./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/ddv-machzwd/ddv_machzwd_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:50:31,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:50:31,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:50:31,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:50:31,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:50:31,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:50:31,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:50:31,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:50:31,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:50:31,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:50:31,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:50:31,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:50:31,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:50:31,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:50:31,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:50:31,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:50:31,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:50:31,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:50:31,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:50:31,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:50:31,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:50:31,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:50:31,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:50:31,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:50:31,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:50:31,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:50:31,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:50:31,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:50:31,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:50:31,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:50:31,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:50:31,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:50:31,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:50:31,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:50:31,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:50:31,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:50:31,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:50:31,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:50:31,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:50:31,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:50:31,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:50:31,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:50:31,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:50:31,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:50:31,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:50:31,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:50:31,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:50:31,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:50:31,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:50:31,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:50:31,301 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:50:31,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:50:31,302 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:50:31,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:50:31,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:50:31,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:50:31,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:50:31,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:50:31,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:50:31,303 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:50:31,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:50:31,303 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:50:31,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:50:31,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:50:31,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:50:31,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:50:31,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:50:31,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:50:31,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:50:31,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:50:31,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:50:31,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:50:31,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:50:31,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:50:31,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:50:31,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-02-20 16:50:31,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:50:31,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:50:31,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:50:31,552 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:50:31,553 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:50:31,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-02-20 16:50:31,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75df000c8/16ebaed73baf4087abbf77663dc0ccc0/FLAG50dbc7eec [2022-02-20 16:50:32,232 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:50:32,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-02-20 16:50:32,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75df000c8/16ebaed73baf4087abbf77663dc0ccc0/FLAG50dbc7eec [2022-02-20 16:50:32,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75df000c8/16ebaed73baf4087abbf77663dc0ccc0 [2022-02-20 16:50:32,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:50:32,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:50:32,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:50:32,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:50:32,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:50:32,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:50:32" (1/1) ... [2022-02-20 16:50:32,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e6f2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:32, skipping insertion in model container [2022-02-20 16:50:32,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:50:32" (1/1) ... [2022-02-20 16:50:32,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:50:32,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:50:32,889 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-02-20 16:50:34,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:50:34,059 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:50:34,068 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-02-20 16:50:34,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:50:34,406 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:50:34,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34 WrapperNode [2022-02-20 16:50:34,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:50:34,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:50:34,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:50:34,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:50:34,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,569 INFO L137 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1027 [2022-02-20 16:50:34,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:50:34,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:50:34,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:50:34,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:50:34,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:50:34,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:50:34,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:50:34,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:50:34,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (1/1) ... [2022-02-20 16:50:34,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:50:34,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:50:34,773 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) [2022-02-20 16:50:34,780 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 [2022-02-20 16:50:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-02-20 16:50:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-02-20 16:50:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 16:50:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-02-20 16:50:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 16:50:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 16:50:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:50:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 16:50:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 16:50:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 16:50:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-02-20 16:50:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-02-20 16:50:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-02-20 16:50:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-20 16:50:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:50:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-20 16:50:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-20 16:50:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:50:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-02-20 16:50:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-02-20 16:50:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:50:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:50:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-02-20 16:50:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-02-20 16:50:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-02-20 16:50:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-02-20 16:50:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-02-20 16:50:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-02-20 16:50:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:50:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:50:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-02-20 16:50:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-02-20 16:50:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 16:50:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 16:50:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 16:50:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-02-20 16:50:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-02-20 16:50:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:50:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:50:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 16:50:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 16:50:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-02-20 16:50:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-02-20 16:50:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 16:50:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-02-20 16:50:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-02-20 16:50:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-02-20 16:50:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-02-20 16:50:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-02-20 16:50:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-02-20 16:50:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-02-20 16:50:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-02-20 16:50:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-02-20 16:50:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-02-20 16:50:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-02-20 16:50:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-02-20 16:50:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:50:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-02-20 16:50:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-02-20 16:50:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-02-20 16:50:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-02-20 16:50:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 16:50:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 16:50:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:50:35,190 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:50:35,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:50:37,373 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:50:37,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:50:37,388 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 16:50:37,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:37 BoogieIcfgContainer [2022-02-20 16:50:37,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:50:37,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:50:37,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:50:37,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:50:37,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:50:32" (1/3) ... [2022-02-20 16:50:37,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd98458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:50:37, skipping insertion in model container [2022-02-20 16:50:37,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:34" (2/3) ... [2022-02-20 16:50:37,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd98458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:50:37, skipping insertion in model container [2022-02-20 16:50:37,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:37" (3/3) ... [2022-02-20 16:50:37,397 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-02-20 16:50:37,401 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:50:37,402 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:50:37,457 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:50:37,462 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 [2022-02-20 16:50:37,462 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:50:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-02-20 16:50:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 16:50:37,504 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:50:37,504 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, 1, 1] [2022-02-20 16:50:37,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:50:37,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:50:37,511 INFO L85 PathProgramCache]: Analyzing trace with hash -597438168, now seen corresponding path program 1 times [2022-02-20 16:50:37,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:50:37,522 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358975335] [2022-02-20 16:50:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:50:37,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:50:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 16:50:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:37,950 INFO L290 TraceCheckUtils]: 0: Hoare triple {369#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {361#true} is VALID [2022-02-20 16:50:37,950 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} assume true; {361#true} is VALID [2022-02-20 16:50:37,951 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {361#true} {361#true} #857#return; {361#true} is VALID [2022-02-20 16:50:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-20 16:50:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:37,966 INFO L290 TraceCheckUtils]: 0: Hoare triple {361#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {361#true} is VALID [2022-02-20 16:50:37,967 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} assume true; {361#true} is VALID [2022-02-20 16:50:37,967 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {361#true} {362#false} #859#return; {362#false} is VALID [2022-02-20 16:50:37,973 INFO L290 TraceCheckUtils]: 0: Hoare triple {361#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {361#true} is VALID [2022-02-20 16:50:37,974 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {361#true} is VALID [2022-02-20 16:50:37,976 INFO L272 TraceCheckUtils]: 2: Hoare triple {361#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {369#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2022-02-20 16:50:37,976 INFO L290 TraceCheckUtils]: 3: Hoare triple {369#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {361#true} is VALID [2022-02-20 16:50:37,977 INFO L290 TraceCheckUtils]: 4: Hoare triple {361#true} assume true; {361#true} is VALID [2022-02-20 16:50:37,977 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {361#true} {361#true} #857#return; {361#true} is VALID [2022-02-20 16:50:37,977 INFO L290 TraceCheckUtils]: 6: Hoare triple {361#true} init_kernel_~i~1#1 := 0; {361#true} is VALID [2022-02-20 16:50:37,978 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} assume !(init_kernel_~i~1#1 < 10); {361#true} is VALID [2022-02-20 16:50:37,978 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} init_kernel_~i~1#1 := 0; {361#true} is VALID [2022-02-20 16:50:37,979 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume !true; {362#false} is VALID [2022-02-20 16:50:37,979 INFO L290 TraceCheckUtils]: 10: Hoare triple {362#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {362#false} is VALID [2022-02-20 16:50:37,980 INFO L272 TraceCheckUtils]: 11: Hoare triple {362#false} call zf_init_#t~ret219#1 := printk(21, 0); {361#true} is VALID [2022-02-20 16:50:37,980 INFO L290 TraceCheckUtils]: 12: Hoare triple {361#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {361#true} is VALID [2022-02-20 16:50:37,980 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} assume true; {361#true} is VALID [2022-02-20 16:50:37,980 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {361#true} {362#false} #859#return; {362#false} is VALID [2022-02-20 16:50:37,981 INFO L290 TraceCheckUtils]: 15: Hoare triple {362#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {362#false} is VALID [2022-02-20 16:50:37,981 INFO L272 TraceCheckUtils]: 16: Hoare triple {362#false} call zf_init_#t~ret220#1 := zf_readw(2); {362#false} is VALID [2022-02-20 16:50:37,981 INFO L290 TraceCheckUtils]: 17: Hoare triple {362#false} ~port#1 := #in~port#1; {362#false} is VALID [2022-02-20 16:50:37,981 INFO L272 TraceCheckUtils]: 18: Hoare triple {362#false} call outb(~port#1, 536); {362#false} is VALID [2022-02-20 16:50:37,982 INFO L290 TraceCheckUtils]: 19: Hoare triple {362#false} ~byte := #in~byte;~port := #in~port; {362#false} is VALID [2022-02-20 16:50:37,982 INFO L272 TraceCheckUtils]: 20: Hoare triple {362#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {362#false} is VALID [2022-02-20 16:50:37,982 INFO L290 TraceCheckUtils]: 21: Hoare triple {362#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {362#false} is VALID [2022-02-20 16:50:37,982 INFO L290 TraceCheckUtils]: 22: Hoare triple {362#false} assume 0 == ~expression; {362#false} is VALID [2022-02-20 16:50:37,983 INFO L290 TraceCheckUtils]: 23: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-02-20 16:50:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:50:37,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:50:37,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358975335] [2022-02-20 16:50:37,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358975335] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:50:37,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:50:37,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:50:37,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618440027] [2022-02-20 16:50:37,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:50:37,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-20 16:50:37,993 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:50:37,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:38,030 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:38,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:50:38,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:50:38,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:50:38,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:50:38,053 INFO L87 Difference]: Start difference. First operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:40,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:40,094 INFO L93 Difference]: Finished difference Result 718 states and 1043 transitions. [2022-02-20 16:50:40,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:50:40,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-20 16:50:40,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:50:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1043 transitions. [2022-02-20 16:50:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1043 transitions. [2022-02-20 16:50:40,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1043 transitions. [2022-02-20 16:50:41,152 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1043 edges. 1043 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:41,180 INFO L225 Difference]: With dead ends: 718 [2022-02-20 16:50:41,181 INFO L226 Difference]: Without dead ends: 356 [2022-02-20 16:50:41,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:50:41,189 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 85 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:50:41,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 692 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-20 16:50:41,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-02-20 16:50:41,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2022-02-20 16:50:41,236 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:50:41,238 INFO L82 GeneralOperation]: Start isEquivalent. First operand 356 states. Second operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:41,241 INFO L74 IsIncluded]: Start isIncluded. First operand 356 states. Second operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:41,242 INFO L87 Difference]: Start difference. First operand 356 states. Second operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:41,262 INFO L93 Difference]: Finished difference Result 356 states and 490 transitions. [2022-02-20 16:50:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 490 transitions. [2022-02-20 16:50:41,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:41,267 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:41,269 INFO L74 IsIncluded]: Start isIncluded. First operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 356 states. [2022-02-20 16:50:41,270 INFO L87 Difference]: Start difference. First operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 356 states. [2022-02-20 16:50:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:41,290 INFO L93 Difference]: Finished difference Result 356 states and 490 transitions. [2022-02-20 16:50:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 490 transitions. [2022-02-20 16:50:41,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:41,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:41,294 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:50:41,294 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:50:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 241 states have (on average 1.3402489626556016) internal successors, (323), 247 states have internal predecessors, (323), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 480 transitions. [2022-02-20 16:50:41,315 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 480 transitions. Word has length 24 [2022-02-20 16:50:41,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:50:41,315 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 480 transitions. [2022-02-20 16:50:41,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:41,317 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 480 transitions. [2022-02-20 16:50:41,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 16:50:41,318 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:50:41,318 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, 1, 1] [2022-02-20 16:50:41,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:50:41,319 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:50:41,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:50:41,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1052814430, now seen corresponding path program 1 times [2022-02-20 16:50:41,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:50:41,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143140929] [2022-02-20 16:50:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:50:41,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:50:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:41,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 16:50:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:41,459 INFO L290 TraceCheckUtils]: 0: Hoare triple {2564#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {2555#true} is VALID [2022-02-20 16:50:41,459 INFO L290 TraceCheckUtils]: 1: Hoare triple {2555#true} assume true; {2555#true} is VALID [2022-02-20 16:50:41,459 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2555#true} {2555#true} #857#return; {2555#true} is VALID [2022-02-20 16:50:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-20 16:50:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:41,467 INFO L290 TraceCheckUtils]: 0: Hoare triple {2555#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {2555#true} is VALID [2022-02-20 16:50:41,468 INFO L290 TraceCheckUtils]: 1: Hoare triple {2555#true} assume true; {2555#true} is VALID [2022-02-20 16:50:41,468 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2555#true} {2556#false} #859#return; {2556#false} is VALID [2022-02-20 16:50:41,468 INFO L290 TraceCheckUtils]: 0: Hoare triple {2555#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {2555#true} is VALID [2022-02-20 16:50:41,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {2555#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {2555#true} is VALID [2022-02-20 16:50:41,470 INFO L272 TraceCheckUtils]: 2: Hoare triple {2555#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {2564#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2022-02-20 16:50:41,470 INFO L290 TraceCheckUtils]: 3: Hoare triple {2564#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {2555#true} is VALID [2022-02-20 16:50:41,470 INFO L290 TraceCheckUtils]: 4: Hoare triple {2555#true} assume true; {2555#true} is VALID [2022-02-20 16:50:41,471 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2555#true} {2555#true} #857#return; {2555#true} is VALID [2022-02-20 16:50:41,471 INFO L290 TraceCheckUtils]: 6: Hoare triple {2555#true} init_kernel_~i~1#1 := 0; {2560#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:41,472 INFO L290 TraceCheckUtils]: 7: Hoare triple {2560#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} assume !(init_kernel_~i~1#1 < 10); {2556#false} is VALID [2022-02-20 16:50:41,472 INFO L290 TraceCheckUtils]: 8: Hoare triple {2556#false} init_kernel_~i~1#1 := 0; {2556#false} is VALID [2022-02-20 16:50:41,472 INFO L290 TraceCheckUtils]: 9: Hoare triple {2556#false} assume !(init_kernel_~i~1#1 < 1); {2556#false} is VALID [2022-02-20 16:50:41,472 INFO L290 TraceCheckUtils]: 10: Hoare triple {2556#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {2556#false} is VALID [2022-02-20 16:50:41,473 INFO L272 TraceCheckUtils]: 11: Hoare triple {2556#false} call zf_init_#t~ret219#1 := printk(21, 0); {2555#true} is VALID [2022-02-20 16:50:41,473 INFO L290 TraceCheckUtils]: 12: Hoare triple {2555#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {2555#true} is VALID [2022-02-20 16:50:41,473 INFO L290 TraceCheckUtils]: 13: Hoare triple {2555#true} assume true; {2555#true} is VALID [2022-02-20 16:50:41,473 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2555#true} {2556#false} #859#return; {2556#false} is VALID [2022-02-20 16:50:41,474 INFO L290 TraceCheckUtils]: 15: Hoare triple {2556#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {2556#false} is VALID [2022-02-20 16:50:41,474 INFO L272 TraceCheckUtils]: 16: Hoare triple {2556#false} call zf_init_#t~ret220#1 := zf_readw(2); {2556#false} is VALID [2022-02-20 16:50:41,474 INFO L290 TraceCheckUtils]: 17: Hoare triple {2556#false} ~port#1 := #in~port#1; {2556#false} is VALID [2022-02-20 16:50:41,474 INFO L272 TraceCheckUtils]: 18: Hoare triple {2556#false} call outb(~port#1, 536); {2556#false} is VALID [2022-02-20 16:50:41,474 INFO L290 TraceCheckUtils]: 19: Hoare triple {2556#false} ~byte := #in~byte;~port := #in~port; {2556#false} is VALID [2022-02-20 16:50:41,475 INFO L272 TraceCheckUtils]: 20: Hoare triple {2556#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {2556#false} is VALID [2022-02-20 16:50:41,475 INFO L290 TraceCheckUtils]: 21: Hoare triple {2556#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {2556#false} is VALID [2022-02-20 16:50:41,475 INFO L290 TraceCheckUtils]: 22: Hoare triple {2556#false} assume 0 == ~expression; {2556#false} is VALID [2022-02-20 16:50:41,475 INFO L290 TraceCheckUtils]: 23: Hoare triple {2556#false} assume !false; {2556#false} is VALID [2022-02-20 16:50:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:50:41,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:50:41,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143140929] [2022-02-20 16:50:41,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143140929] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:50:41,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:50:41,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:50:41,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882534614] [2022-02-20 16:50:41,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:50:41,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-20 16:50:41,479 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:50:41,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:41,505 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:41,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:50:41,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:50:41,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:50:41,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:50:41,507 INFO L87 Difference]: Start difference. First operand 348 states and 480 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:43,976 INFO L93 Difference]: Finished difference Result 702 states and 968 transitions. [2022-02-20 16:50:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:50:43,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-20 16:50:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:50:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 968 transitions. [2022-02-20 16:50:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 968 transitions. [2022-02-20 16:50:44,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 968 transitions. [2022-02-20 16:50:44,795 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 968 edges. 968 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:44,810 INFO L225 Difference]: With dead ends: 702 [2022-02-20 16:50:44,811 INFO L226 Difference]: Without dead ends: 360 [2022-02-20 16:50:44,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:50:44,813 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 87 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 16:50:44,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 1016 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 16:50:44,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-02-20 16:50:44,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2022-02-20 16:50:44,832 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:50:44,833 INFO L82 GeneralOperation]: Start isEquivalent. First operand 360 states. Second operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:44,834 INFO L74 IsIncluded]: Start isIncluded. First operand 360 states. Second operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:44,836 INFO L87 Difference]: Start difference. First operand 360 states. Second operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:44,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:44,864 INFO L93 Difference]: Finished difference Result 360 states and 494 transitions. [2022-02-20 16:50:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 494 transitions. [2022-02-20 16:50:44,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:44,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:44,869 INFO L74 IsIncluded]: Start isIncluded. First operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 360 states. [2022-02-20 16:50:44,871 INFO L87 Difference]: Start difference. First operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 360 states. [2022-02-20 16:50:44,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:44,890 INFO L93 Difference]: Finished difference Result 360 states and 494 transitions. [2022-02-20 16:50:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 494 transitions. [2022-02-20 16:50:44,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:44,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:44,892 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:50:44,892 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:50:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 482 transitions. [2022-02-20 16:50:44,911 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 482 transitions. Word has length 24 [2022-02-20 16:50:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:50:44,912 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 482 transitions. [2022-02-20 16:50:44,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:50:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2022-02-20 16:50:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 16:50:44,913 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:50:44,914 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, 1, 1, 1, 1, 1, 1] [2022-02-20 16:50:44,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:50:44,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:50:44,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:50:44,915 INFO L85 PathProgramCache]: Analyzing trace with hash -440898722, now seen corresponding path program 1 times [2022-02-20 16:50:44,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:50:44,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983702928] [2022-02-20 16:50:44,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:50:44,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:50:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 16:50:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:45,080 INFO L290 TraceCheckUtils]: 0: Hoare triple {4746#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {4736#true} is VALID [2022-02-20 16:50:45,080 INFO L290 TraceCheckUtils]: 1: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,080 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4736#true} {4736#true} #857#return; {4736#true} is VALID [2022-02-20 16:50:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 16:50:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:45,090 INFO L290 TraceCheckUtils]: 0: Hoare triple {4736#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {4736#true} is VALID [2022-02-20 16:50:45,090 INFO L290 TraceCheckUtils]: 1: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,090 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4736#true} {4737#false} #859#return; {4737#false} is VALID [2022-02-20 16:50:45,091 INFO L290 TraceCheckUtils]: 0: Hoare triple {4736#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {4736#true} is VALID [2022-02-20 16:50:45,091 INFO L290 TraceCheckUtils]: 1: Hoare triple {4736#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {4736#true} is VALID [2022-02-20 16:50:45,092 INFO L272 TraceCheckUtils]: 2: Hoare triple {4736#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {4746#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2022-02-20 16:50:45,092 INFO L290 TraceCheckUtils]: 3: Hoare triple {4746#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {4736#true} is VALID [2022-02-20 16:50:45,092 INFO L290 TraceCheckUtils]: 4: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,093 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4736#true} {4736#true} #857#return; {4736#true} is VALID [2022-02-20 16:50:45,093 INFO L290 TraceCheckUtils]: 6: Hoare triple {4736#true} init_kernel_~i~1#1 := 0; {4741#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:45,094 INFO L290 TraceCheckUtils]: 7: Hoare triple {4741#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {4741#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:45,094 INFO L290 TraceCheckUtils]: 8: Hoare triple {4741#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {4742#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} is VALID [2022-02-20 16:50:45,095 INFO L290 TraceCheckUtils]: 9: Hoare triple {4742#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} assume !(init_kernel_~i~1#1 < 10); {4737#false} is VALID [2022-02-20 16:50:45,095 INFO L290 TraceCheckUtils]: 10: Hoare triple {4737#false} init_kernel_~i~1#1 := 0; {4737#false} is VALID [2022-02-20 16:50:45,095 INFO L290 TraceCheckUtils]: 11: Hoare triple {4737#false} assume !!(init_kernel_~i~1#1 < 1);call write~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1, 4);call write~int(0, ~#tasklet_registered~0.base, 4 + (~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1), 2); {4737#false} is VALID [2022-02-20 16:50:45,095 INFO L290 TraceCheckUtils]: 12: Hoare triple {4737#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post301#1;havoc init_kernel_#t~post301#1; {4737#false} is VALID [2022-02-20 16:50:45,096 INFO L290 TraceCheckUtils]: 13: Hoare triple {4737#false} assume !(init_kernel_~i~1#1 < 1); {4737#false} is VALID [2022-02-20 16:50:45,096 INFO L290 TraceCheckUtils]: 14: Hoare triple {4737#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {4737#false} is VALID [2022-02-20 16:50:45,098 INFO L272 TraceCheckUtils]: 15: Hoare triple {4737#false} call zf_init_#t~ret219#1 := printk(21, 0); {4736#true} is VALID [2022-02-20 16:50:45,098 INFO L290 TraceCheckUtils]: 16: Hoare triple {4736#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {4736#true} is VALID [2022-02-20 16:50:45,098 INFO L290 TraceCheckUtils]: 17: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,098 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4736#true} {4737#false} #859#return; {4737#false} is VALID [2022-02-20 16:50:45,098 INFO L290 TraceCheckUtils]: 19: Hoare triple {4737#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {4737#false} is VALID [2022-02-20 16:50:45,099 INFO L272 TraceCheckUtils]: 20: Hoare triple {4737#false} call zf_init_#t~ret220#1 := zf_readw(2); {4737#false} is VALID [2022-02-20 16:50:45,099 INFO L290 TraceCheckUtils]: 21: Hoare triple {4737#false} ~port#1 := #in~port#1; {4737#false} is VALID [2022-02-20 16:50:45,099 INFO L272 TraceCheckUtils]: 22: Hoare triple {4737#false} call outb(~port#1, 536); {4737#false} is VALID [2022-02-20 16:50:45,099 INFO L290 TraceCheckUtils]: 23: Hoare triple {4737#false} ~byte := #in~byte;~port := #in~port; {4737#false} is VALID [2022-02-20 16:50:45,100 INFO L272 TraceCheckUtils]: 24: Hoare triple {4737#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {4737#false} is VALID [2022-02-20 16:50:45,100 INFO L290 TraceCheckUtils]: 25: Hoare triple {4737#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {4737#false} is VALID [2022-02-20 16:50:45,100 INFO L290 TraceCheckUtils]: 26: Hoare triple {4737#false} assume 0 == ~expression; {4737#false} is VALID [2022-02-20 16:50:45,100 INFO L290 TraceCheckUtils]: 27: Hoare triple {4737#false} assume !false; {4737#false} is VALID [2022-02-20 16:50:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:50:45,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:50:45,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983702928] [2022-02-20 16:50:45,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983702928] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:50:45,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631611284] [2022-02-20 16:50:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:50:45,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:50:45,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:50:45,107 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) [2022-02-20 16:50:45,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 16:50:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:45,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 16:50:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:45,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:50:45,575 INFO L290 TraceCheckUtils]: 0: Hoare triple {4736#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {4736#true} is VALID [2022-02-20 16:50:45,575 INFO L290 TraceCheckUtils]: 1: Hoare triple {4736#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {4736#true} is VALID [2022-02-20 16:50:45,584 INFO L272 TraceCheckUtils]: 2: Hoare triple {4736#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {4736#true} is VALID [2022-02-20 16:50:45,584 INFO L290 TraceCheckUtils]: 3: Hoare triple {4736#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {4736#true} is VALID [2022-02-20 16:50:45,584 INFO L290 TraceCheckUtils]: 4: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,584 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4736#true} {4736#true} #857#return; {4736#true} is VALID [2022-02-20 16:50:45,585 INFO L290 TraceCheckUtils]: 6: Hoare triple {4736#true} init_kernel_~i~1#1 := 0; {4768#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:45,586 INFO L290 TraceCheckUtils]: 7: Hoare triple {4768#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {4768#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:45,586 INFO L290 TraceCheckUtils]: 8: Hoare triple {4768#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {4742#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} is VALID [2022-02-20 16:50:45,587 INFO L290 TraceCheckUtils]: 9: Hoare triple {4742#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} assume !(init_kernel_~i~1#1 < 10); {4737#false} is VALID [2022-02-20 16:50:45,587 INFO L290 TraceCheckUtils]: 10: Hoare triple {4737#false} init_kernel_~i~1#1 := 0; {4737#false} is VALID [2022-02-20 16:50:45,587 INFO L290 TraceCheckUtils]: 11: Hoare triple {4737#false} assume !!(init_kernel_~i~1#1 < 1);call write~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1, 4);call write~int(0, ~#tasklet_registered~0.base, 4 + (~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1), 2); {4737#false} is VALID [2022-02-20 16:50:45,587 INFO L290 TraceCheckUtils]: 12: Hoare triple {4737#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post301#1;havoc init_kernel_#t~post301#1; {4737#false} is VALID [2022-02-20 16:50:45,588 INFO L290 TraceCheckUtils]: 13: Hoare triple {4737#false} assume !(init_kernel_~i~1#1 < 1); {4737#false} is VALID [2022-02-20 16:50:45,588 INFO L290 TraceCheckUtils]: 14: Hoare triple {4737#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {4737#false} is VALID [2022-02-20 16:50:45,588 INFO L272 TraceCheckUtils]: 15: Hoare triple {4737#false} call zf_init_#t~ret219#1 := printk(21, 0); {4737#false} is VALID [2022-02-20 16:50:45,588 INFO L290 TraceCheckUtils]: 16: Hoare triple {4737#false} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {4737#false} is VALID [2022-02-20 16:50:45,588 INFO L290 TraceCheckUtils]: 17: Hoare triple {4737#false} assume true; {4737#false} is VALID [2022-02-20 16:50:45,589 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4737#false} {4737#false} #859#return; {4737#false} is VALID [2022-02-20 16:50:45,592 INFO L290 TraceCheckUtils]: 19: Hoare triple {4737#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {4737#false} is VALID [2022-02-20 16:50:45,593 INFO L272 TraceCheckUtils]: 20: Hoare triple {4737#false} call zf_init_#t~ret220#1 := zf_readw(2); {4737#false} is VALID [2022-02-20 16:50:45,593 INFO L290 TraceCheckUtils]: 21: Hoare triple {4737#false} ~port#1 := #in~port#1; {4737#false} is VALID [2022-02-20 16:50:45,593 INFO L272 TraceCheckUtils]: 22: Hoare triple {4737#false} call outb(~port#1, 536); {4737#false} is VALID [2022-02-20 16:50:45,593 INFO L290 TraceCheckUtils]: 23: Hoare triple {4737#false} ~byte := #in~byte;~port := #in~port; {4737#false} is VALID [2022-02-20 16:50:45,594 INFO L272 TraceCheckUtils]: 24: Hoare triple {4737#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {4737#false} is VALID [2022-02-20 16:50:45,594 INFO L290 TraceCheckUtils]: 25: Hoare triple {4737#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {4737#false} is VALID [2022-02-20 16:50:45,594 INFO L290 TraceCheckUtils]: 26: Hoare triple {4737#false} assume 0 == ~expression; {4737#false} is VALID [2022-02-20 16:50:45,594 INFO L290 TraceCheckUtils]: 27: Hoare triple {4737#false} assume !false; {4737#false} is VALID [2022-02-20 16:50:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:50:45,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:50:45,742 INFO L290 TraceCheckUtils]: 27: Hoare triple {4737#false} assume !false; {4737#false} is VALID [2022-02-20 16:50:45,742 INFO L290 TraceCheckUtils]: 26: Hoare triple {4737#false} assume 0 == ~expression; {4737#false} is VALID [2022-02-20 16:50:45,742 INFO L290 TraceCheckUtils]: 25: Hoare triple {4737#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {4737#false} is VALID [2022-02-20 16:50:45,742 INFO L272 TraceCheckUtils]: 24: Hoare triple {4737#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {4737#false} is VALID [2022-02-20 16:50:45,743 INFO L290 TraceCheckUtils]: 23: Hoare triple {4737#false} ~byte := #in~byte;~port := #in~port; {4737#false} is VALID [2022-02-20 16:50:45,743 INFO L272 TraceCheckUtils]: 22: Hoare triple {4737#false} call outb(~port#1, 536); {4737#false} is VALID [2022-02-20 16:50:45,743 INFO L290 TraceCheckUtils]: 21: Hoare triple {4737#false} ~port#1 := #in~port#1; {4737#false} is VALID [2022-02-20 16:50:45,743 INFO L272 TraceCheckUtils]: 20: Hoare triple {4737#false} call zf_init_#t~ret220#1 := zf_readw(2); {4737#false} is VALID [2022-02-20 16:50:45,743 INFO L290 TraceCheckUtils]: 19: Hoare triple {4737#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {4737#false} is VALID [2022-02-20 16:50:45,744 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4736#true} {4737#false} #859#return; {4737#false} is VALID [2022-02-20 16:50:45,744 INFO L290 TraceCheckUtils]: 17: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,744 INFO L290 TraceCheckUtils]: 16: Hoare triple {4736#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {4736#true} is VALID [2022-02-20 16:50:45,744 INFO L272 TraceCheckUtils]: 15: Hoare triple {4737#false} call zf_init_#t~ret219#1 := printk(21, 0); {4736#true} is VALID [2022-02-20 16:50:45,744 INFO L290 TraceCheckUtils]: 14: Hoare triple {4737#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {4737#false} is VALID [2022-02-20 16:50:45,745 INFO L290 TraceCheckUtils]: 13: Hoare triple {4737#false} assume !(init_kernel_~i~1#1 < 1); {4737#false} is VALID [2022-02-20 16:50:45,745 INFO L290 TraceCheckUtils]: 12: Hoare triple {4737#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post301#1;havoc init_kernel_#t~post301#1; {4737#false} is VALID [2022-02-20 16:50:45,745 INFO L290 TraceCheckUtils]: 11: Hoare triple {4737#false} assume !!(init_kernel_~i~1#1 < 1);call write~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1, 4);call write~int(0, ~#tasklet_registered~0.base, 4 + (~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1), 2); {4737#false} is VALID [2022-02-20 16:50:45,745 INFO L290 TraceCheckUtils]: 10: Hoare triple {4737#false} init_kernel_~i~1#1 := 0; {4737#false} is VALID [2022-02-20 16:50:45,746 INFO L290 TraceCheckUtils]: 9: Hoare triple {4886#(< |ULTIMATE.start_init_kernel_~i~1#1| 10)} assume !(init_kernel_~i~1#1 < 10); {4737#false} is VALID [2022-02-20 16:50:45,746 INFO L290 TraceCheckUtils]: 8: Hoare triple {4890#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {4886#(< |ULTIMATE.start_init_kernel_~i~1#1| 10)} is VALID [2022-02-20 16:50:45,747 INFO L290 TraceCheckUtils]: 7: Hoare triple {4890#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {4890#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} is VALID [2022-02-20 16:50:45,747 INFO L290 TraceCheckUtils]: 6: Hoare triple {4736#true} init_kernel_~i~1#1 := 0; {4890#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} is VALID [2022-02-20 16:50:45,747 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4736#true} {4736#true} #857#return; {4736#true} is VALID [2022-02-20 16:50:45,748 INFO L290 TraceCheckUtils]: 4: Hoare triple {4736#true} assume true; {4736#true} is VALID [2022-02-20 16:50:45,748 INFO L290 TraceCheckUtils]: 3: Hoare triple {4736#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {4736#true} is VALID [2022-02-20 16:50:45,748 INFO L272 TraceCheckUtils]: 2: Hoare triple {4736#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {4736#true} is VALID [2022-02-20 16:50:45,748 INFO L290 TraceCheckUtils]: 1: Hoare triple {4736#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {4736#true} is VALID [2022-02-20 16:50:45,748 INFO L290 TraceCheckUtils]: 0: Hoare triple {4736#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {4736#true} is VALID [2022-02-20 16:50:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:50:45,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631611284] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:50:45,749 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:50:45,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-02-20 16:50:45,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663426696] [2022-02-20 16:50:45,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:50:45,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 16:50:45,751 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:50:45,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:45,789 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:45,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 16:50:45,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:50:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 16:50:45,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-02-20 16:50:45,791 INFO L87 Difference]: Start difference. First operand 350 states and 482 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:49,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:49,890 INFO L93 Difference]: Finished difference Result 708 states and 975 transitions. [2022-02-20 16:50:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 16:50:49,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 16:50:49,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:50:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:49,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 974 transitions. [2022-02-20 16:50:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 974 transitions. [2022-02-20 16:50:49,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 974 transitions. [2022-02-20 16:50:50,666 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 974 edges. 974 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:50,679 INFO L225 Difference]: With dead ends: 708 [2022-02-20 16:50:50,680 INFO L226 Difference]: Without dead ends: 365 [2022-02-20 16:50:50,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-02-20 16:50:50,685 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 257 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-20 16:50:50,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 1530 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-20 16:50:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-02-20 16:50:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 356. [2022-02-20 16:50:50,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:50:50,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 365 states. Second operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:50,735 INFO L74 IsIncluded]: Start isIncluded. First operand 365 states. Second operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:50,736 INFO L87 Difference]: Start difference. First operand 365 states. Second operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:50,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:50,754 INFO L93 Difference]: Finished difference Result 365 states and 499 transitions. [2022-02-20 16:50:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 499 transitions. [2022-02-20 16:50:50,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:50,777 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:50,779 INFO L74 IsIncluded]: Start isIncluded. First operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 365 states. [2022-02-20 16:50:50,780 INFO L87 Difference]: Start difference. First operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 365 states. [2022-02-20 16:50:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:50,793 INFO L93 Difference]: Finished difference Result 365 states and 499 transitions. [2022-02-20 16:50:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 499 transitions. [2022-02-20 16:50:50,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:50,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:50,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:50:50,795 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:50:50,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 249 states have (on average 1.3293172690763053) internal successors, (331), 255 states have internal predecessors, (331), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 488 transitions. [2022-02-20 16:50:50,810 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 488 transitions. Word has length 28 [2022-02-20 16:50:50,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:50:50,811 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 488 transitions. [2022-02-20 16:50:50,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 488 transitions. [2022-02-20 16:50:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 16:50:50,814 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:50:50,814 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:50:50,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 16:50:51,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:50:51,036 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:50:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:50:51,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1521182952, now seen corresponding path program 2 times [2022-02-20 16:50:51,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:50:51,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118753665] [2022-02-20 16:50:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:50:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:50:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 16:50:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:51,242 INFO L290 TraceCheckUtils]: 0: Hoare triple {7125#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {7112#true} is VALID [2022-02-20 16:50:51,247 INFO L290 TraceCheckUtils]: 1: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:51,247 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7112#true} {7112#true} #857#return; {7112#true} is VALID [2022-02-20 16:50:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 16:50:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:51,258 INFO L290 TraceCheckUtils]: 0: Hoare triple {7112#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {7112#true} is VALID [2022-02-20 16:50:51,258 INFO L290 TraceCheckUtils]: 1: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:51,259 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7112#true} {7113#false} #859#return; {7113#false} is VALID [2022-02-20 16:50:51,259 INFO L290 TraceCheckUtils]: 0: Hoare triple {7112#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {7112#true} is VALID [2022-02-20 16:50:51,259 INFO L290 TraceCheckUtils]: 1: Hoare triple {7112#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {7112#true} is VALID [2022-02-20 16:50:51,263 INFO L272 TraceCheckUtils]: 2: Hoare triple {7112#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {7125#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2022-02-20 16:50:51,263 INFO L290 TraceCheckUtils]: 3: Hoare triple {7125#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {7112#true} is VALID [2022-02-20 16:50:51,264 INFO L290 TraceCheckUtils]: 4: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:51,264 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {7112#true} {7112#true} #857#return; {7112#true} is VALID [2022-02-20 16:50:51,264 INFO L290 TraceCheckUtils]: 6: Hoare triple {7112#true} init_kernel_~i~1#1 := 0; {7117#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:51,267 INFO L290 TraceCheckUtils]: 7: Hoare triple {7117#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7117#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:51,275 INFO L290 TraceCheckUtils]: 8: Hoare triple {7117#(= |ULTIMATE.start_init_kernel_~i~1#1| 0)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} is VALID [2022-02-20 16:50:51,276 INFO L290 TraceCheckUtils]: 9: Hoare triple {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} is VALID [2022-02-20 16:50:51,277 INFO L290 TraceCheckUtils]: 10: Hoare triple {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} is VALID [2022-02-20 16:50:51,279 INFO L290 TraceCheckUtils]: 11: Hoare triple {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} is VALID [2022-02-20 16:50:51,280 INFO L290 TraceCheckUtils]: 12: Hoare triple {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} is VALID [2022-02-20 16:50:51,280 INFO L290 TraceCheckUtils]: 13: Hoare triple {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} is VALID [2022-02-20 16:50:51,280 INFO L290 TraceCheckUtils]: 14: Hoare triple {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7121#(<= |ULTIMATE.start_init_kernel_~i~1#1| 4)} is VALID [2022-02-20 16:50:51,281 INFO L290 TraceCheckUtils]: 15: Hoare triple {7121#(<= |ULTIMATE.start_init_kernel_~i~1#1| 4)} assume !(init_kernel_~i~1#1 < 10); {7113#false} is VALID [2022-02-20 16:50:51,283 INFO L290 TraceCheckUtils]: 16: Hoare triple {7113#false} init_kernel_~i~1#1 := 0; {7113#false} is VALID [2022-02-20 16:50:51,283 INFO L290 TraceCheckUtils]: 17: Hoare triple {7113#false} assume !!(init_kernel_~i~1#1 < 1);call write~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1, 4);call write~int(0, ~#tasklet_registered~0.base, 4 + (~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1), 2); {7113#false} is VALID [2022-02-20 16:50:51,283 INFO L290 TraceCheckUtils]: 18: Hoare triple {7113#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post301#1;havoc init_kernel_#t~post301#1; {7113#false} is VALID [2022-02-20 16:50:51,285 INFO L290 TraceCheckUtils]: 19: Hoare triple {7113#false} assume !(init_kernel_~i~1#1 < 1); {7113#false} is VALID [2022-02-20 16:50:51,285 INFO L290 TraceCheckUtils]: 20: Hoare triple {7113#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {7113#false} is VALID [2022-02-20 16:50:51,285 INFO L272 TraceCheckUtils]: 21: Hoare triple {7113#false} call zf_init_#t~ret219#1 := printk(21, 0); {7112#true} is VALID [2022-02-20 16:50:51,288 INFO L290 TraceCheckUtils]: 22: Hoare triple {7112#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {7112#true} is VALID [2022-02-20 16:50:51,288 INFO L290 TraceCheckUtils]: 23: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:51,289 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {7112#true} {7113#false} #859#return; {7113#false} is VALID [2022-02-20 16:50:51,289 INFO L290 TraceCheckUtils]: 25: Hoare triple {7113#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {7113#false} is VALID [2022-02-20 16:50:51,290 INFO L272 TraceCheckUtils]: 26: Hoare triple {7113#false} call zf_init_#t~ret220#1 := zf_readw(2); {7113#false} is VALID [2022-02-20 16:50:51,290 INFO L290 TraceCheckUtils]: 27: Hoare triple {7113#false} ~port#1 := #in~port#1; {7113#false} is VALID [2022-02-20 16:50:51,290 INFO L272 TraceCheckUtils]: 28: Hoare triple {7113#false} call outb(~port#1, 536); {7113#false} is VALID [2022-02-20 16:50:51,291 INFO L290 TraceCheckUtils]: 29: Hoare triple {7113#false} ~byte := #in~byte;~port := #in~port; {7113#false} is VALID [2022-02-20 16:50:51,291 INFO L272 TraceCheckUtils]: 30: Hoare triple {7113#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {7113#false} is VALID [2022-02-20 16:50:51,291 INFO L290 TraceCheckUtils]: 31: Hoare triple {7113#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {7113#false} is VALID [2022-02-20 16:50:51,291 INFO L290 TraceCheckUtils]: 32: Hoare triple {7113#false} assume 0 == ~expression; {7113#false} is VALID [2022-02-20 16:50:51,291 INFO L290 TraceCheckUtils]: 33: Hoare triple {7113#false} assume !false; {7113#false} is VALID [2022-02-20 16:50:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:50:51,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:50:51,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118753665] [2022-02-20 16:50:51,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118753665] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:50:51,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478948316] [2022-02-20 16:50:51,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 16:50:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:50:51,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:50:51,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:50:51,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 16:50:52,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 16:50:52,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 16:50:52,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 16:50:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:50:52,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:50:52,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {7112#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {7112#true} is VALID [2022-02-20 16:50:52,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {7112#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {7112#true} is VALID [2022-02-20 16:50:52,350 INFO L272 TraceCheckUtils]: 2: Hoare triple {7112#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {7112#true} is VALID [2022-02-20 16:50:52,350 INFO L290 TraceCheckUtils]: 3: Hoare triple {7112#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {7112#true} is VALID [2022-02-20 16:50:52,350 INFO L290 TraceCheckUtils]: 4: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:52,351 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {7112#true} {7112#true} #857#return; {7112#true} is VALID [2022-02-20 16:50:52,351 INFO L290 TraceCheckUtils]: 6: Hoare triple {7112#true} init_kernel_~i~1#1 := 0; {7147#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:52,351 INFO L290 TraceCheckUtils]: 7: Hoare triple {7147#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7147#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} is VALID [2022-02-20 16:50:52,355 INFO L290 TraceCheckUtils]: 8: Hoare triple {7147#(<= |ULTIMATE.start_init_kernel_~i~1#1| 0)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} is VALID [2022-02-20 16:50:52,355 INFO L290 TraceCheckUtils]: 9: Hoare triple {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} is VALID [2022-02-20 16:50:52,356 INFO L290 TraceCheckUtils]: 10: Hoare triple {7118#(<= |ULTIMATE.start_init_kernel_~i~1#1| 1)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} is VALID [2022-02-20 16:50:52,356 INFO L290 TraceCheckUtils]: 11: Hoare triple {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} is VALID [2022-02-20 16:50:52,357 INFO L290 TraceCheckUtils]: 12: Hoare triple {7119#(<= |ULTIMATE.start_init_kernel_~i~1#1| 2)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} is VALID [2022-02-20 16:50:52,357 INFO L290 TraceCheckUtils]: 13: Hoare triple {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} is VALID [2022-02-20 16:50:52,358 INFO L290 TraceCheckUtils]: 14: Hoare triple {7120#(<= |ULTIMATE.start_init_kernel_~i~1#1| 3)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7121#(<= |ULTIMATE.start_init_kernel_~i~1#1| 4)} is VALID [2022-02-20 16:50:52,358 INFO L290 TraceCheckUtils]: 15: Hoare triple {7121#(<= |ULTIMATE.start_init_kernel_~i~1#1| 4)} assume !(init_kernel_~i~1#1 < 10); {7113#false} is VALID [2022-02-20 16:50:52,358 INFO L290 TraceCheckUtils]: 16: Hoare triple {7113#false} init_kernel_~i~1#1 := 0; {7113#false} is VALID [2022-02-20 16:50:52,359 INFO L290 TraceCheckUtils]: 17: Hoare triple {7113#false} assume !!(init_kernel_~i~1#1 < 1);call write~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1, 4);call write~int(0, ~#tasklet_registered~0.base, 4 + (~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1), 2); {7113#false} is VALID [2022-02-20 16:50:52,359 INFO L290 TraceCheckUtils]: 18: Hoare triple {7113#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post301#1;havoc init_kernel_#t~post301#1; {7113#false} is VALID [2022-02-20 16:50:52,359 INFO L290 TraceCheckUtils]: 19: Hoare triple {7113#false} assume !(init_kernel_~i~1#1 < 1); {7113#false} is VALID [2022-02-20 16:50:52,359 INFO L290 TraceCheckUtils]: 20: Hoare triple {7113#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {7113#false} is VALID [2022-02-20 16:50:52,359 INFO L272 TraceCheckUtils]: 21: Hoare triple {7113#false} call zf_init_#t~ret219#1 := printk(21, 0); {7113#false} is VALID [2022-02-20 16:50:52,359 INFO L290 TraceCheckUtils]: 22: Hoare triple {7113#false} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {7113#false} is VALID [2022-02-20 16:50:52,360 INFO L290 TraceCheckUtils]: 23: Hoare triple {7113#false} assume true; {7113#false} is VALID [2022-02-20 16:50:52,360 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {7113#false} {7113#false} #859#return; {7113#false} is VALID [2022-02-20 16:50:52,360 INFO L290 TraceCheckUtils]: 25: Hoare triple {7113#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {7113#false} is VALID [2022-02-20 16:50:52,360 INFO L272 TraceCheckUtils]: 26: Hoare triple {7113#false} call zf_init_#t~ret220#1 := zf_readw(2); {7113#false} is VALID [2022-02-20 16:50:52,360 INFO L290 TraceCheckUtils]: 27: Hoare triple {7113#false} ~port#1 := #in~port#1; {7113#false} is VALID [2022-02-20 16:50:52,360 INFO L272 TraceCheckUtils]: 28: Hoare triple {7113#false} call outb(~port#1, 536); {7113#false} is VALID [2022-02-20 16:50:52,361 INFO L290 TraceCheckUtils]: 29: Hoare triple {7113#false} ~byte := #in~byte;~port := #in~port; {7113#false} is VALID [2022-02-20 16:50:52,361 INFO L272 TraceCheckUtils]: 30: Hoare triple {7113#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {7113#false} is VALID [2022-02-20 16:50:52,361 INFO L290 TraceCheckUtils]: 31: Hoare triple {7113#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {7113#false} is VALID [2022-02-20 16:50:52,361 INFO L290 TraceCheckUtils]: 32: Hoare triple {7113#false} assume 0 == ~expression; {7113#false} is VALID [2022-02-20 16:50:52,361 INFO L290 TraceCheckUtils]: 33: Hoare triple {7113#false} assume !false; {7113#false} is VALID [2022-02-20 16:50:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:50:52,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:50:52,524 INFO L290 TraceCheckUtils]: 33: Hoare triple {7113#false} assume !false; {7113#false} is VALID [2022-02-20 16:50:52,524 INFO L290 TraceCheckUtils]: 32: Hoare triple {7113#false} assume 0 == ~expression; {7113#false} is VALID [2022-02-20 16:50:52,524 INFO L290 TraceCheckUtils]: 31: Hoare triple {7113#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {7113#false} is VALID [2022-02-20 16:50:52,525 INFO L272 TraceCheckUtils]: 30: Hoare triple {7113#false} call __VERIFIER_assert((if ~port % 4294967296 >= ~ddv_ioport_request_start~0 % 4294967296 && ~port % 4294967296 < (~ddv_ioport_request_start~0 + ~ddv_ioport_request_len~0) % 4294967296 then 1 else 0), 28, 0); {7113#false} is VALID [2022-02-20 16:50:52,525 INFO L290 TraceCheckUtils]: 29: Hoare triple {7113#false} ~byte := #in~byte;~port := #in~port; {7113#false} is VALID [2022-02-20 16:50:52,525 INFO L272 TraceCheckUtils]: 28: Hoare triple {7113#false} call outb(~port#1, 536); {7113#false} is VALID [2022-02-20 16:50:52,525 INFO L290 TraceCheckUtils]: 27: Hoare triple {7113#false} ~port#1 := #in~port#1; {7113#false} is VALID [2022-02-20 16:50:52,525 INFO L272 TraceCheckUtils]: 26: Hoare triple {7113#false} call zf_init_#t~ret220#1 := zf_readw(2); {7113#false} is VALID [2022-02-20 16:50:52,525 INFO L290 TraceCheckUtils]: 25: Hoare triple {7113#false} assume -2147483648 <= zf_init_#t~ret219#1 && zf_init_#t~ret219#1 <= 2147483647;havoc zf_init_#t~ret219#1; {7113#false} is VALID [2022-02-20 16:50:52,526 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {7112#true} {7113#false} #859#return; {7113#false} is VALID [2022-02-20 16:50:52,526 INFO L290 TraceCheckUtils]: 23: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:52,526 INFO L290 TraceCheckUtils]: 22: Hoare triple {7112#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0; {7112#true} is VALID [2022-02-20 16:50:52,531 INFO L272 TraceCheckUtils]: 21: Hoare triple {7113#false} call zf_init_#t~ret219#1 := printk(21, 0); {7112#true} is VALID [2022-02-20 16:50:52,531 INFO L290 TraceCheckUtils]: 20: Hoare triple {7113#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~int } true;##fun~~TO~int_#in~#fp#1.base, ##fun~~TO~int_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~int_#res#1;havoc ##fun~~TO~int_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {7113#false} is VALID [2022-02-20 16:50:52,532 INFO L290 TraceCheckUtils]: 19: Hoare triple {7113#false} assume !(init_kernel_~i~1#1 < 1); {7113#false} is VALID [2022-02-20 16:50:52,533 INFO L290 TraceCheckUtils]: 18: Hoare triple {7113#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post301#1;havoc init_kernel_#t~post301#1; {7113#false} is VALID [2022-02-20 16:50:52,535 INFO L290 TraceCheckUtils]: 17: Hoare triple {7113#false} assume !!(init_kernel_~i~1#1 < 1);call write~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1, 4);call write~int(0, ~#tasklet_registered~0.base, 4 + (~#tasklet_registered~0.offset + 6 * init_kernel_~i~1#1), 2); {7113#false} is VALID [2022-02-20 16:50:52,536 INFO L290 TraceCheckUtils]: 16: Hoare triple {7113#false} init_kernel_~i~1#1 := 0; {7113#false} is VALID [2022-02-20 16:50:52,536 INFO L290 TraceCheckUtils]: 15: Hoare triple {7283#(< |ULTIMATE.start_init_kernel_~i~1#1| 10)} assume !(init_kernel_~i~1#1 < 10); {7113#false} is VALID [2022-02-20 16:50:52,537 INFO L290 TraceCheckUtils]: 14: Hoare triple {7287#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7283#(< |ULTIMATE.start_init_kernel_~i~1#1| 10)} is VALID [2022-02-20 16:50:52,538 INFO L290 TraceCheckUtils]: 13: Hoare triple {7287#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7287#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} is VALID [2022-02-20 16:50:52,538 INFO L290 TraceCheckUtils]: 12: Hoare triple {7294#(< |ULTIMATE.start_init_kernel_~i~1#1| 8)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7287#(< |ULTIMATE.start_init_kernel_~i~1#1| 9)} is VALID [2022-02-20 16:50:52,539 INFO L290 TraceCheckUtils]: 11: Hoare triple {7294#(< |ULTIMATE.start_init_kernel_~i~1#1| 8)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7294#(< |ULTIMATE.start_init_kernel_~i~1#1| 8)} is VALID [2022-02-20 16:50:52,540 INFO L290 TraceCheckUtils]: 10: Hoare triple {7301#(< |ULTIMATE.start_init_kernel_~i~1#1| 7)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7294#(< |ULTIMATE.start_init_kernel_~i~1#1| 8)} is VALID [2022-02-20 16:50:52,540 INFO L290 TraceCheckUtils]: 9: Hoare triple {7301#(< |ULTIMATE.start_init_kernel_~i~1#1| 7)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7301#(< |ULTIMATE.start_init_kernel_~i~1#1| 7)} is VALID [2022-02-20 16:50:52,541 INFO L290 TraceCheckUtils]: 8: Hoare triple {7308#(< |ULTIMATE.start_init_kernel_~i~1#1| 6)} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := 1 + init_kernel_#t~post300#1;havoc init_kernel_#t~post300#1; {7301#(< |ULTIMATE.start_init_kernel_~i~1#1| 7)} is VALID [2022-02-20 16:50:52,542 INFO L290 TraceCheckUtils]: 7: Hoare triple {7308#(< |ULTIMATE.start_init_kernel_~i~1#1| 6)} assume !!(init_kernel_~i~1#1 < 10);call write~$Pointer$(0, 0, ~#shared_workqueue~0.base, ~#shared_workqueue~0.offset + 4 * init_kernel_~i~1#1, 4); {7308#(< |ULTIMATE.start_init_kernel_~i~1#1| 6)} is VALID [2022-02-20 16:50:52,542 INFO L290 TraceCheckUtils]: 6: Hoare triple {7112#true} init_kernel_~i~1#1 := 0; {7308#(< |ULTIMATE.start_init_kernel_~i~1#1| 6)} is VALID [2022-02-20 16:50:52,542 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {7112#true} {7112#true} #857#return; {7112#true} is VALID [2022-02-20 16:50:52,543 INFO L290 TraceCheckUtils]: 4: Hoare triple {7112#true} assume true; {7112#true} is VALID [2022-02-20 16:50:52,543 INFO L290 TraceCheckUtils]: 3: Hoare triple {7112#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~int(1, ~lock.base, ~lock.offset, 4);call write~int(0, ~lock.base, 4 + ~lock.offset, 4); {7112#true} is VALID [2022-02-20 16:50:52,545 INFO L272 TraceCheckUtils]: 2: Hoare triple {7112#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {7112#true} is VALID [2022-02-20 16:50:52,545 INFO L290 TraceCheckUtils]: 1: Hoare triple {7112#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {7112#true} is VALID [2022-02-20 16:50:52,545 INFO L290 TraceCheckUtils]: 0: Hoare triple {7112#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(34, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(31, 6);call #Ultimate.allocInit(4, 7);call write~init~int(71, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(76, 7, 2, 1);call write~init~int(0, 7, 3, 1);call #Ultimate.allocInit(75, 8);call #Ultimate.allocInit(18, 9);call #Ultimate.allocInit(73, 10);call #Ultimate.allocInit(44, 11);call #Ultimate.allocInit(43, 12);call #Ultimate.allocInit(39, 13);call #Ultimate.allocInit(69, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(6, 16);call write~init~int(82, 16, 0, 1);call write~init~int(69, 16, 1, 1);call write~init~int(83, 16, 2, 1);call write~init~int(69, 16, 3, 1);call write~init~int(84, 16, 4, 1);call write~init~int(0, 16, 5, 1);call #Ultimate.allocInit(4, 17);call write~init~int(83, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(73, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(78, 18, 0, 1);call write~init~int(77, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(83, 19, 0, 1);call write~init~int(67, 19, 1, 1);call write~init~int(73, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(40, 20);call #Ultimate.allocInit(58, 21);call #Ultimate.allocInit(31, 22);call #Ultimate.allocInit(36, 23);call #Ultimate.allocInit(14, 24);call #Ultimate.allocInit(35, 25);call #Ultimate.allocInit(44, 26);call #Ultimate.allocInit(22, 27);call #Ultimate.allocInit(22, 28);call #Ultimate.allocInit(22, 29);call #Ultimate.allocInit(22, 30);call #Ultimate.allocInit(22, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(22, 33);call #Ultimate.allocInit(22, 34);call #Ultimate.allocInit(22, 35);call #Ultimate.allocInit(22, 36);call #Ultimate.allocInit(22, 37);call #Ultimate.allocInit(22, 38);~current_execution_context~0 := 0;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0, 0;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0, 0;~jiffies~0 := 0;~_ddv_module_author~0 := ~const~array~~LB~int~RB~int();~_ddv_module_description~0 := ~const~array~~LB~int~RB~int();~_ddv_module_license~0 := ~_ddv_module_license~0[0 := 71];~_ddv_module_license~0 := ~_ddv_module_license~0[1 := 80];~_ddv_module_license~0 := ~_ddv_module_license~0[2 := 76];~_ddv_module_license~0 := ~_ddv_module_license~0[3 := 0];~nowayout~0 := 0;~_ddv_module_param_nowayout~0 := ~const~array~~LB~int~RB~int();~#zf_info~0.base, ~#zf_info~0.offset := 39, 0;call #Ultimate.allocInit(40, 39);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~int(~bitwiseOr(32768, 256), ~#zf_info~0.base, ~#zf_info~0.offset, 4);call write~unchecked~int(1, ~#zf_info~0.base, 4 + ~#zf_info~0.offset, 4);call write~init~int(0, ~#zf_info~0.base, 8 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 9 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 10 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 11 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 12 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 13 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 14 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 15 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 16 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 17 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 18 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 19 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 20 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 21 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 22 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 23 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 24 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 25 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 26 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 27 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 28 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 29 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 30 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 31 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 32 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 33 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 34 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 35 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 36 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 37 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 38 + ~#zf_info~0.offset, 1);call write~init~int(0, ~#zf_info~0.base, 39 + ~#zf_info~0.offset, 1);~action~0 := 0;~_ddv_module_param_action~0 := ~const~array~~LB~int~RB~int();~zf_action~0 := 2048;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40, 0;call #Ultimate.allocInit(4, 40);call write~init~int(0, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4);~zf_expect_close~0 := 0;~#zf_lock~0.base, ~#zf_lock~0.offset := 41, 0;call #Ultimate.allocInit(8, 41);call write~init~int(0, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4);call write~init~int(0, ~#zf_lock~0.base, 4 + ~#zf_lock~0.offset, 4);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42, 0;call #Ultimate.allocInit(8, 42);call write~init~int(0, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4);call write~init~int(0, ~#zf_port_lock~0.base, 4 + ~#zf_port_lock~0.offset, 4);~#zf_timer~0.base, ~#zf_timer~0.offset := 43, 0;call #Ultimate.allocInit(16, 43);call write~init~int(0, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_timer~0.base, 4 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 8 + ~#zf_timer~0.offset, 4);call write~init~int(0, ~#zf_timer~0.base, 12 + ~#zf_timer~0.offset, 2);call write~init~int(0, ~#zf_timer~0.base, 14 + ~#zf_timer~0.offset, 2);~next_heartbeat~0 := 0;~#zf_fops~0.base, ~#zf_fops~0.offset := 44, 0;call #Ultimate.allocInit(100, 44);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0, 0, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, 4 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, 12 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, 24 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, 40 + ~#zf_fops~0.offset, 4);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, 48 + ~#zf_fops~0.offset, 4);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45, 0;call #Ultimate.allocInit(12, 45);call write~init~int(130, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(15, 0, ~#zf_miscdev~0.base, 4 + ~#zf_miscdev~0.offset, 4);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, 8 + ~#zf_miscdev~0.offset, 4);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46, 0;call #Ultimate.allocInit(12, 46);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4);call write~init~$Pointer$(0, 0, ~#zf_notifier~0.base, 4 + ~#zf_notifier~0.offset, 4);call write~init~int(0, ~#zf_notifier~0.base, 8 + ~#zf_notifier~0.offset, 4);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47, 0;call #Ultimate.allocInit(16, 47);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4);call write~init~$Pointer$(0, 0, ~#fixed_cdev~0.base, 4 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 8 + ~#fixed_cdev~0.offset, 4);call write~init~int(0, ~#fixed_cdev~0.base, 12 + ~#fixed_cdev~0.offset, 4);~fixed_cdev_used~0 := 0;~number_cdev_registered~0 := 0;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48, 0;call #Ultimate.allocInit(64, 48);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0;~number_fixed_genhd_used~0 := 0;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49, 0;call #Ultimate.allocInit(1280, 49);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50, 0;call #Ultimate.allocInit(1460, 50);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51, 0;call #Ultimate.allocInit(236, 51);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52, 0;call #Ultimate.allocInit(128, 52);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53, 0;call #Ultimate.allocInit(6, 53);call write~init~$Pointer$(0, 0, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4);call write~init~int(0, ~#tasklet_registered~0.base, 4 + ~#tasklet_registered~0.offset, 2);~number_timer_registered~0 := 0;~#timer_registered~0.base, ~#timer_registered~0.offset := 54, 0;call #Ultimate.allocInit(4, 54);call write~init~$Pointer$(0, 0, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55, 0;call #Ultimate.allocInit(40, 55);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56, 0;call #Ultimate.allocInit(8, 56);call write~init~int(0, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4);call write~init~int(0, ~#kernel_lock~0.base, 4 + ~#kernel_lock~0.offset, 4);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57, 0;call #Ultimate.allocInit(460, 57);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0, 0;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58, 0;call #Ultimate.allocInit(200, 58);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0;~ddv_ioport_request_len~0 := 0; {7112#true} is VALID [2022-02-20 16:50:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:50:52,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478948316] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:50:52,546 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:50:52,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-02-20 16:50:52,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566555092] [2022-02-20 16:50:52,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:50:52,547 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-02-20 16:50:52,549 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:50:52,550 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:52,596 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:52,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-20 16:50:52,597 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:50:52,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-20 16:50:52,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-02-20 16:50:52,598 INFO L87 Difference]: Start difference. First operand 356 states and 488 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:56,770 INFO L93 Difference]: Finished difference Result 720 states and 990 transitions. [2022-02-20 16:50:56,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 16:50:56,771 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-02-20 16:50:56,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:50:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 989 transitions. [2022-02-20 16:50:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 989 transitions. [2022-02-20 16:50:56,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 989 transitions. [2022-02-20 16:50:57,667 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 989 edges. 989 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:50:57,679 INFO L225 Difference]: With dead ends: 720 [2022-02-20 16:50:57,679 INFO L226 Difference]: Without dead ends: 377 [2022-02-20 16:50:57,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-02-20 16:50:57,682 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 595 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:50:57,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [640 Valid, 1530 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-02-20 16:50:57,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-02-20 16:50:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 368. [2022-02-20 16:50:57,726 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:50:57,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 377 states. Second operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:57,728 INFO L74 IsIncluded]: Start isIncluded. First operand 377 states. Second operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:57,729 INFO L87 Difference]: Start difference. First operand 377 states. Second operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:57,741 INFO L93 Difference]: Finished difference Result 377 states and 511 transitions. [2022-02-20 16:50:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 511 transitions. [2022-02-20 16:50:57,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:57,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:57,744 INFO L74 IsIncluded]: Start isIncluded. First operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 377 states. [2022-02-20 16:50:57,745 INFO L87 Difference]: Start difference. First operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 377 states. [2022-02-20 16:50:57,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:50:57,758 INFO L93 Difference]: Finished difference Result 377 states and 511 transitions. [2022-02-20 16:50:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 511 transitions. [2022-02-20 16:50:57,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:50:57,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:50:57,760 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:50:57,760 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:50:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 261 states have (on average 1.314176245210728) internal successors, (343), 267 states have internal predecessors, (343), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:50:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 500 transitions. [2022-02-20 16:50:57,775 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 500 transitions. Word has length 34 [2022-02-20 16:50:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:50:57,777 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 500 transitions. [2022-02-20 16:50:57,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:50:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 500 transitions. [2022-02-20 16:50:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-20 16:50:57,779 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:50:57,780 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:50:57,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:50:57,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-20 16:50:57,996 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:50:57,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:50:57,997 INFO L85 PathProgramCache]: Analyzing trace with hash -569248756, now seen corresponding path program 3 times [2022-02-20 16:50:57,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:50:57,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362624218] [2022-02-20 16:50:57,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:50:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:50:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:50:58,204 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:50:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:50:58,334 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:50:58,335 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:50:58,336 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:50:58,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 16:50:58,340 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-02-20 16:50:58,342 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:50:58,410 FATAL L489 DefaultTranslator]: Callstack has procedure call flag but succeeding procedure is empty at [CALL] call spin_lock_init(~#kernel_lock~0); [2022-02-20 16:50:58,411 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: callstack broken after backtranslation by InlinerBacktranslator at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:607) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) 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) [2022-02-20 16:50:58,417 INFO L158 Benchmark]: Toolchain (without parser) took 25802.14ms. Allocated memory was 121.6MB in the beginning and 272.6MB in the end (delta: 151.0MB). Free memory was 83.2MB in the beginning and 91.0MB in the end (delta: -7.8MB). Peak memory consumption was 142.4MB. Max. memory is 16.1GB. [2022-02-20 16:50:58,417 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:50:58,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1791.01ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 83.2MB in the beginning and 72.2MB in the end (delta: 11.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-02-20 16:50:58,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.46ms. Allocated memory is still 148.9MB. Free memory was 72.2MB in the beginning and 60.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:50:58,418 INFO L158 Benchmark]: Boogie Preprocessor took 140.54ms. Allocated memory is still 148.9MB. Free memory was 60.5MB in the beginning and 101.0MB in the end (delta: -40.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 16:50:58,418 INFO L158 Benchmark]: RCFGBuilder took 2678.91ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 101.0MB in the beginning and 63.0MB in the end (delta: 38.0MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2022-02-20 16:50:58,418 INFO L158 Benchmark]: TraceAbstraction took 21023.21ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 61.9MB in the beginning and 91.0MB in the end (delta: -29.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2022-02-20 16:50:58,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1791.01ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 83.2MB in the beginning and 72.2MB in the end (delta: 11.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.46ms. Allocated memory is still 148.9MB. Free memory was 72.2MB in the beginning and 60.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.54ms. Allocated memory is still 148.9MB. Free memory was 60.5MB in the beginning and 101.0MB in the end (delta: -40.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2678.91ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 101.0MB in the beginning and 63.0MB in the end (delta: 38.0MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21023.21ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 61.9MB in the beginning and 91.0MB in the end (delta: -29.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: callstack broken after backtranslation by InlinerBacktranslator: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 16:50:58,459 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 -ea -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/ddv-machzwd/ddv_machzwd_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:51:00,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:51:00,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:51:00,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:51:00,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:51:00,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:51:00,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:51:00,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:51:00,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:51:00,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:51:00,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:51:00,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:51:00,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:51:00,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:51:00,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:51:00,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:51:00,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:51:00,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:51:00,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:51:00,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:51:00,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:51:00,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:51:00,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:51:00,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:51:00,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:51:00,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:51:00,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:51:00,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:51:00,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:51:00,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:51:00,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:51:00,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:51:00,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:51:00,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:51:00,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:51:00,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:51:00,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:51:00,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:51:00,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:51:00,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:51:00,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:51:00,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:51:00,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:51:00,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:51:00,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:51:00,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:51:00,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:51:00,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:51:00,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:51:00,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:51:00,497 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:51:00,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:51:00,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:51:00,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:51:00,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:51:00,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:51:00,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:51:00,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:51:00,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:51:00,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:51:00,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:51:00,499 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:51:00,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:51:00,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:51:00,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:51:00,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:51:00,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:51:00,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:51:00,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:51:00,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:51:00,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:51:00,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:51:00,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:51:00,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:51:00,509 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:51:00,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:51:00,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:51:00,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:51:00,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2022-02-20 16:51:00,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:51:00,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:51:00,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:51:00,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:51:00,862 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:51:00,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-02-20 16:51:00,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681be0b8a/0aa4b734f9854d788d2d8919ea765bb1/FLAG971422a25 [2022-02-20 16:51:01,590 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:51:01,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2022-02-20 16:51:01,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681be0b8a/0aa4b734f9854d788d2d8919ea765bb1/FLAG971422a25 [2022-02-20 16:51:01,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681be0b8a/0aa4b734f9854d788d2d8919ea765bb1 [2022-02-20 16:51:01,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:51:01,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:51:01,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:51:01,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:51:01,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:51:01,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:51:01" (1/1) ... [2022-02-20 16:51:01,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@896edf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:01, skipping insertion in model container [2022-02-20 16:51:01,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:51:01" (1/1) ... [2022-02-20 16:51:01,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:51:02,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:51:02,225 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-02-20 16:51:03,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:51:03,485 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-02-20 16:51:03,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:51:03,502 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-02-20 16:51:03,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:51:03,724 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:51:03,734 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-02-20 16:51:03,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:51:04,083 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:51:04,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04 WrapperNode [2022-02-20 16:51:04,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:51:04,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:51:04,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:51:04,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:51:04,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,275 INFO L137 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 984 [2022-02-20 16:51:04,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:51:04,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:51:04,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:51:04,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:51:04,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:51:04,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:51:04,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:51:04,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:51:04,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (1/1) ... [2022-02-20 16:51:04,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:51:04,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:51:04,441 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) [2022-02-20 16:51:04,471 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 [2022-02-20 16:51:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-02-20 16:51:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-02-20 16:51:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-02-20 16:51:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-02-20 16:51:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 16:51:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-02-20 16:51:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 16:51:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 16:51:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:51:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-02-20 16:51:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:51:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-02-20 16:51:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 16:51:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 16:51:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 16:51:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-02-20 16:51:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-02-20 16:51:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-02-20 16:51:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-20 16:51:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-20 16:51:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-02-20 16:51:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-02-20 16:51:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:51:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-02-20 16:51:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-02-20 16:51:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:51:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:51:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:51:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:51:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-02-20 16:51:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-02-20 16:51:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-02-20 16:51:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-02-20 16:51:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:51:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:51:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-02-20 16:51:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-02-20 16:51:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-02-20 16:51:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:51:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-02-20 16:51:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 16:51:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 16:51:04,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 16:51:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-02-20 16:51:04,492 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-02-20 16:51:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:51:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:51:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 16:51:04,494 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 16:51:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-02-20 16:51:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-02-20 16:51:04,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-02-20 16:51:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-02-20 16:51:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-02-20 16:51:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:51:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 16:51:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-02-20 16:51:04,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-02-20 16:51:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-02-20 16:51:04,496 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-02-20 16:51:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-02-20 16:51:04,497 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-02-20 16:51:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-02-20 16:51:04,497 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-02-20 16:51:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-02-20 16:51:04,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-02-20 16:51:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-02-20 16:51:04,498 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-02-20 16:51:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-02-20 16:51:04,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-02-20 16:51:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-02-20 16:51:04,498 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-02-20 16:51:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-02-20 16:51:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-02-20 16:51:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-02-20 16:51:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 16:51:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 16:51:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-02-20 16:51:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-02-20 16:51:04,891 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:51:04,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:51:09,883 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:51:09,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:51:09,898 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 16:51:09,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:51:09 BoogieIcfgContainer [2022-02-20 16:51:09,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:51:09,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:51:09,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:51:09,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:51:09,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:51:01" (1/3) ... [2022-02-20 16:51:09,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a3753d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:51:09, skipping insertion in model container [2022-02-20 16:51:09,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:51:04" (2/3) ... [2022-02-20 16:51:09,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a3753d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:51:09, skipping insertion in model container [2022-02-20 16:51:09,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:51:09" (3/3) ... [2022-02-20 16:51:09,911 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2022-02-20 16:51:09,916 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:51:09,916 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:51:09,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:51:09,970 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 [2022-02-20 16:51:09,970 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:51:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-02-20 16:51:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 16:51:10,007 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:51:10,008 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, 1, 1] [2022-02-20 16:51:10,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:51:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:51:10,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1903060071, now seen corresponding path program 1 times [2022-02-20 16:51:10,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:51:10,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321022731] [2022-02-20 16:51:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:51:10,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:51:10,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:51:10,032 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) [2022-02-20 16:51:10,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:51:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:51:10,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-20 16:51:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:51:10,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:51:10,588 INFO L290 TraceCheckUtils]: 0: Hoare triple {361#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(18bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);call #Ultimate.allocInit(34bv32, 4bv32);call #Ultimate.allocInit(44bv32, 5bv32);call #Ultimate.allocInit(31bv32, 6bv32);call #Ultimate.allocInit(4bv32, 7bv32);call write~init~intINTTYPE1(71bv8, 7bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 7bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 7bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 7bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 8bv32);call #Ultimate.allocInit(18bv32, 9bv32);call #Ultimate.allocInit(73bv32, 10bv32);call #Ultimate.allocInit(44bv32, 11bv32);call #Ultimate.allocInit(43bv32, 12bv32);call #Ultimate.allocInit(39bv32, 13bv32);call #Ultimate.allocInit(69bv32, 14bv32);call #Ultimate.allocInit(9bv32, 15bv32);call #Ultimate.allocInit(6bv32, 16bv32);call write~init~intINTTYPE1(82bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 16bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 16bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(83bv8, 17bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 17bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 17bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 17bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 18bv32);call write~init~intINTTYPE1(78bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 19bv32);call write~init~intINTTYPE1(83bv8, 19bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 19bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 19bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 19bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 20bv32);call #Ultimate.allocInit(58bv32, 21bv32);call #Ultimate.allocInit(31bv32, 22bv32);call #Ultimate.allocInit(36bv32, 23bv32);call #Ultimate.allocInit(14bv32, 24bv32);call #Ultimate.allocInit(35bv32, 25bv32);call #Ultimate.allocInit(44bv32, 26bv32);call #Ultimate.allocInit(22bv32, 27bv32);call #Ultimate.allocInit(22bv32, 28bv32);call #Ultimate.allocInit(22bv32, 29bv32);call #Ultimate.allocInit(22bv32, 30bv32);call #Ultimate.allocInit(22bv32, 31bv32);call #Ultimate.allocInit(22bv32, 32bv32);call #Ultimate.allocInit(22bv32, 33bv32);call #Ultimate.allocInit(22bv32, 34bv32);call #Ultimate.allocInit(22bv32, 35bv32);call #Ultimate.allocInit(22bv32, 36bv32);call #Ultimate.allocInit(22bv32, 37bv32);call #Ultimate.allocInit(22bv32, 38bv32);~current_execution_context~0 := 0bv32;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0bv32, 0bv32;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0bv32, 0bv32;~jiffies~0 := 0bv32;~_ddv_module_author~0 := ~const~array~~LB~bv32~RB~bv8();~_ddv_module_description~0 := ~const~array~~LB~bv32~RB~bv8();~_ddv_module_license~0 := ~_ddv_module_license~0[0bv32 := 71bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[1bv32 := 80bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[2bv32 := 76bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[3bv32 := 0bv8];~nowayout~0 := 0bv32;~_ddv_module_param_nowayout~0 := ~const~array~~LB~bv32~RB~bv8();~#zf_info~0.base, ~#zf_info~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(40bv32, 39bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~intINTTYPE4(33024bv32, ~#zf_info~0.base, ~#zf_info~0.offset, 4bv32);call write~unchecked~intINTTYPE4(1bv32, ~#zf_info~0.base, ~bvadd32(4bv32, ~#zf_info~0.offset), 4bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(8bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(9bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(10bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(11bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(12bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(13bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(14bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(15bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(16bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(17bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(18bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(19bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(20bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(21bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(22bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(23bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(24bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(25bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(26bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(27bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(28bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(29bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(30bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(31bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(32bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(33bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(34bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(35bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(36bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(37bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(38bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(39bv32, ~#zf_info~0.offset), 1bv32);~action~0 := 0bv32;~_ddv_module_param_action~0 := ~const~array~~LB~bv32~RB~bv8();~zf_action~0 := 2048bv32;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40bv32, 0bv32;call #Ultimate.allocInit(4bv32, 40bv32);call write~init~intINTTYPE4(0bv32, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4bv32);~zf_expect_close~0 := 0bv8;~#zf_lock~0.base, ~#zf_lock~0.offset := 41bv32, 0bv32;call #Ultimate.allocInit(8bv32, 41bv32);call write~init~intINTTYPE4(0bv32, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_lock~0.base, ~bvadd32(4bv32, ~#zf_lock~0.offset), 4bv32);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42bv32, 0bv32;call #Ultimate.allocInit(8bv32, 42bv32);call write~init~intINTTYPE4(0bv32, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_port_lock~0.base, ~bvadd32(4bv32, ~#zf_port_lock~0.offset), 4bv32);~#zf_timer~0.base, ~#zf_timer~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(16bv32, 43bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_timer~0.base, ~bvadd32(4bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~bvadd32(8bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(12bv32, ~#zf_timer~0.offset), 2bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(14bv32, ~#zf_timer~0.offset), 2bv32);~next_heartbeat~0 := 0bv32;~#zf_fops~0.base, ~#zf_fops~0.offset := 44bv32, 0bv32;call #Ultimate.allocInit(100bv32, 44bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0bv32, 0bv32, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4bv32);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, ~bvadd32(4bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, ~bvadd32(12bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, ~bvadd32(24bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, ~bvadd32(40bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, ~bvadd32(48bv32, ~#zf_fops~0.offset), 4bv32);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45bv32, 0bv32;call #Ultimate.allocInit(12bv32, 45bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(15bv32, 0bv32, ~#zf_miscdev~0.base, ~bvadd32(4bv32, ~#zf_miscdev~0.offset), 4bv32);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, ~bvadd32(8bv32, ~#zf_miscdev~0.offset), 4bv32);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46bv32, 0bv32;call #Ultimate.allocInit(12bv32, 46bv32);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_notifier~0.base, ~bvadd32(4bv32, ~#zf_notifier~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_notifier~0.base, ~bvadd32(8bv32, ~#zf_notifier~0.offset), 4bv32);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47bv32, 0bv32;call #Ultimate.allocInit(16bv32, 47bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~bvadd32(4bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(8bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(12bv32, ~#fixed_cdev~0.offset), 4bv32);~fixed_cdev_used~0 := 0bv32;~number_cdev_registered~0 := 0bv16;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48bv32, 0bv32;call #Ultimate.allocInit(64bv32, 48bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 49bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 50bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51bv32, 0bv32;call #Ultimate.allocInit(236bv32, 51bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52bv32, 0bv32;call #Ultimate.allocInit(128bv32, 52bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0bv16;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53bv32, 0bv32;call #Ultimate.allocInit(6bv32, 53bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4bv32);call write~init~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~#tasklet_registered~0.offset), 2bv32);~number_timer_registered~0 := 0bv16;~#timer_registered~0.base, ~#timer_registered~0.offset := 54bv32, 0bv32;call #Ultimate.allocInit(4bv32, 54bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55bv32, 0bv32;call #Ultimate.allocInit(40bv32, 55bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56bv32, 0bv32;call #Ultimate.allocInit(8bv32, 56bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~bvadd32(4bv32, ~#kernel_lock~0.offset), 4bv32);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57bv32, 0bv32;call #Ultimate.allocInit(460bv32, 57bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0bv32;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0bv32, 0bv32;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58bv32, 0bv32;call #Ultimate.allocInit(200bv32, 58bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0bv32;~ddv_ioport_request_len~0 := 0bv32; {361#true} is VALID [2022-02-20 16:51:10,589 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1bv32;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {361#true} is VALID [2022-02-20 16:51:10,589 INFO L272 TraceCheckUtils]: 2: Hoare triple {361#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {361#true} is VALID [2022-02-20 16:51:10,590 INFO L290 TraceCheckUtils]: 3: Hoare triple {361#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32);call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); {361#true} is VALID [2022-02-20 16:51:10,590 INFO L290 TraceCheckUtils]: 4: Hoare triple {361#true} assume true; {361#true} is VALID [2022-02-20 16:51:10,590 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {361#true} {361#true} #871#return; {361#true} is VALID [2022-02-20 16:51:10,603 INFO L290 TraceCheckUtils]: 6: Hoare triple {361#true} init_kernel_~i~1#1 := 0bv32; {384#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32))} is VALID [2022-02-20 16:51:10,604 INFO L290 TraceCheckUtils]: 7: Hoare triple {384#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32))} assume !~bvslt32(init_kernel_~i~1#1, 10bv32); {362#false} is VALID [2022-02-20 16:51:10,604 INFO L290 TraceCheckUtils]: 8: Hoare triple {362#false} init_kernel_~i~1#1 := 0bv32; {362#false} is VALID [2022-02-20 16:51:10,604 INFO L290 TraceCheckUtils]: 9: Hoare triple {362#false} assume !~bvslt32(init_kernel_~i~1#1, 1bv32); {362#false} is VALID [2022-02-20 16:51:10,604 INFO L290 TraceCheckUtils]: 10: Hoare triple {362#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~C_INT } true;##fun~~TO~C_INT_#in~#fp#1.base, ##fun~~TO~C_INT_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~C_INT_#res#1;havoc ##fun~~TO~C_INT_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {362#false} is VALID [2022-02-20 16:51:10,605 INFO L272 TraceCheckUtils]: 11: Hoare triple {362#false} call zf_init_#t~ret219#1 := printk(21bv32, 0bv32); {362#false} is VALID [2022-02-20 16:51:10,605 INFO L290 TraceCheckUtils]: 12: Hoare triple {362#false} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0bv32; {362#false} is VALID [2022-02-20 16:51:10,605 INFO L290 TraceCheckUtils]: 13: Hoare triple {362#false} assume true; {362#false} is VALID [2022-02-20 16:51:10,605 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {362#false} {362#false} #873#return; {362#false} is VALID [2022-02-20 16:51:10,605 INFO L290 TraceCheckUtils]: 15: Hoare triple {362#false} havoc zf_init_#t~ret219#1; {362#false} is VALID [2022-02-20 16:51:10,606 INFO L272 TraceCheckUtils]: 16: Hoare triple {362#false} call zf_init_#t~ret220#1 := zf_readw(2bv8); {362#false} is VALID [2022-02-20 16:51:10,606 INFO L290 TraceCheckUtils]: 17: Hoare triple {362#false} ~port#1 := #in~port#1; {362#false} is VALID [2022-02-20 16:51:10,606 INFO L272 TraceCheckUtils]: 18: Hoare triple {362#false} call outb(~port#1, 536bv32); {362#false} is VALID [2022-02-20 16:51:10,606 INFO L290 TraceCheckUtils]: 19: Hoare triple {362#false} ~byte := #in~byte;~port := #in~port; {362#false} is VALID [2022-02-20 16:51:10,606 INFO L272 TraceCheckUtils]: 20: Hoare triple {362#false} call __VERIFIER_assert((if ~bvuge32(~port, ~ddv_ioport_request_start~0) && ~bvult32(~port, ~bvadd32(~ddv_ioport_request_start~0, ~ddv_ioport_request_len~0)) then 1bv32 else 0bv32), 28bv32, 0bv32); {362#false} is VALID [2022-02-20 16:51:10,607 INFO L290 TraceCheckUtils]: 21: Hoare triple {362#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {362#false} is VALID [2022-02-20 16:51:10,607 INFO L290 TraceCheckUtils]: 22: Hoare triple {362#false} assume 0bv32 == ~expression; {362#false} is VALID [2022-02-20 16:51:10,607 INFO L290 TraceCheckUtils]: 23: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-02-20 16:51:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:51:10,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:51:10,608 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:51:10,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321022731] [2022-02-20 16:51:10,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321022731] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:51:10,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:51:10,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:51:10,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990156044] [2022-02-20 16:51:10,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:51:10,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-20 16:51:10,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:51:10,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:51:10,697 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:51:10,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:51:10,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:51:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:51:10,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:51:10,729 INFO L87 Difference]: Start difference. First operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:51:17,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:51:17,463 INFO L93 Difference]: Finished difference Result 714 states and 1041 transitions. [2022-02-20 16:51:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:51:17,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-02-20 16:51:17,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:51:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:51:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2022-02-20 16:51:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:51:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2022-02-20 16:51:17,561 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1041 transitions. [2022-02-20 16:51:18,713 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1041 edges. 1041 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:51:18,742 INFO L225 Difference]: With dead ends: 714 [2022-02-20 16:51:18,742 INFO L226 Difference]: Without dead ends: 352 [2022-02-20 16:51:18,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:51:18,750 INFO L933 BasicCegarLoop]: 489 mSDtfsCounter, 2 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:51:18,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 973 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:51:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-02-20 16:51:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 350. [2022-02-20 16:51:18,794 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:51:18,797 INFO L82 GeneralOperation]: Start isEquivalent. First operand 352 states. Second operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:51:18,799 INFO L74 IsIncluded]: Start isIncluded. First operand 352 states. Second operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:51:18,800 INFO L87 Difference]: Start difference. First operand 352 states. Second operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:51:18,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:51:18,821 INFO L93 Difference]: Finished difference Result 352 states and 484 transitions. [2022-02-20 16:51:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 484 transitions. [2022-02-20 16:51:18,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:51:18,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:51:18,827 INFO L74 IsIncluded]: Start isIncluded. First operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 352 states. [2022-02-20 16:51:18,829 INFO L87 Difference]: Start difference. First operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand 352 states. [2022-02-20 16:51:18,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:51:18,848 INFO L93 Difference]: Finished difference Result 352 states and 484 transitions. [2022-02-20 16:51:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 484 transitions. [2022-02-20 16:51:18,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:51:18,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:51:18,850 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:51:18,850 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:51:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 243 states have (on average 1.337448559670782) internal successors, (325), 249 states have internal predecessors, (325), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-02-20 16:51:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 482 transitions. [2022-02-20 16:51:18,870 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 482 transitions. Word has length 24 [2022-02-20 16:51:18,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:51:18,871 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 482 transitions. [2022-02-20 16:51:18,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:51:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2022-02-20 16:51:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 16:51:18,872 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:51:18,872 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, 1, 1, 1, 1, 1, 1] [2022-02-20 16:51:18,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-02-20 16:51:19,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:51:19,086 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:51:19,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:51:19,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1301561131, now seen corresponding path program 1 times [2022-02-20 16:51:19,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:51:19,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588432181] [2022-02-20 16:51:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:51:19,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:51:19,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:51:19,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:51:19,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:51:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:51:19,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 16:51:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:51:19,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:51:19,600 INFO L290 TraceCheckUtils]: 0: Hoare triple {2610#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(18bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);call #Ultimate.allocInit(34bv32, 4bv32);call #Ultimate.allocInit(44bv32, 5bv32);call #Ultimate.allocInit(31bv32, 6bv32);call #Ultimate.allocInit(4bv32, 7bv32);call write~init~intINTTYPE1(71bv8, 7bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 7bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 7bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 7bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 8bv32);call #Ultimate.allocInit(18bv32, 9bv32);call #Ultimate.allocInit(73bv32, 10bv32);call #Ultimate.allocInit(44bv32, 11bv32);call #Ultimate.allocInit(43bv32, 12bv32);call #Ultimate.allocInit(39bv32, 13bv32);call #Ultimate.allocInit(69bv32, 14bv32);call #Ultimate.allocInit(9bv32, 15bv32);call #Ultimate.allocInit(6bv32, 16bv32);call write~init~intINTTYPE1(82bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 16bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 16bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(83bv8, 17bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 17bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 17bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 17bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 18bv32);call write~init~intINTTYPE1(78bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 19bv32);call write~init~intINTTYPE1(83bv8, 19bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 19bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 19bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 19bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 20bv32);call #Ultimate.allocInit(58bv32, 21bv32);call #Ultimate.allocInit(31bv32, 22bv32);call #Ultimate.allocInit(36bv32, 23bv32);call #Ultimate.allocInit(14bv32, 24bv32);call #Ultimate.allocInit(35bv32, 25bv32);call #Ultimate.allocInit(44bv32, 26bv32);call #Ultimate.allocInit(22bv32, 27bv32);call #Ultimate.allocInit(22bv32, 28bv32);call #Ultimate.allocInit(22bv32, 29bv32);call #Ultimate.allocInit(22bv32, 30bv32);call #Ultimate.allocInit(22bv32, 31bv32);call #Ultimate.allocInit(22bv32, 32bv32);call #Ultimate.allocInit(22bv32, 33bv32);call #Ultimate.allocInit(22bv32, 34bv32);call #Ultimate.allocInit(22bv32, 35bv32);call #Ultimate.allocInit(22bv32, 36bv32);call #Ultimate.allocInit(22bv32, 37bv32);call #Ultimate.allocInit(22bv32, 38bv32);~current_execution_context~0 := 0bv32;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0bv32, 0bv32;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0bv32, 0bv32;~jiffies~0 := 0bv32;~_ddv_module_author~0 := ~const~array~~LB~bv32~RB~bv8();~_ddv_module_description~0 := ~const~array~~LB~bv32~RB~bv8();~_ddv_module_license~0 := ~_ddv_module_license~0[0bv32 := 71bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[1bv32 := 80bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[2bv32 := 76bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[3bv32 := 0bv8];~nowayout~0 := 0bv32;~_ddv_module_param_nowayout~0 := ~const~array~~LB~bv32~RB~bv8();~#zf_info~0.base, ~#zf_info~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(40bv32, 39bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~intINTTYPE4(33024bv32, ~#zf_info~0.base, ~#zf_info~0.offset, 4bv32);call write~unchecked~intINTTYPE4(1bv32, ~#zf_info~0.base, ~bvadd32(4bv32, ~#zf_info~0.offset), 4bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(8bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(9bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(10bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(11bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(12bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(13bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(14bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(15bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(16bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(17bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(18bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(19bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(20bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(21bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(22bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(23bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(24bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(25bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(26bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(27bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(28bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(29bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(30bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(31bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(32bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(33bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(34bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(35bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(36bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(37bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(38bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(39bv32, ~#zf_info~0.offset), 1bv32);~action~0 := 0bv32;~_ddv_module_param_action~0 := ~const~array~~LB~bv32~RB~bv8();~zf_action~0 := 2048bv32;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40bv32, 0bv32;call #Ultimate.allocInit(4bv32, 40bv32);call write~init~intINTTYPE4(0bv32, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4bv32);~zf_expect_close~0 := 0bv8;~#zf_lock~0.base, ~#zf_lock~0.offset := 41bv32, 0bv32;call #Ultimate.allocInit(8bv32, 41bv32);call write~init~intINTTYPE4(0bv32, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_lock~0.base, ~bvadd32(4bv32, ~#zf_lock~0.offset), 4bv32);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42bv32, 0bv32;call #Ultimate.allocInit(8bv32, 42bv32);call write~init~intINTTYPE4(0bv32, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_port_lock~0.base, ~bvadd32(4bv32, ~#zf_port_lock~0.offset), 4bv32);~#zf_timer~0.base, ~#zf_timer~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(16bv32, 43bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_timer~0.base, ~bvadd32(4bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~bvadd32(8bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(12bv32, ~#zf_timer~0.offset), 2bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(14bv32, ~#zf_timer~0.offset), 2bv32);~next_heartbeat~0 := 0bv32;~#zf_fops~0.base, ~#zf_fops~0.offset := 44bv32, 0bv32;call #Ultimate.allocInit(100bv32, 44bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0bv32, 0bv32, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4bv32);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, ~bvadd32(4bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, ~bvadd32(12bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, ~bvadd32(24bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, ~bvadd32(40bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, ~bvadd32(48bv32, ~#zf_fops~0.offset), 4bv32);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45bv32, 0bv32;call #Ultimate.allocInit(12bv32, 45bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(15bv32, 0bv32, ~#zf_miscdev~0.base, ~bvadd32(4bv32, ~#zf_miscdev~0.offset), 4bv32);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, ~bvadd32(8bv32, ~#zf_miscdev~0.offset), 4bv32);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46bv32, 0bv32;call #Ultimate.allocInit(12bv32, 46bv32);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_notifier~0.base, ~bvadd32(4bv32, ~#zf_notifier~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_notifier~0.base, ~bvadd32(8bv32, ~#zf_notifier~0.offset), 4bv32);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47bv32, 0bv32;call #Ultimate.allocInit(16bv32, 47bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~bvadd32(4bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(8bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(12bv32, ~#fixed_cdev~0.offset), 4bv32);~fixed_cdev_used~0 := 0bv32;~number_cdev_registered~0 := 0bv16;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48bv32, 0bv32;call #Ultimate.allocInit(64bv32, 48bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 49bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 50bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51bv32, 0bv32;call #Ultimate.allocInit(236bv32, 51bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52bv32, 0bv32;call #Ultimate.allocInit(128bv32, 52bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0bv16;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53bv32, 0bv32;call #Ultimate.allocInit(6bv32, 53bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4bv32);call write~init~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~#tasklet_registered~0.offset), 2bv32);~number_timer_registered~0 := 0bv16;~#timer_registered~0.base, ~#timer_registered~0.offset := 54bv32, 0bv32;call #Ultimate.allocInit(4bv32, 54bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55bv32, 0bv32;call #Ultimate.allocInit(40bv32, 55bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56bv32, 0bv32;call #Ultimate.allocInit(8bv32, 56bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~bvadd32(4bv32, ~#kernel_lock~0.offset), 4bv32);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57bv32, 0bv32;call #Ultimate.allocInit(460bv32, 57bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0bv32;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0bv32, 0bv32;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58bv32, 0bv32;call #Ultimate.allocInit(200bv32, 58bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0bv32;~ddv_ioport_request_len~0 := 0bv32; {2610#true} is VALID [2022-02-20 16:51:19,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {2610#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1bv32;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {2610#true} is VALID [2022-02-20 16:51:19,601 INFO L272 TraceCheckUtils]: 2: Hoare triple {2610#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {2610#true} is VALID [2022-02-20 16:51:19,601 INFO L290 TraceCheckUtils]: 3: Hoare triple {2610#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32);call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); {2610#true} is VALID [2022-02-20 16:51:19,601 INFO L290 TraceCheckUtils]: 4: Hoare triple {2610#true} assume true; {2610#true} is VALID [2022-02-20 16:51:19,601 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2610#true} {2610#true} #871#return; {2610#true} is VALID [2022-02-20 16:51:19,602 INFO L290 TraceCheckUtils]: 6: Hoare triple {2610#true} init_kernel_~i~1#1 := 0bv32; {2633#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32))} is VALID [2022-02-20 16:51:19,602 INFO L290 TraceCheckUtils]: 7: Hoare triple {2633#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32);call write~$Pointer$(0bv32, 0bv32, ~#shared_workqueue~0.base, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), 4bv32); {2633#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32))} is VALID [2022-02-20 16:51:19,603 INFO L290 TraceCheckUtils]: 8: Hoare triple {2633#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv0 32))} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := ~bvadd32(1bv32, init_kernel_#t~post300#1);havoc init_kernel_#t~post300#1; {2640#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32))} is VALID [2022-02-20 16:51:19,603 INFO L290 TraceCheckUtils]: 9: Hoare triple {2640#(= |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32))} assume !~bvslt32(init_kernel_~i~1#1, 10bv32); {2611#false} is VALID [2022-02-20 16:51:19,604 INFO L290 TraceCheckUtils]: 10: Hoare triple {2611#false} init_kernel_~i~1#1 := 0bv32; {2611#false} is VALID [2022-02-20 16:51:19,604 INFO L290 TraceCheckUtils]: 11: Hoare triple {2611#false} assume !!~bvslt32(init_kernel_~i~1#1, 1bv32);call write~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~bvadd32(~#tasklet_registered~0.offset, ~bvmul32(6bv32, init_kernel_~i~1#1)), 4bv32);call write~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~bvadd32(~#tasklet_registered~0.offset, ~bvmul32(6bv32, init_kernel_~i~1#1))), 2bv32); {2611#false} is VALID [2022-02-20 16:51:19,604 INFO L290 TraceCheckUtils]: 12: Hoare triple {2611#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := ~bvadd32(1bv32, init_kernel_#t~post301#1);havoc init_kernel_#t~post301#1; {2611#false} is VALID [2022-02-20 16:51:19,604 INFO L290 TraceCheckUtils]: 13: Hoare triple {2611#false} assume !~bvslt32(init_kernel_~i~1#1, 1bv32); {2611#false} is VALID [2022-02-20 16:51:19,604 INFO L290 TraceCheckUtils]: 14: Hoare triple {2611#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~C_INT } true;##fun~~TO~C_INT_#in~#fp#1.base, ##fun~~TO~C_INT_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~C_INT_#res#1;havoc ##fun~~TO~C_INT_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {2611#false} is VALID [2022-02-20 16:51:19,605 INFO L272 TraceCheckUtils]: 15: Hoare triple {2611#false} call zf_init_#t~ret219#1 := printk(21bv32, 0bv32); {2611#false} is VALID [2022-02-20 16:51:19,605 INFO L290 TraceCheckUtils]: 16: Hoare triple {2611#false} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0bv32; {2611#false} is VALID [2022-02-20 16:51:19,605 INFO L290 TraceCheckUtils]: 17: Hoare triple {2611#false} assume true; {2611#false} is VALID [2022-02-20 16:51:19,605 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2611#false} {2611#false} #873#return; {2611#false} is VALID [2022-02-20 16:51:19,605 INFO L290 TraceCheckUtils]: 19: Hoare triple {2611#false} havoc zf_init_#t~ret219#1; {2611#false} is VALID [2022-02-20 16:51:19,605 INFO L272 TraceCheckUtils]: 20: Hoare triple {2611#false} call zf_init_#t~ret220#1 := zf_readw(2bv8); {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L290 TraceCheckUtils]: 21: Hoare triple {2611#false} ~port#1 := #in~port#1; {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L272 TraceCheckUtils]: 22: Hoare triple {2611#false} call outb(~port#1, 536bv32); {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L290 TraceCheckUtils]: 23: Hoare triple {2611#false} ~byte := #in~byte;~port := #in~port; {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L272 TraceCheckUtils]: 24: Hoare triple {2611#false} call __VERIFIER_assert((if ~bvuge32(~port, ~ddv_ioport_request_start~0) && ~bvult32(~port, ~bvadd32(~ddv_ioport_request_start~0, ~ddv_ioport_request_len~0)) then 1bv32 else 0bv32), 28bv32, 0bv32); {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L290 TraceCheckUtils]: 25: Hoare triple {2611#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L290 TraceCheckUtils]: 26: Hoare triple {2611#false} assume 0bv32 == ~expression; {2611#false} is VALID [2022-02-20 16:51:19,606 INFO L290 TraceCheckUtils]: 27: Hoare triple {2611#false} assume !false; {2611#false} is VALID [2022-02-20 16:51:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:51:19,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:51:19,716 INFO L290 TraceCheckUtils]: 27: Hoare triple {2611#false} assume !false; {2611#false} is VALID [2022-02-20 16:51:19,716 INFO L290 TraceCheckUtils]: 26: Hoare triple {2611#false} assume 0bv32 == ~expression; {2611#false} is VALID [2022-02-20 16:51:19,716 INFO L290 TraceCheckUtils]: 25: Hoare triple {2611#false} ~expression := #in~expression;~x.base, ~x.offset := #in~x.base, #in~x.offset; {2611#false} is VALID [2022-02-20 16:51:19,717 INFO L272 TraceCheckUtils]: 24: Hoare triple {2611#false} call __VERIFIER_assert((if ~bvuge32(~port, ~ddv_ioport_request_start~0) && ~bvult32(~port, ~bvadd32(~ddv_ioport_request_start~0, ~ddv_ioport_request_len~0)) then 1bv32 else 0bv32), 28bv32, 0bv32); {2611#false} is VALID [2022-02-20 16:51:19,717 INFO L290 TraceCheckUtils]: 23: Hoare triple {2611#false} ~byte := #in~byte;~port := #in~port; {2611#false} is VALID [2022-02-20 16:51:19,717 INFO L272 TraceCheckUtils]: 22: Hoare triple {2611#false} call outb(~port#1, 536bv32); {2611#false} is VALID [2022-02-20 16:51:19,717 INFO L290 TraceCheckUtils]: 21: Hoare triple {2611#false} ~port#1 := #in~port#1; {2611#false} is VALID [2022-02-20 16:51:19,717 INFO L272 TraceCheckUtils]: 20: Hoare triple {2611#false} call zf_init_#t~ret220#1 := zf_readw(2bv8); {2611#false} is VALID [2022-02-20 16:51:19,717 INFO L290 TraceCheckUtils]: 19: Hoare triple {2611#false} havoc zf_init_#t~ret219#1; {2611#false} is VALID [2022-02-20 16:51:19,718 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2610#true} {2611#false} #873#return; {2611#false} is VALID [2022-02-20 16:51:19,718 INFO L290 TraceCheckUtils]: 17: Hoare triple {2610#true} assume true; {2610#true} is VALID [2022-02-20 16:51:19,718 INFO L290 TraceCheckUtils]: 16: Hoare triple {2610#true} ~fmt.base, ~fmt.offset := #in~fmt.base, #in~fmt.offset;#res := 0bv32; {2610#true} is VALID [2022-02-20 16:51:19,718 INFO L272 TraceCheckUtils]: 15: Hoare triple {2611#false} call zf_init_#t~ret219#1 := printk(21bv32, 0bv32); {2610#true} is VALID [2022-02-20 16:51:19,718 INFO L290 TraceCheckUtils]: 14: Hoare triple {2611#false} assume { :end_inline_init_kernel } true;assume { :begin_inline_##fun~~TO~C_INT } true;##fun~~TO~C_INT_#in~#fp#1.base, ##fun~~TO~C_INT_#in~#fp#1.offset := ~_ddv_module_init~0.base, ~_ddv_module_init~0.offset;havoc ##fun~~TO~C_INT_#res#1;havoc ##fun~~TO~C_INT_#t~ret777#1;assume { :begin_inline_zf_init } true;havoc zf_init_#res#1;havoc zf_init_#t~ret219#1, zf_init_#t~ret220#1, zf_init_#t~ret221#1, zf_init_#t~ret222#1, zf_init_#t~ret223#1, zf_init_#t~ret224#1.base, zf_init_#t~ret224#1.offset, zf_init_#t~ret225#1, zf_init_#t~ret226#1, zf_init_#t~ret227#1, zf_init_#t~ret228#1, zf_init_~ret~3#1;havoc zf_init_~ret~3#1; {2611#false} is VALID [2022-02-20 16:51:19,718 INFO L290 TraceCheckUtils]: 13: Hoare triple {2611#false} assume !~bvslt32(init_kernel_~i~1#1, 1bv32); {2611#false} is VALID [2022-02-20 16:51:19,719 INFO L290 TraceCheckUtils]: 12: Hoare triple {2611#false} init_kernel_#t~post301#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := ~bvadd32(1bv32, init_kernel_#t~post301#1);havoc init_kernel_#t~post301#1; {2611#false} is VALID [2022-02-20 16:51:19,719 INFO L290 TraceCheckUtils]: 11: Hoare triple {2611#false} assume !!~bvslt32(init_kernel_~i~1#1, 1bv32);call write~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~bvadd32(~#tasklet_registered~0.offset, ~bvmul32(6bv32, init_kernel_~i~1#1)), 4bv32);call write~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~bvadd32(~#tasklet_registered~0.offset, ~bvmul32(6bv32, init_kernel_~i~1#1))), 2bv32); {2611#false} is VALID [2022-02-20 16:51:19,719 INFO L290 TraceCheckUtils]: 10: Hoare triple {2611#false} init_kernel_~i~1#1 := 0bv32; {2611#false} is VALID [2022-02-20 16:51:19,727 INFO L290 TraceCheckUtils]: 9: Hoare triple {2752#(bvslt |ULTIMATE.start_init_kernel_~i~1#1| (_ bv10 32))} assume !~bvslt32(init_kernel_~i~1#1, 10bv32); {2611#false} is VALID [2022-02-20 16:51:19,729 INFO L290 TraceCheckUtils]: 8: Hoare triple {2756#(bvslt (bvadd |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (_ bv10 32))} init_kernel_#t~post300#1 := init_kernel_~i~1#1;init_kernel_~i~1#1 := ~bvadd32(1bv32, init_kernel_#t~post300#1);havoc init_kernel_#t~post300#1; {2752#(bvslt |ULTIMATE.start_init_kernel_~i~1#1| (_ bv10 32))} is VALID [2022-02-20 16:51:19,730 INFO L290 TraceCheckUtils]: 7: Hoare triple {2756#(bvslt (bvadd |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (_ bv10 32))} assume !!~bvslt32(init_kernel_~i~1#1, 10bv32);call write~$Pointer$(0bv32, 0bv32, ~#shared_workqueue~0.base, ~bvadd32(~#shared_workqueue~0.offset, ~bvmul32(4bv32, init_kernel_~i~1#1)), 4bv32); {2756#(bvslt (bvadd |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (_ bv10 32))} is VALID [2022-02-20 16:51:19,730 INFO L290 TraceCheckUtils]: 6: Hoare triple {2610#true} init_kernel_~i~1#1 := 0bv32; {2756#(bvslt (bvadd |ULTIMATE.start_init_kernel_~i~1#1| (_ bv1 32)) (_ bv10 32))} is VALID [2022-02-20 16:51:19,731 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2610#true} {2610#true} #871#return; {2610#true} is VALID [2022-02-20 16:51:19,731 INFO L290 TraceCheckUtils]: 4: Hoare triple {2610#true} assume true; {2610#true} is VALID [2022-02-20 16:51:19,731 INFO L290 TraceCheckUtils]: 3: Hoare triple {2610#true} ~lock.base, ~lock.offset := #in~lock.base, #in~lock.offset;call write~intINTTYPE4(1bv32, ~lock.base, ~lock.offset, 4bv32);call write~intINTTYPE4(0bv32, ~lock.base, ~bvadd32(4bv32, ~lock.offset), 4bv32); {2610#true} is VALID [2022-02-20 16:51:19,731 INFO L272 TraceCheckUtils]: 2: Hoare triple {2610#true} call spin_lock_init(~#kernel_lock~0.base, ~#kernel_lock~0.offset); {2610#true} is VALID [2022-02-20 16:51:19,731 INFO L290 TraceCheckUtils]: 1: Hoare triple {2610#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret231#1;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;assume { :begin_inline_call_ddv } true;havoc call_ddv_#res#1;havoc call_ddv_#t~ret304#1, call_ddv_~err~0#1;havoc call_ddv_~err~0#1;~current_execution_context~0 := 1bv32;assume { :begin_inline_init_kernel } true;havoc init_kernel_#t~post300#1, init_kernel_#t~post301#1, init_kernel_~i~1#1;havoc init_kernel_~i~1#1; {2610#true} is VALID [2022-02-20 16:51:19,731 INFO L290 TraceCheckUtils]: 0: Hoare triple {2610#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(18bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);call #Ultimate.allocInit(34bv32, 4bv32);call #Ultimate.allocInit(44bv32, 5bv32);call #Ultimate.allocInit(31bv32, 6bv32);call #Ultimate.allocInit(4bv32, 7bv32);call write~init~intINTTYPE1(71bv8, 7bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(80bv8, 7bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(76bv8, 7bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 7bv32, 3bv32, 1bv32);call #Ultimate.allocInit(75bv32, 8bv32);call #Ultimate.allocInit(18bv32, 9bv32);call #Ultimate.allocInit(73bv32, 10bv32);call #Ultimate.allocInit(44bv32, 11bv32);call #Ultimate.allocInit(43bv32, 12bv32);call #Ultimate.allocInit(39bv32, 13bv32);call #Ultimate.allocInit(69bv32, 14bv32);call #Ultimate.allocInit(9bv32, 15bv32);call #Ultimate.allocInit(6bv32, 16bv32);call write~init~intINTTYPE1(82bv8, 16bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 16bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(83bv8, 16bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(69bv8, 16bv32, 3bv32, 1bv32);call write~init~intINTTYPE1(84bv8, 16bv32, 4bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 16bv32, 5bv32, 1bv32);call #Ultimate.allocInit(4bv32, 17bv32);call write~init~intINTTYPE1(83bv8, 17bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 17bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 17bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 17bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 18bv32);call write~init~intINTTYPE1(78bv8, 18bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(77bv8, 18bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 18bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 18bv32, 3bv32, 1bv32);call #Ultimate.allocInit(4bv32, 19bv32);call write~init~intINTTYPE1(83bv8, 19bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(67bv8, 19bv32, 1bv32, 1bv32);call write~init~intINTTYPE1(73bv8, 19bv32, 2bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 19bv32, 3bv32, 1bv32);call #Ultimate.allocInit(40bv32, 20bv32);call #Ultimate.allocInit(58bv32, 21bv32);call #Ultimate.allocInit(31bv32, 22bv32);call #Ultimate.allocInit(36bv32, 23bv32);call #Ultimate.allocInit(14bv32, 24bv32);call #Ultimate.allocInit(35bv32, 25bv32);call #Ultimate.allocInit(44bv32, 26bv32);call #Ultimate.allocInit(22bv32, 27bv32);call #Ultimate.allocInit(22bv32, 28bv32);call #Ultimate.allocInit(22bv32, 29bv32);call #Ultimate.allocInit(22bv32, 30bv32);call #Ultimate.allocInit(22bv32, 31bv32);call #Ultimate.allocInit(22bv32, 32bv32);call #Ultimate.allocInit(22bv32, 33bv32);call #Ultimate.allocInit(22bv32, 34bv32);call #Ultimate.allocInit(22bv32, 35bv32);call #Ultimate.allocInit(22bv32, 36bv32);call #Ultimate.allocInit(22bv32, 37bv32);call #Ultimate.allocInit(22bv32, 38bv32);~current_execution_context~0 := 0bv32;~_ddv_module_init~0.base, ~_ddv_module_init~0.offset := 0bv32, 0bv32;~_ddv_module_exit~0.base, ~_ddv_module_exit~0.offset := 0bv32, 0bv32;~jiffies~0 := 0bv32;~_ddv_module_author~0 := ~const~array~~LB~bv32~RB~bv8();~_ddv_module_description~0 := ~const~array~~LB~bv32~RB~bv8();~_ddv_module_license~0 := ~_ddv_module_license~0[0bv32 := 71bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[1bv32 := 80bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[2bv32 := 76bv8];~_ddv_module_license~0 := ~_ddv_module_license~0[3bv32 := 0bv8];~nowayout~0 := 0bv32;~_ddv_module_param_nowayout~0 := ~const~array~~LB~bv32~RB~bv8();~#zf_info~0.base, ~#zf_info~0.offset := 39bv32, 0bv32;call #Ultimate.allocInit(40bv32, 39bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#zf_info~0.base);call write~unchecked~intINTTYPE4(33024bv32, ~#zf_info~0.base, ~#zf_info~0.offset, 4bv32);call write~unchecked~intINTTYPE4(1bv32, ~#zf_info~0.base, ~bvadd32(4bv32, ~#zf_info~0.offset), 4bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(8bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(9bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(10bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(11bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(12bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(13bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(14bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(15bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(16bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(17bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(18bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(19bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(20bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(21bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(22bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(23bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(24bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(25bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(26bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(27bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(28bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(29bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(30bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(31bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(32bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(33bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(34bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(35bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(36bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(37bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(38bv32, ~#zf_info~0.offset), 1bv32);call write~init~intINTTYPE1(0bv8, ~#zf_info~0.base, ~bvadd32(39bv32, ~#zf_info~0.offset), 1bv32);~action~0 := 0bv32;~_ddv_module_param_action~0 := ~const~array~~LB~bv32~RB~bv8();~zf_action~0 := 2048bv32;~#zf_is_open~0.base, ~#zf_is_open~0.offset := 40bv32, 0bv32;call #Ultimate.allocInit(4bv32, 40bv32);call write~init~intINTTYPE4(0bv32, ~#zf_is_open~0.base, ~#zf_is_open~0.offset, 4bv32);~zf_expect_close~0 := 0bv8;~#zf_lock~0.base, ~#zf_lock~0.offset := 41bv32, 0bv32;call #Ultimate.allocInit(8bv32, 41bv32);call write~init~intINTTYPE4(0bv32, ~#zf_lock~0.base, ~#zf_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_lock~0.base, ~bvadd32(4bv32, ~#zf_lock~0.offset), 4bv32);~#zf_port_lock~0.base, ~#zf_port_lock~0.offset := 42bv32, 0bv32;call #Ultimate.allocInit(8bv32, 42bv32);call write~init~intINTTYPE4(0bv32, ~#zf_port_lock~0.base, ~#zf_port_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_port_lock~0.base, ~bvadd32(4bv32, ~#zf_port_lock~0.offset), 4bv32);~#zf_timer~0.base, ~#zf_timer~0.offset := 43bv32, 0bv32;call #Ultimate.allocInit(16bv32, 43bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~#zf_timer~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_timer~0.base, ~bvadd32(4bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_timer~0.base, ~bvadd32(8bv32, ~#zf_timer~0.offset), 4bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(12bv32, ~#zf_timer~0.offset), 2bv32);call write~init~intINTTYPE2(0bv16, ~#zf_timer~0.base, ~bvadd32(14bv32, ~#zf_timer~0.offset), 2bv32);~next_heartbeat~0 := 0bv32;~#zf_fops~0.base, ~#zf_fops~0.offset := 44bv32, 0bv32;call #Ultimate.allocInit(100bv32, 44bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#zf_fops~0.base);call write~unchecked~$Pointer$(0bv32, 0bv32, ~#zf_fops~0.base, ~#zf_fops~0.offset, 4bv32);call write~unchecked~$Pointer$(#funAddr~no_llseek.base, #funAddr~no_llseek.offset, ~#zf_fops~0.base, ~bvadd32(4bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_write.base, #funAddr~zf_write.offset, ~#zf_fops~0.base, ~bvadd32(12bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_ioctl.base, #funAddr~zf_ioctl.offset, ~#zf_fops~0.base, ~bvadd32(24bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_open.base, #funAddr~zf_open.offset, ~#zf_fops~0.base, ~bvadd32(40bv32, ~#zf_fops~0.offset), 4bv32);call write~unchecked~$Pointer$(#funAddr~zf_close.base, #funAddr~zf_close.offset, ~#zf_fops~0.base, ~bvadd32(48bv32, ~#zf_fops~0.offset), 4bv32);~#zf_miscdev~0.base, ~#zf_miscdev~0.offset := 45bv32, 0bv32;call #Ultimate.allocInit(12bv32, 45bv32);call write~init~intINTTYPE4(130bv32, ~#zf_miscdev~0.base, ~#zf_miscdev~0.offset, 4bv32);call write~init~$Pointer$(15bv32, 0bv32, ~#zf_miscdev~0.base, ~bvadd32(4bv32, ~#zf_miscdev~0.offset), 4bv32);call write~init~$Pointer$(~#zf_fops~0.base, ~#zf_fops~0.offset, ~#zf_miscdev~0.base, ~bvadd32(8bv32, ~#zf_miscdev~0.offset), 4bv32);~#zf_notifier~0.base, ~#zf_notifier~0.offset := 46bv32, 0bv32;call #Ultimate.allocInit(12bv32, 46bv32);call write~init~$Pointer$(#funAddr~zf_notify_sys.base, #funAddr~zf_notify_sys.offset, ~#zf_notifier~0.base, ~#zf_notifier~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#zf_notifier~0.base, ~bvadd32(4bv32, ~#zf_notifier~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#zf_notifier~0.base, ~bvadd32(8bv32, ~#zf_notifier~0.offset), 4bv32);~_ddv_tmp_init~0.base, ~_ddv_tmp_init~0.offset := #funAddr~zf_init.base, #funAddr~zf_init.offset;~_ddv_tmp_exit~0.base, ~_ddv_tmp_exit~0.offset := #funAddr~zf_exit.base, #funAddr~zf_exit.offset;~#fixed_cdev~0.base, ~#fixed_cdev~0.offset := 47bv32, 0bv32;call #Ultimate.allocInit(16bv32, 47bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~#fixed_cdev~0.offset, 4bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#fixed_cdev~0.base, ~bvadd32(4bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(8bv32, ~#fixed_cdev~0.offset), 4bv32);call write~init~intINTTYPE4(0bv32, ~#fixed_cdev~0.base, ~bvadd32(12bv32, ~#fixed_cdev~0.offset), 4bv32);~fixed_cdev_used~0 := 0bv32;~number_cdev_registered~0 := 0bv16;~#cdev_registered~0.base, ~#cdev_registered~0.offset := 48bv32, 0bv32;call #Ultimate.allocInit(64bv32, 48bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#cdev_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#cdev_registered~0.base);~number_genhd_registered~0 := 0bv16;~number_fixed_genhd_used~0 := 0bv16;~#fixed_gendisk~0.base, ~#fixed_gendisk~0.offset := 49bv32, 0bv32;call #Ultimate.allocInit(1280bv32, 49bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_gendisk~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_gendisk~0.base);~#genhd_registered~0.base, ~#genhd_registered~0.offset := 50bv32, 0bv32;call #Ultimate.allocInit(1460bv32, 50bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#genhd_registered~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#genhd_registered~0.base);~#registered_pci_driver~0.base, ~#registered_pci_driver~0.offset := 51bv32, 0bv32;call #Ultimate.allocInit(236bv32, 51bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_pci_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#registered_pci_driver~0.base);~#registered_irq~0.base, ~#registered_irq~0.offset := 52bv32, 0bv32;call #Ultimate.allocInit(128bv32, 52bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#registered_irq~0.base);~number_tasklet_registered~0 := 0bv16;~#tasklet_registered~0.base, ~#tasklet_registered~0.offset := 53bv32, 0bv32;call #Ultimate.allocInit(6bv32, 53bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#tasklet_registered~0.base, ~#tasklet_registered~0.offset, 4bv32);call write~init~intINTTYPE2(0bv16, ~#tasklet_registered~0.base, ~bvadd32(4bv32, ~#tasklet_registered~0.offset), 2bv32);~number_timer_registered~0 := 0bv16;~#timer_registered~0.base, ~#timer_registered~0.offset := 54bv32, 0bv32;call #Ultimate.allocInit(4bv32, 54bv32);call write~init~$Pointer$(0bv32, 0bv32, ~#timer_registered~0.base, ~#timer_registered~0.offset, 4bv32);~#shared_workqueue~0.base, ~#shared_workqueue~0.offset := 55bv32, 0bv32;call #Ultimate.allocInit(40bv32, 55bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#shared_workqueue~0.base);~#kernel_lock~0.base, ~#kernel_lock~0.offset := 56bv32, 0bv32;call #Ultimate.allocInit(8bv32, 56bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~#kernel_lock~0.offset, 4bv32);call write~init~intINTTYPE4(0bv32, ~#kernel_lock~0.base, ~bvadd32(4bv32, ~#kernel_lock~0.offset), 4bv32);~#fixed_request_queue~0.base, ~#fixed_request_queue~0.offset := 57bv32, 0bv32;call #Ultimate.allocInit(460bv32, 57bv32);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#fixed_request_queue~0.base);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#fixed_request_queue~0.base);~number_request_queue_used~0 := 0bv32;~proc_root_driver~0.base, ~proc_root_driver~0.offset := 0bv32, 0bv32;~#global_tty_driver~0.base, ~#global_tty_driver~0.offset := 58bv32, 0bv32;call #Ultimate.allocInit(200bv32, 58bv32);#memory_$Pointer$.base, #memory_$Pointer$.offset := ~initToZeroAtPointerBaseAddress~$Pointer$.base(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base), ~initToZeroAtPointerBaseAddress~$Pointer$.offset(#memory_$Pointer$.base, #memory_$Pointer$.offset, ~#global_tty_driver~0.base);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#global_tty_driver~0.base);~ddv_ioport_request_start~0 := 0bv32;~ddv_ioport_request_len~0 := 0bv32; {2610#true} is VALID [2022-02-20 16:51:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:51:19,734 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:51:19,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588432181] [2022-02-20 16:51:19,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588432181] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:51:19,735 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:51:19,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-02-20 16:51:19,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410633405] [2022-02-20 16:51:19,735 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:51:19,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 16:51:19,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:51:19,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 16:51:19,788 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:51:19,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 16:51:19,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:51:19,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 16:51:19,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:51:19,789 INFO L87 Difference]: Start difference. First operand 350 states and 482 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)