46,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:18:46,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:18:46,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:18:46,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:18:46,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:18:46,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:18:46,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:18:46,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:18:46,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:18:46,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:18:46,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:18:46,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:18:46,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:18:46,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:18:46,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:18:46,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:18:46,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:18:46,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:18:46,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:18:46,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:18:46,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:18:46,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:18:46,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:18:46,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:18:46,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:18:46,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:18:46,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:18:46,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:18:46,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:18:46,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:18:46,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:18:46,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:18:46,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:18:46,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:18:46,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:18:46,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:18:46,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:18:46,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:18:46,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:18:46,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:18:46,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:18:46,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:18:46,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:18:46,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:18:46,637 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:18:46,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:18:46,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:18:46,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:18:46,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:18:46,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:18:46,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:18:46,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:18:46,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:18:46,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:18:46,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:18:46,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:18:46,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:18:46,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:18:46,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:18:46,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:18:46,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:18:46,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:18:46,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:18:46,641 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:18:46,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:18:46,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:18:46,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2021-12-28 05:18:46,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:18:46,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:18:46,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:18:46,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:18:46,952 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:18:46,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-28 05:18:46,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be03312b8/5c1f4a5d6e62400683176e0af68d6c5f/FLAG680531e4c [2021-12-28 05:18:47,734 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:18:47,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-28 05:18:47,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be03312b8/5c1f4a5d6e62400683176e0af68d6c5f/FLAG680531e4c [2021-12-28 05:18:48,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be03312b8/5c1f4a5d6e62400683176e0af68d6c5f [2021-12-28 05:18:48,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:18:48,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:18:48,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:18:48,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:18:48,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:18:48,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:18:48" (1/1) ... [2021-12-28 05:18:48,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b30ad51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:48, skipping insertion in model container [2021-12-28 05:18:48,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:18:48" (1/1) ... [2021-12-28 05:18:48,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:18:48,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:18:50,598 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-12-28 05:18:50,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:18:50,777 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:18:51,111 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-12-28 05:18:51,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:18:51,277 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:18:51,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51 WrapperNode [2021-12-28 05:18:51,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:18:51,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:18:51,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:18:51,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:18:51,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:51,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:51,781 INFO L137 Inliner]: procedures = 359, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11745 [2021-12-28 05:18:51,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:18:51,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:18:51,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:18:51,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:18:51,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:51,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:51,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:51,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:52,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:52,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:52,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:52,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:18:52,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:18:52,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:18:52,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:18:52,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (1/1) ... [2021-12-28 05:18:52,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:18:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:18:52,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:18:52,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:18:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-28 05:18:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-28 05:18:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 05:18:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 05:18:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-28 05:18:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-28 05:18:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:18:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:18:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 05:18:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 05:18:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2021-12-28 05:18:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2021-12-28 05:18:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:18:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:18:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2021-12-28 05:18:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2021-12-28 05:18:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2021-12-28 05:18:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2021-12-28 05:18:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2021-12-28 05:18:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2021-12-28 05:18:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2021-12-28 05:18:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2021-12-28 05:18:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2021-12-28 05:18:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2021-12-28 05:18:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 05:18:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 05:18:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-28 05:18:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-28 05:18:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 05:18:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 05:18:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2021-12-28 05:18:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2021-12-28 05:18:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-12-28 05:18:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-12-28 05:18:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-28 05:18:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-28 05:18:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2021-12-28 05:18:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2021-12-28 05:18:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:18:52,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:18:52,416 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2021-12-28 05:18:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2021-12-28 05:18:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 05:18:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 05:18:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2021-12-28 05:18:52,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2021-12-28 05:18:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:18:52,417 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2021-12-28 05:18:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2021-12-28 05:18:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2021-12-28 05:18:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2021-12-28 05:18:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:18:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2021-12-28 05:18:52,418 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2021-12-28 05:18:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-12-28 05:18:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-12-28 05:18:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 05:18:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2021-12-28 05:18:52,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2021-12-28 05:18:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:18:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:18:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 05:18:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 05:18:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2021-12-28 05:18:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2021-12-28 05:18:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2021-12-28 05:18:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2021-12-28 05:18:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 05:18:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 05:18:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 05:18:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 05:18:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2021-12-28 05:18:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2021-12-28 05:18:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-28 05:18:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-28 05:18:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 05:18:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 05:18:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2021-12-28 05:18:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2021-12-28 05:18:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:18:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 05:18:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 05:18:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2021-12-28 05:18:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2021-12-28 05:18:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2021-12-28 05:18:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2021-12-28 05:18:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:18:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2021-12-28 05:18:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2021-12-28 05:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2021-12-28 05:18:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2021-12-28 05:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2021-12-28 05:18:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2021-12-28 05:18:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 05:18:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 05:18:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2021-12-28 05:18:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2021-12-28 05:18:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-28 05:18:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-28 05:18:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:18:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2021-12-28 05:18:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2021-12-28 05:18:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2021-12-28 05:18:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2021-12-28 05:18:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2021-12-28 05:18:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2021-12-28 05:18:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2021-12-28 05:18:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2021-12-28 05:18:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2021-12-28 05:18:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2021-12-28 05:18:52,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:18:52,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:18:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2021-12-28 05:18:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2021-12-28 05:18:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 05:18:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 05:18:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 05:18:52,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 05:18:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2021-12-28 05:18:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2021-12-28 05:18:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2021-12-28 05:18:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2021-12-28 05:18:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2021-12-28 05:18:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2021-12-28 05:18:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:18:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:18:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2021-12-28 05:18:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2021-12-28 05:18:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2021-12-28 05:18:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2021-12-28 05:18:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 05:18:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 05:18:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2021-12-28 05:18:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2021-12-28 05:18:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2021-12-28 05:18:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2021-12-28 05:18:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:18:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 05:18:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 05:18:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2021-12-28 05:18:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2021-12-28 05:18:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 05:18:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 05:18:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:18:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:18:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2021-12-28 05:18:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2021-12-28 05:18:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2021-12-28 05:18:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2021-12-28 05:18:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:18:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 05:18:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 05:18:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 05:18:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 05:18:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:18:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2021-12-28 05:18:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2021-12-28 05:18:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2021-12-28 05:18:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2021-12-28 05:18:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2021-12-28 05:18:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2021-12-28 05:18:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2021-12-28 05:18:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2021-12-28 05:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2021-12-28 05:18:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2021-12-28 05:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2021-12-28 05:18:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2021-12-28 05:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2021-12-28 05:18:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2021-12-28 05:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:18:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2021-12-28 05:18:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2021-12-28 05:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 05:18:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 05:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2021-12-28 05:18:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2021-12-28 05:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2021-12-28 05:18:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2021-12-28 05:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 05:18:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 05:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2021-12-28 05:18:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2021-12-28 05:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2021-12-28 05:18:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2021-12-28 05:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2021-12-28 05:18:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2021-12-28 05:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-12-28 05:18:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-12-28 05:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2021-12-28 05:18:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2021-12-28 05:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-28 05:18:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-28 05:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:18:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2021-12-28 05:18:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2021-12-28 05:18:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2021-12-28 05:18:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2021-12-28 05:18:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2021-12-28 05:18:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2021-12-28 05:18:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2021-12-28 05:18:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2021-12-28 05:18:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-12-28 05:18:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-12-28 05:18:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2021-12-28 05:18:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2021-12-28 05:18:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-28 05:18:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-28 05:18:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:18:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2021-12-28 05:18:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2021-12-28 05:18:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2021-12-28 05:18:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2021-12-28 05:18:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:18:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:18:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2021-12-28 05:18:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2021-12-28 05:18:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 05:18:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 05:18:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:18:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:18:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2021-12-28 05:18:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2021-12-28 05:18:53,182 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:18:53,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:19:22,039 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:19:22,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:19:22,062 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 05:19:22,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:19:22 BoogieIcfgContainer [2021-12-28 05:19:22,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:19:22,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:19:22,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:19:22,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:19:22,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:18:48" (1/3) ... [2021-12-28 05:19:22,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9bea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:19:22, skipping insertion in model container [2021-12-28 05:19:22,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:18:51" (2/3) ... [2021-12-28 05:19:22,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9bea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:19:22, skipping insertion in model container [2021-12-28 05:19:22,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:19:22" (3/3) ... [2021-12-28 05:19:22,074 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-28 05:19:22,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:19:22,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 05:19:22,131 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:19:22,137 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:19:22,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 05:19:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-28 05:19:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-28 05:19:22,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:19:22,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:19:22,205 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:19:22,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:19:22,209 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2021-12-28 05:19:22,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:19:22,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244119325] [2021-12-28 05:19:22,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:19:22,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:19:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:19:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:19:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 05:19:22,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:19:22,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244119325] [2021-12-28 05:19:22,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244119325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:19:22,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:19:22,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:19:22,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078010581] [2021-12-28 05:19:22,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:19:22,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:19:22,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:19:22,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:19:22,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:19:22,998 INFO L87 Difference]: Start difference. First operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-28 05:19:31,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:19:33,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:19:39,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:19:50,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:19:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:19:51,350 INFO L93 Difference]: Finished difference Result 5637 states and 8475 transitions. [2021-12-28 05:19:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 05:19:51,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-12-28 05:19:51,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:19:51,396 INFO L225 Difference]: With dead ends: 5637 [2021-12-28 05:19:51,396 INFO L226 Difference]: Without dead ends: 2888 [2021-12-28 05:19:51,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:19:51,426 INFO L933 BasicCegarLoop]: 3527 mSDtfsCounter, 1936 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 806 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 5198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:19:51,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2500 Valid, 4816 Invalid, 5198 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 4388 Invalid, 4 Unknown, 0 Unchecked, 27.6s Time] [2021-12-28 05:19:51,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2021-12-28 05:19:51,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2746. [2021-12-28 05:19:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 1878 states have (on average 1.356762513312034) internal successors, (2548), 1903 states have internal predecessors, (2548), 765 states have call successors, (765), 104 states have call predecessors, (765), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2021-12-28 05:19:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 4072 transitions. [2021-12-28 05:19:51,741 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 4072 transitions. Word has length 19 [2021-12-28 05:19:51,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:19:51,741 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 4072 transitions. [2021-12-28 05:19:51,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-28 05:19:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4072 transitions. [2021-12-28 05:19:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-28 05:19:51,744 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:19:51,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:19:51,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:19:51,744 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:19:51,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:19:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash -34172631, now seen corresponding path program 1 times [2021-12-28 05:19:51,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:19:51,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679507570] [2021-12-28 05:19:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:19:51,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:19:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:19:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:19:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 05:19:52,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:19:52,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679507570] [2021-12-28 05:19:52,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679507570] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 05:19:52,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226370683] [2021-12-28 05:19:52,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:19:52,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 05:19:52,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:19:52,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 05:19:52,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 05:19:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:19:53,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 8402 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 05:19:53,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 05:19:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 05:19:54,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 05:19:54,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226370683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:19:54,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 05:19:54,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-28 05:19:54,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694945013] [2021-12-28 05:19:54,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:19:54,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 05:19:54,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:19:54,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 05:19:54,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:19:54,167 INFO L87 Difference]: Start difference. First operand 2746 states and 4072 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-28 05:19:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:19:54,472 INFO L93 Difference]: Finished difference Result 2748 states and 4073 transitions. [2021-12-28 05:19:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 05:19:54,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-12-28 05:19:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:19:54,492 INFO L225 Difference]: With dead ends: 2748 [2021-12-28 05:19:54,493 INFO L226 Difference]: Without dead ends: 2745 [2021-12-28 05:19:54,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:19:54,500 INFO L933 BasicCegarLoop]: 4068 mSDtfsCounter, 4051 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:19:54,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4051 Valid, 4070 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-28 05:19:54,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2021-12-28 05:19:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2745. [2021-12-28 05:19:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 1878 states have (on average 1.3562300319488818) internal successors, (2547), 1902 states have internal predecessors, (2547), 764 states have call successors, (764), 104 states have call predecessors, (764), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2021-12-28 05:19:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 4070 transitions. [2021-12-28 05:19:54,648 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 4070 transitions. Word has length 21 [2021-12-28 05:19:54,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:19:54,649 INFO L470 AbstractCegarLoop]: Abstraction has 2745 states and 4070 transitions. [2021-12-28 05:19:54,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-28 05:19:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 4070 transitions. [2021-12-28 05:19:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-28 05:19:54,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:19:54,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:19:54,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0